Shin-Etsu Silicone Rubber for Molding Selection Guide

Millable Silicone Rubber (HCR)

Millable Rubber, also known as High Consistency Rubber (HCR), is a solid silicone rubber compound that is mixed with curing agents and molded.

Silicone, whose main components are silicone rubber and high-purity silica, combines inorganic and organic properties and has a variety of features not found in other organic rubbers.

  • Features

  • Appearance

X-30-2873-U

X-30-2873-U

  • Silicone rubber with electric conductivity
  • Good compression set.
  • Applications requiring electrical conductivity such as electrical contacts

KE-1734-U

KE-1734-U

  • Fireproof gaskets, etc. It is flexible and can be extruded.
  • The amount of smoke emitted is very low. It also makes it easier to secure visibility in the event of a fire.
  • When burned, it becomes hard and sintered like ceramic. There is little dimensional change even after sintering.

KE-5643-U (Developed products)

KE-5643-U (Developed products)

  • For flame retardant high voltage electric wires.
  • UL94 V-1 equivalent
  • High dielectric breakdown strength.

KNP-561-U (Developed products)

KNP-561-U (Developed products)

  • Reduction in low-molecular-weight siloxane, no need for post cure
  • Since there is no need for a post curing process, it can improve productivity, reduce costs, and save energy (reduce CO2).
  • For extrusion molding

KNP-551-U (Developed products)

KNP-551-U (Developed products)

  • Reduction in low-molecular-weight siloxane, no need for post cure
  • Since there is no need for a post curing process, it can improve productivity, reduce costs, and save energy (reduce CO2).
  • For extrusion molding

KNP-541-U (Developed products)

KNP-541-U (Developed products)

  • Reduction in low-molecular-weight siloxane, no need for post cure
  • Since there is no need for a post curing process, it can improve productivity, reduce costs, and save energy (reduce CO2).
  • For extrusion molding

KE-5615-U

KE-5615-U

  • For flame retardant electric wires.
  • UL94 V-1
  • High dielectric breakdown strength.

KE-655-U

KE-655-U

  • High dielectric breakdown strength.

KE-1265-U

KE-1265-U

  • For general electric wires.
  • High dielectric breakdown strength.

KE-7211-U

KE-7211-U

  • For power connectors.

KE-7212-U

KE-7212-U

  • For power connectors.

KE-5641-U (Developed products)

KE-5641-U (Developed products)

  • For high voltage electric wires.
  • High dielectric breakdown strength.

KE-871C-U

KE-871C-U

  • Excellent oil resistance and solvent resistance.
  • Peroxide curing
  • JIS B2401 4-C

KE-7140-U

KE-7140-U

  • High strength. Excellent wear resistance.
  • Peroxide curing

KE-7150-U

KE-7150-U

  • High strength. Excellent wear resistance.
  • Peroxide curing

KE-7160-U

KE-7160-U

  • High strength. Excellent wear resistance.
  • Peroxide curing

KE-7170-U

KE-7170-U

  • High strength. Excellent wear resistance.
  • Peroxide curing

KE-7180-U

KE-7180-U

  • High strength. Excellent wear resistance.
  • Peroxide curing

X-30-3856-U

X-30-3856-U

  • Can be bonded to plastics such as polycarbonate and polybutylene terephthalate without a primer.
  • Addition curing
  • Insert molding

X-30-4000-U

X-30-4000-U

  • Can be bonded to plastics such as polycarbonate and polybutylene terephthalate without a primer.
  • Addition curing
  • Insert molding

X-30-4424-U

X-30-4424-U

  • Surface slipperiness. Excellent mold release properties.
  • Addition curing
  • Applications such as weather strips and wearable devices.

X-30-4477-U

X-30-4477-U

  • Surface slipperiness. Excellent mold release properties.
  • Addition curing
  • Applications such as weather strips and wearable devices.

X-30-4427-U

X-30-4427-U

  • Surface slipperiness. Excellent mold release properties.
  • Addition curing
  • Applications such as weather strips and wearable devices.

KE-7711-U

KE-7711-U

  • Excellent steam resistance and chlorine water resistance
  • Excellent rubber properties over a wide temperature range of -55 to 250℃
  • Ideal for rubber gaskets for food such as electric pots and rice cookers.

KE-136Y-U

KE-136Y-U

  • Excellent low temperature properties. It does not become brittle even in the low temperature range of -60℃.
  • High cold resistance

KE-183-U

KE-183-U

  • Excellent low temperature properties. It does not become brittle even in the low temperature range of -100℃.
  • Super high cold resistance

KE-186-U

KE-186-U

  • Excellent low temperature properties. It does not become brittle even in the low temperature range of -100℃.
  • Super high cold resistance

KE-188-U (Developed products)

KE-188-U (Developed products)

  • Excellent low temperature properties. It does not become brittle even in the low temperature range of -100℃.
  • Super high cold resistance

X-30-2776-U

X-30-2776-U

  • Silicone rubber with electric conductivity
  • Good compression set. low hardness.
  • Applications requiring electrical conductivity such as electrical contacts

X-30-2831-U

X-30-2831-U

  • Silicone rubber with electric conductivity
  • Good compression set. low hardness.
  • Applications requiring electrical conductivity such as electrical contacts

X-30-2871-U

X-30-2871-U

  • Silicone rubber with electric conductivity
  • Good compression set.
  • Applications requiring electrical conductivity such as electrical contacts

KE-3502-U

KE-3502-U

  • Silicone rubber with electric conductivity
  • Good compression set.
  • Applications requiring electrical conductivity such as electrical contacts

KE-3601SB-U

KE-3601SB-U

  • Silicone rubber with electric conductivity
  • Good compression set.
  • Applications requiring electrical conductivity such as electrical contacts

KE-3711-U

KE-3711-U

  • Silicone rubber with electric conductivity
  • Good compression set