Silicone Rubber

General properties

  • Product Grade
  • Product Grade (cont.)
  • Product Grade (cont.)
  • Product Grade (cont.)

Classification For general purpose, FDA (21CFR177 2600), BR JIS B2401 4-C
Grade KE-931-U KE-941-U KE-951-U KE-961-U KE-971-U KE-981-U KE-961T-U KE-971T-U KE-871C-U
Appearance   Milky white translucent Grayish white Miky white translucent Grayish white
Density 23℃                              g/cm³ 1.07 1.11 1.14 1.22 1.3 1.42 1.17 1.2 1.29
Williams plasticity (10 min after remix) 160 190 240 280 330 420 280 340 260
Curing agent Curing agent name C-8 C-8 C-8 C-8 C-8 C-8 C-8A C-8 C-8
Standard addition quantity*¹ 2.0 2.0 2.0 2.0 2.0 2.0 0.5 2.0 2.0
Linear shrinkage*²                             % 4.0 3.9 3.9 3.4 3.0 2.7 3.6 3.4 2.9
Physical strength Hardness Durometer           A 31 43 52 63 71 84 62 71 72
Tensile strength             MPa 4.7 6.5 8.2 7.3 7.5 8.8 9.7 8.8 6.9
Elongation at break            % 480 370 330 320 220 100 310 260 190
Tear strength crescent piece               kN/m 15*³ 15*³ 23*³ 20*³ 20*³ 8 25*³ 25*³ 9
Compression set 180℃ x 22                h 15 11*4 11*4 11*4 9*4 12*4 11*4 11*4 10
Dielectric breakdown strength Normal state                       kV 23 24 25 25 24 24 23
Volume resistivity Normal state                           TΩ.m 7 8 6 3 4 4 4

Classification Dynamic fatigue durability Vibration control For power connector JIS B2401 4-C
Grade KE-9551-U KE-5151-U KE-5550-U KE-501EM-U KE-7211-U KE-7212-U KE-7213-U X-30-3893-U KE-9590-U
Appearance Milky white translucent   Pale yellow Milky white translucent Light gray Gray Blue-white Black Milky white translucent
Density 23℃                g/cm³ 1.12 1.1 1.25 1.10 1.15 1.20 1.97 1.09 1.15
Williams plasticity (10 min after remix) 200 170 370 170 220 250 190 290 220
Curing agent Curing agent name C-8A C-8B C-8 C-15 C-3 C-3 C-8 C-8A C-8
Standard addition quantity*¹ 0.6 1.0 2.0 1.5 1.3 1.3 2.0 1.0 2.0
Linear shrinkage*²                 % 3.3 3.9 5.2 3.9 3.9
Physical strength Hardness Durometer           A 50 54 52 53 54 58 45 40 51
Tensile strength             MPa 6.6 7.7 9.3 7.7 11.0 9.2 2.5 7.4 8.8
Elongation at break            % 310 450 730 520 780 680 320 680 400
Tear strength crescent piece        kN/m 6 15 38 19 31 35 8 26 22*³
Compression set 180℃ x 22        h 20 13 22 9 10 17 14*4
Dielectric breakdown strength kV Normal state 28 28 22
Submerged 190 100 0.1 0.4
Remarks Middle fatigue durability High fatigue durability High decrement Low motion magnification Tracking property 3.5 kV Tracking property 4.5 kV High dielectricity Specific resistance 0.2 Ω.M
Measurement: in accordance with JIS K 6249 Test pieces: 160°C x 10 min (press cure), 200°C x 4 h (post cure)
✽1 Standard addition quantity is the quantity of the curing agent added to 100 parts compound
✽2 Linear shrinkage calues differ according to the curing agent used
✽3 Angle piece
✽4 Me asured values at 150°C x 22 h
*A SHORE A.
[Unit conversion] tensile strength: 10 kgf/cm2 = 0.98 Mpa; tear strength: 1 kgf/cm = 0.98 kN/m; volume resistivity: 1014Ω•cm = 1TΩ•cm

Classification For general extrusion molding, FDA, BfR For tubing
Grade KE-541-U*³ KE-551-U*³ KE-561-U*³ KE-571-U*³ KE-581-U*³ KE-153-U KE-174-U KE-1551-U*³ KE-1571-U*³
Appearance Milky white translucent Miky white translucent
Density 23℃                              g/cm³ 1.10 1.14 1.17 1.22 1.24 1.16 1.21 1.16 1.19
Williams plasticity (10 min after remix) 150 200 250 360 430 260 370 270 320
Curing agent Curing agent name C-23N C-25A/B C-23N C-25A/B C-23N C-25A/B C-23N C-25A/B C-23N C-25A/B C-25A/B C-25A/B C-23N C-23N
Standard addition quantity*¹ 1.0 0.5/2.0 1.0 0.5/2.0 1.0 0.5/2.0 1.0 0.5/2.0 1.0 0.5/2.0 0.5/2.0 0.5/2.0 0.8 0.7
Linear shrinkage*²                             %           3.3
Physical strength Hardness Durometer           A 40 40 50 50 63 62 70 68 79 77 53 71 56 74
Tensile strength             MPa 8.0 8.2 10.5 9.8 11.5 11.5 11.0 11.0 10.5 10.5 10.0 8.1 10.5 9.5
Elongation at break            % 550 690 530 590 450 470 430 450 310 430 650 520 530 370
Tear strength crescent piece               kN/m 10 22 13 26 15 24 19 26 13 23 36 37 16 23
Compression set 180℃ x 22                h 12*4 9*5 8*4 9*5 11*4 9*5 13*4 9*5 14*4 9*5 35*5
Dielectric breakdown strength Normal state                       kV 26 25 26 29 26 28 28 25
Volume resistivity Normal state                           TΩ.m 30 70 300 500 700 900 650 600 600

Classification High strength Low hardness, high elongation Flame retardance
Grade KE-555-U* KE-131-U KE-5620W-U
Appearance Pale yellow Milky white translucent White Black Charcoal Charcoal Translucent
Density 23℃                              g/cm³ 1.17 1.21 1.07 1.06 1.13 1.13 1.40 1.38 1.49 1.42 1.20
310 320 150 150 170 180 240 230 230 300 330
Curing agent Curing agent name C-8 C-8 C-8 C-8 C-8A C-15 X-93-1609*6/C-3 C-3 C-3 C-25A/B
Standard addition quantity*¹ 2.0 2.0 2.0 2.0 0.5 1.5 0.1/1.3 1.3 1.3 1.0/2.0
Linear shrinkage*²                             % 4.0 4.0 4.7 4.5 3.8 4.1 3.1 3.2 2.7 2.7 3.4
Physical strength Hardness Durometer           A 53 70 18 23 35 39 59 57 60 57 70
Tensile strength             MPa 11.0 9.4 7.4 5.0 9.7 9.7 6.5 7.0 7.2 7.3 7.7
Elongation at break            % 650 550 1,060 770 880 700 410 430 290 320 370
Tear strength crescent piece               kN/m 35 41 18 10 34 17 12 11 13 10 14
Compression set 180℃ x 22                h 31 18 22 20*5 9*5 21 27 16 22 20
Dielectric breakdown strength Normal state                       kV 27 27 27 28 27 29 19
Volume resistivity Normal state                           TΩ.m 100 200 50 80 240 8 300
Flame retardance UL94*7 V-0 V-0 V-0 V-0 V-1
Measurement: in accordance with JIS K 6249 Test pieces: 165°C x 10 min (press cure), 200°C x 4 h (post cure)
✽1 Standard addition quantity is the quantity of the curing agent added to 100 parts compound
✽2 Linear shrinkage calues differ according to the curing agent used
✽3 Test pieces: 120°C x 10 min (press cure), 200°C 4 h (post cure)
✽4 Measured values at 100°C x 22 h
✽5 Measured values at 150°C x 22 h
✽6 X-93-1609 is a flame retardant
✽7 UL File No.E48923
✽A SHORE A
⋆ Not available in U.S..
[Unit conversion] tensile strength: 10 kgf/cm2 = 0.98 Mpa; tear strength: 1 kgf/cm = 0.98 kN/m; volume resistivity: 1014Ω•cm = 1TΩ•cm

General Purpose for Molding

Description

KCC General purpose extruding silicone rubber products are compounds with Shore A hardness
30, 40, 50, 60 ,70 and 80. They are designed to facilitate mising with extending fillers and additives.
Along with mechanical and electrical properties, these products have excellent process abilities and
transparency. Also, various hardness levels can be made by mixing each grade. Rubber parts are
usually made by an extruding process, and compression molding method is also possible.

Characteristics

• Well Balanced mechanical properties
• Excellent process ability in extruding & molding, etc
• Good rebound resilience
• Passing UL 94 HB test
• Complies with FDA and BfR recommendations for articles in con tact with food

Applications

• General industry articles (seals, profiles, sheets, gaskets)
• Food contact articles (goses, tubing, Kitchenware, packing)
• Electrical articles

  • Product Properties
  • Product Properties (cont.)
  • Product Properties (cont.)

Properties Test method Unit SH0030U SH0040U SH0050U SH0060U SH0070U SH0080U
Appearance ASTM E1767 Translucent Light grey
Williams plasticity ASTM D926 130 160 180 210 240 290
Specific gravity ASTM D792 1.10 1.13 1.15 1.23 1.30 1.44
Hardness ASTM D2240 Shore A 30 40 50 60 70 80
Tensile strength ASTM D412 Mpa 7.5 8.5 9.0 8.0 7.9 7.0
Elongation ASTM D412 % 850 700 500 250 180 120
Tear strength ASTM D624 C N/mm 20 24 20 22 20 16
Resilience ASTM D1054 % 58 63 63 52 49 44
Compression set 22hrs at 175℃ ASTM D395 % 20 18 18 14 14 25
※ Curing agent : KC-8 (2,5-dimethyl 2,5-di(t-butyl peroxy) hexane 45% paste) 0.5 phr
※ Curing condition : 10mins at 170℃ press cure → 4 hours at 200 ℃ hot air.

Properties Test method Unit SH5060U SH5070U SH5180U SH5360U SH5960U
Appearance ASTM E1767 Translucent
Williams plasticity ASTM D926 210 250 300 220 210
Specific gravity ASTM D792 1.18 1.20 1.22 1.18 1.18
Hardness ASTM D2240 Shore A 60 70 80 60 60
Tensile strength ASTM D412 Mpa 8.5 7.7 7.0 8.5 8.5
Elongation ASTM D412 % 400 230 190 350 400
Tear strength ASTM D624 C N/mm 22 24 24 25 26
Resilience ASTM D1054 % 58 57 50 59 62
Compression set 22hrs at 175℃ ASTM D395 % 16 17 15 16 19

Properties Test method Unit SH830U SH840U SH850U SH5860U
Appearance ASTM E1767 Translucent
Williams plasticity ASTM D926 130 160 190 210
Specific gravity ASTM D792 1.10 1.13 1.16 1.17
Hardness ASTM D2240 Shore A 30 40 50 60
Tensile strength ASTM D412 Mpa 8.3 7.3 7.5 7.6
Elongation ASTM D412 % 680 550 360 210
Tear strength ASTM D624 C N/mm 18 20 22 19
Resilience ASTM D1054 % 56 61 62 70
Compression set 22hrs at 175℃ ASTM D395 % 25 19 18 12
※ Curing agent : KC-8 (2,5-dimethyl 2,5-di(t-butyl peroxy) hexane 45% paste) 0.5 phr
※ Curing condition : 10mins at 170℃ press cure → 4 hours at 200 ℃ hot air.

General Purpose for Extruding

Description

KCC General purpose extruding silicone rubber products are compounds with Shore A hardness
30, 40, 50, 60 ,70 and 80. They are designed to facilitate mising with extending fillers and additives.
Along with mechanical and electrical properties, these products have excellent process abilities and
transparency. Also, various hardness levels can be made by mixing each grade. Rubber parts are
usually made by an extruding process, and compression molding method is also possible.

Characteristics

• Excellent mechanial and electrical properties
• Excellent process ability in extruding & molding, etc
• Good transparency
• Good heat resistance when stabilized with SH0008B additive
• Complies with FDA and BfR recommendations for articles in con tact with food

Applications

• General industry articles (seals, profiles, sheets, gaskets)
• Food contact articles (goses, tubing, Kitchenware, packing)
• Electrical articles

  • Product Properties
  • Product Properties (cont.)

Properties Test method Unit SH1021U SH1032U SH1040U SH1041U SH1050U
Appearance ASTM E1767 Transparent
Williams plasticity ASTM D926 150 150 150 160 180
Specific gravity ASTM D792 1.09 1.10 1.11 1.12 1.13
Hardness ASTM D2240 Shore A 33 38 42 45 52
Tensile strength ASTM D412 Mpa 7.0 6.8 7.0 8.0 8.5
Elongation ASTM D412 % 610 550 500 550 450
Tear strength ASTM D624 C N/mm 15 20 20 23 24
Resilience ASTM D1054 % 13 10 10 14 13
Compression set 22hrs at 175℃ ASTM D395 % 85 55 60 60 43
Volume resistivity ASTM D257 Ω.cm 1.6X10(16) 1.7X10(16) 1.7X10(16) 2.7X10(16) 2.1X10(15)
Dielectric strength ASTM D149 kV/mm 24 25 23 22 22
※ Curing agent : KC-8 (2,5-dimethyl 2,5-di(t-butyl peroxy) hexane 45% paste) 0.5 phr
※ Curing condition : 10mins at 170℃ press cure → 4 hours at 200 ℃ hot air.

Properties Test method Unit SH1060U SH1061U SH1070U SH1072U SH1073U SH1080U
Appearance ASTM E1767 Transparent
Williams plasticity ASTM D926 220 210 275 270 270 300
Specific gravity ASTM D792 1.16 1.16 1.19 1.18 1.19 1.2
Hardness ASTM D2240 Shore A 62 62 72 72 72 82
Tensile strength ASTM D412 Mpa 9.5 9.5 9.5 10.0 9.5 9.0
Elongation ASTM D412 % 350 250 300 300 420 160
Tear strength ASTM D624 C N/mm 25 27 25 29 28 25
Resilience ASTM D1054 % 15 15 18 15 25 10
Compression set 22hrs at 175℃ ASTM D395 % 35 35 45 33 60 30
Volume resistivity ASTM D257 Ω.cm 1.6X10(15) 44X10(16) 3.8X10(15) 4.0X10(16) 1.0X10(15) 7.1X10(14)
Dielectric strength ASTM D149 kV/mm 27 28 26 27 28 22
※ Curing agent : KC-8 (2,5-dimethyl 2,5-di(t-butyl peroxy) hexane 45% paste) 0.5 phr
※ Curing condition : 10mins at 170℃ press cure → 4 hours at 200 ℃ hot air.

Low Hardness HTV

Description

These products have a low hardness (Shore A hardness 9 ~ 20) in the cured state.
They can be used in silicone rubber products such as sporting goods and medical articles that
require a soft feel

Characteristics

• Low Shore A hardness and high elastic elongation property
• Excellent process ability in molding & injection
• Complies with FDA and BfR recommendations for articles in con tact with food

Applications

• Swimming goods (swimming caps, goggle bands)
• Baby care articles (playthings, covers)
• Highly elastic articles (strip, tape)

Properties Test method Unit SH0005U SH1020U SH0010U SH0020U
Appearance ASTM E1767 Transparent Translucent
Williams plasticity ASTM D926 125 105 90 100
Specific gravity ASTM D792 1.03 1.08 1.06 1.08
Hardness ASTM D2240 Shore A 9 23 10 22
Tensile strength ASTM D412 Mpa 2.3 4.0 4.0 5.5
Elongation ASTM D412 % 950 970 950 1,000
Tear strength ASTM D624 C N/mm 7 15 9 13
Compression set 22hrs at 175℃ ASTM D395 % 55 65 26 18
※ Curing agent : KC-8 (2,5-dimethyl 2,5-di(t-butyl peroxy) hexane 45% paste) 0.5 phr
※ Curing condition : 10mins at 170℃ press cure → 4 hours at 200 ℃ hot air.

High Hardness HTV

Description

This series consist of high hardness silicone rubber compounds which have hardness 90 (Shoe A)
in the cured state. These harder grades can be used to adjust t he hardness of other grades,
and they also have their own applications

Characteristics

• Super high Shore A hardness 90
• High Williams plasticity and high green strength
• Complies with FDA and BfR recommendations for articles in con tact with food

Applications

• General industry articles (Key top of keypads, special rollers)
• Fiid contact articles (Kitchenware, bottles)

Properties Test method Unit SH5190U SH1090U
Appearance ASTM E1767 Translucent Transparent
Williams plasticity ASTM D926 300 340
Specific gravity ASTM D792 1.25 1.23
Hardness ASTM D2240 Shore A 90 90
Tensile strength ASTM D412 Mpa 8.5 9.5
Elongation ASTM D412 % 50 150
Tear strength ASTM D624 C N/mm 16 24
Compression set 22hrs at 175℃ ASTM D395 % 20 19
※ Curing agent : KC-8 (2,5-dimethyl 2,5-di(t-butyl peroxy) hexane 45% paste) 0.5 phr
※ Curing condition : 10mins at 170℃ press cure → 4 hours at 200 ℃ hot air.

High Tear Strength HTV

Description

These products have excellent mechanical properties including high tear strength and they are used for applications such as parts with complicated shapes, large molded parts, etc.
SH7340U and SH7255U show good heat stability by themselves, SH7060U and SH7070U
show good heat stability with additives SH0008B.

Characteristics

• High tear strength & high tensile strength
• Excellent process ability in molding & extruding, etc
• Good heat resistance (SH7340U and SH7255U)
• Complies with FDA and BfR recommendations for articles in con tact with food (SH7060U and SH7070U)

Applications

• General industry parts (Rubber labels textile, Spin-casting, sheets, gaskets)
• High mechanical rubber articles
• Automotive articles (Muffler hanger)

Properties Test method Unit SH7340U SH7255U SH7060U SH7070U
Appearance ASTM E1767 Transparent
Williams plasticity ASTM D926 150 215 200 240
Specific gravity ASTM D792 1.12 1.16 1.16 1.18
Hardness ASTM D2240 Shore A 40 60 60 70
Tensile strength ASTM D412 Mpa 8.3 10.3 9.5 9.0
Elongation ASTM D412 % 980 850 800 700
Tear strength ASTM D624 C N/mm 45 45 40 42
Resilience ASTM D1054 % 37 39 36 39
Compression set 22hrs at 175℃ ASTM D395 % 24 29 26 28
Property change after heat aging 72 hours at 220℃
Hardness ASTM D573 -2 2 6 5
Tensile strength % -28 -19 -33 -28
Elongation % -25 -23 -38 -36
※ Curing agent : KC-8 (2,5-dimethyl 2,5-di(t-butyl peroxy) hexane 45% paste) 0.5 phr
※ Curing condition : 10mins at 170℃ press cure → 4 hours at 200 ℃ hot air.

Low Compression Set HTV

Description

These products are designed to have excellent compression sets without post curings.

Characteristics

• Low compression set without post cure.

Applications

• General industry articles
(OA roller, packing, gasket, sheet, seal, O-ring)

Properties Test method Unit SH2533U SH2540U SH2580U
Appearance ASTM E1767 Translucent Light yellow Beige
Williams plasticity ASTM D926 110 140 250
Specific gravity ASTM D792 1.04 1.10 1.43
Hardness ASTM D2240 Shore A 33 40 80
Tensile strength ASTM D412 Mpa 1.8 7.0 7.5
Elongation ASTM D412 % 260 550 100
Tear strength ASTM D624 C N/mm 9 23 18
Resilience ASTM D1054 % 85 67 53
Compression set 22hrs at 175℃ ASTM D395 % 7 13 10
Property change after heat aging 72 hours at 220℃
Hardness ASTM D573 -10 -5 5
Tensile strength % -32 -20 -30
Elongation % 5 5 -50
※ Curing agent : KC-8 (2,5-dimethyl 2,5-di(t-butyl peroxy) hexane 45% paste) 1.0 phr
※ Curing condition :
- SH2533U : 10mins at 170℃ press cure → 4 hours at 200 ℃ hot air.
- SH2540U, SH2580U : 10mins t 170℃ press cure

Steam Resistant HTV

Description

These products are used fir various parts requiring steam-, heat-, and oil-resistance as well as excellent mechanical properties under both high temperature.
The Shore A hardness ranges from 50 to 70.

Characteristics

• Steam & heat resistance properties
• Low compression set
• Excellent process ability

Applications

• Packing (steam rice cooker, steam iron, jar pot, autoclave, etc)
• Other industry articles (O-ring, gasket, valves)

Properties Test method Unit SH6050U SH6060U SH6070U
Appearance ASTM E1767 Light yellow
Williams plasticity ASTM D926 170 220 210
Specific gravity ASTM D792 1.13 1.15 1.17
Hardness ASTM D2240 Shore A 50 60 70
Tensile strength ASTM D412 Mpa 8 9.0 7.0
Elongation ASTM D412 % 500 530 120
Tear strength ASTM D624 C N/mm 23 27 20
Compression set 22hrs at 175℃ ASTM D395 % 10 13 6
Property change after heat aging 72 hours at 220℃
Hardness ASTM D573 1 1 -1
Tensile strength % -7 -24 -33
Elongation % -29 -35 -23
Property change after heat aging 168 hours at 3 bars, 130℃
Hardness ASTM D471 2 4 -1
Tensile strength % -2 -2 -8
Elongation % -13 -14 -1
Volume % -1 -1 -1
※ Curing agent : KC-8 (2,5-dimethyl 2,5-di(t-butyl peroxy) hexane 45% paste) 0.5 phr
※ Curing condition : 10mins at 170℃ press cure → 4 hours at 200 ℃ hot air.

Electrically Conductive HTV

Description

The electrically conductive series are heat cured compounds for press molding, extrusion and
calendaring. The Shore A hardness ranges from 60 to 80.

Characteristics

• Steam & heat resistance properties
• Low compression set
• Excellent process ability

Applications

• Packing (steam rice cooker, steam iron, jar pot, autoclave, e tc)
• Other industry articles (O-ring, gasket, valves)

Properties Test method Unit SH6540U SH6560U SH6570U SH6580U
Appearance ASTM E1767 Black
Williams plasticity ASTM D926 200 580 730 800
Specific gravity ASTM D792 1.08 1.17 1.19 1.21
Hardness ASTM D2240 Shore A 36 60 70 80
Tensile strength ASTM D412 Mpa 4.5 6.7 6.5 7.0
Elongation ASTM D412 % 700 380 180 90
Tear strength ASTM D624 C N/mm 15 21 15 14
Volume resistivity ASTM D991 Ω.cm 45 9.0 5.0 3.0
※ Curing agent : KC-8 (2,5-dimethyl 2,5-di(t-butyl peroxy) hexane 45% paste) 2.0 phr
※ Curing condition : 10mins at 170℃ press cure → 4 hours at 200 ℃ hot air.

Thermally Conductive HTV

Description

The cured product is flame retardant (UL 94 V-0) and thermal conductive (~ 1.0 W/m.K).
Therefore it is used in electronic appliances to remove heat from devices.

Characteristics

• High thermal conductivity
• High heat resisant and flame retardant
• Excellent process ability in molding & extruding, etc

Applications

• Thermal conductive articles for electric devices (Heat spread pad, sheet, cap)

Properties Test method Unit SH6280U
Appearance ASTM E1767 Dark grey
Williams plasticity ASTM D926 290
Specific gravity ASTM D792 2.17
Hardness ASTM D2240 Shore A 80
Tensile strength ASTM D412 Mpa 4.0
Elongation ASTM D412 % 85
Tear strength ASTM D624 C N/mm 9
Volume resistivity ASTM D257 Ω.cm 3.0X10(14)
Dielectric strength ASTM D149 KV/mm 26
Thermal conductivity ASTM D5470 W/m.k 1.0
Property change after heat aging 72 hours at 250℃
Hardness ASTM D573 1
Tensile strength % -10
Elongation % -13
※ Curing agent : KC-8 (2,5-dimethyl 2,5-di(t-butyl peroxy) hexane 45% paste) 2.0 phr
※ Curing condition : 10mins at 170℃ press cure → 4 hours at 200 ℃ hot air.

Flame Retardant HTV

Description

These products are flame retardant grades (UL 94 V-0) respectively.
(UL file NO : QMFZ8.E253047)

Characteristics

• Flame retardant level (UL 94 V-0)
• Excellent process ability in molding & extruding, etc
• Good mechanical and electrical properties

Applications

• Electronic articles (High voltage cap, Back light holder, spe cial wide)
• Construction articles (fire-proof gasket)

Properties Test method Unit SH1520U SH1550U SH1572U
Appearance ASTM E1767 Dark grey White
Williams plasticity ASTM D926 200 200 220
Specific gravity ASTM D792 1.44 1.42 1.48
Hardness ASTM D2240 Shore A 60 55 70
Tensile strength ASTM D412 Mpa 7.8 8.7 6.3
Elongation ASTM D412 % 320 450 160
Tear strength ASTM D624 C N/mm 23 23 16
Volume resistivity ASTM D257 Ω.cm 9.0X10(15) 3.0X10(16) 3.4X10(15)
Dielectric strength ASTM D149 KV/mm 24 26 24
Flame retardancy UL 94 V-0 V-0 V-0
※ Curing agent : KC-8 (2,5-dimethyl 2,5-di(t-butyl peroxy) hexane 45% paste) 2.0 phr
※ Curing condition : 10mins at 170℃ press cure → 4 hours at 200 ℃ hot air.

Wire & Cable HTV

Description

These products are wire & cable extrusion grade with Shore A ha rdness of 60 and 70.
They have excellent extrusion properties.

Characteristics

• Excellent temperature stability
• Excellent process ability in extrding
• Good mechanical and electrical properties

Applications

• Wire & cables (general / thermo stable / high dielectric appl iances)
• Glass & ceramic packing

Properties Test method Unit SH1160U SH1170U SH1270U SH1775U SH1370U
Appearance ASTM E1767 White Belge White Light grey Light yellow
Williams plasticity ASTM D926 200 200 230 210 240
Specific gravity ASTM D792 1.40 1.40 1.33 1.29 1.20
Hardness ASTM D2240 Shore A 60 70 70 65 70
Tensile strength ASTM D412 Mpa 7.5 7.5 8.0 7.5 9.0
Elongation ASTM D412 % 330 200 250 200 260
Tear strength ASTM D624 C N/mm 23 18 24 17 23
Volume resistivity ASTM D257 Ω.cm 2.0X10(15) 1.0X10(15) 1.3X10(16) 8.5X10(14) 1.5X10(16)
Dielectric strength ASTM D149 KV/mm 27 28 30 24 30
Property change after heat aging as below condition
Hardness change ASTM D573 1 1 7 -3 2
Tensile strength ASTM D573 1 1 7 -3 2
Elongation change % -13 -15 -30 -31 -30
Elongation % -7 -6 -45 -38 -40
※ Curing agent : KC-8 (2,5-dimethyl 2,5-di(t-butyl peroxy) hexane 45% paste) 2.0 phr
※ Curing condition : 10mins at 170℃ press cure → 4 hours at 200 ℃ hot air.

HTV for High Voltage Insulator

Description

This product is a molding compound for high colyagr insulating applications.
It is already mised with a peroxide catalyst.

Characteristics

• Excellent tracking & erosion resistance
• Excellent resistance to weathering and UV
• Excellent electrical insulation properties
• Superior water repellency
• Excellent process ability in injection molding

Applications

• High voltage insulators, cable terminations and connectors
• Surge arrestors, suspension insulators

Properties Test method Unit SH4001Z SH4001ZNC133
Appearance ASTM E1767 Dark grey Grey
Williams plasticity ASTM D926 200 200
Specific gravity ASTM D792 1.55 1.55
Hardness ASTM D2240 Shore A 65 65
Tensile strength ASTM D412 Mpa 3.8 3.8
Elongation ASTM D412 % 220 280
Tear strength ASTM D624 C N/mm 16 15
Volume resistivity ASTM D257 Ω.cm 2.3X10(13) 2.2X10(13)
Dielectric strength ASTM D149 KV/mm 26 26
Dielectric constant at 1 MHz ASTM D150 3.8 3.8
Dissipation factor at 1MHz ASTM D150 0.01 0.01
Tracking resistance IEC 60587 kV 4.5 4.5
※ They are already mixed curing agent
: KC-8 (2,5-dimethyl 2,5-di(t-butyl peroxy) hexane 45% paste) 1.0 phr
※ Curing condition : 10mins at 170℃ press cure

Oil Bleed HTV

Description

These products release a lubricating oil to the surface elastomer article after curing.
This allows easy assembly and waterproof properties. They can be used by various processing
methods such as injection, transfer molding and calendaring.

Characteristics

• Good heat and oil resistance properties
• Excellent process ability in injection, transfer molding
• Good mechanical properties

Applications

• Automotive articles (Wire harness connectors, grommets, singl e wire gaskets, flat gaskets)
• Industry articles (O-ring, oil seals)

Properties Test method Unit SH9030U SH9035U SH9040U SH9050U SH9060U
Appearance ASTM E1767 Milky White Beige
Williams plasticity ASTM D926 150 175 175 170 210
Specific gravity ASTM D792 1.13 1.15 1.15 1.16 1.22
Hardness ASTM D2240 Shore A 30 32 40 50 60
Tensile strength ASTM D412 Mpa 8.5 9.5 8.5 8.5 8.0
Elongation ASTM D412 % 510 630 440 400 330
Tear strength ASTM D624 C N/mm 19 21 22 23 22
Compression set 22hrs at 175℃ ASTM D395 W/m.k 24 25 26 13 10.0
Property change after heat aging 72 hours at 220℃
Hardness ASTM D573 -2 -3 -1 2 5
Tensile strength % -5 -20 -14 -7 -12
Elongation % -7 -20 -13 -15 -24
Property change after IRM 903 oil aging 72 hours at 150℃
Hardness ASTM D471 -19 -14 -20 -16 -24
Tensile strength % -47 -38 -40 -37 -24
Elongation % -20 -16 -15 -30 -13
Volume % 50 38 45 36 35
※ Curing agent : KC-8 (2,5-dimethyl 2,5-di(t-butyl peroxy) hexane 45% paste) 0.5 phr
※ Curing condition : 10mins at 170℃ press cure → 4 hours at 200 ℃ hot air.

High Fatigue Resistant HTV

Description

These products designed for high dynamic articles (keypads, single key domes)

Characteristics

• Excellent dynamic durability
• High rebound resiliency
• Execllent precess ability in molding
• High dispersion
• Low compression set

Applications

• Electronic articles (Dynamic keypad, keyboard ket switch)
• Various industrial uses for high durability

Properties Test method Unit SH9141U SH9151U SH9161U SH918U SH9182U
Appearance ASTM E1767 Transparent
Williams plasticity ASTM D926 150 180 160 300 270
Specific gravity ASTM D792 1.08 1.11 1.11 1.19 1.18
Hardness ASTM D2240 Shore A 40 50 60 80 83
Tensile strength ASTM D412 Mpa 7.0 8.5 8.0 9.5 9.5
Elongation ASTM D412 % 470 420 250 200 200
Tear strength ASTM D624 C N/mm 25 30 25 20 23
Resilience ASTM D1054 % 80 78 75 60 63
Compression set 22hrs at 175℃ ASTM D395 % 12 11 12 13 13
Fatigue resistant degree ASTM D4482 cycle 6,000,000 1,500,000 1,650,000 500,000 1,000,000
For SH9141U, SH9151U and SH9161U
※ Curing agent : KC-8 (2,5-dimethyl 2,5-di(t-butyl peroxy) hexane 45% paste) 0.5 phr
※ Curing condition : 10mins at 170℃ press cure → 4 hours at 200 ℃ hot air.
※ Fatigue resistant test condition : 150% elongation 5 cycle/sec
For SH9181U and SH9182U
※ Curing agent : KC-8 (2,5-dimethyl 2,5-di(t-butyl peroxy) hexane 45% paste) 0.5 phr
※ Curing condition : 10mins at 170℃ press cure → 4 hours at 200 ℃ hot air.
※ Fatigue resistant test condition : 150% elongation 5 cycle/sec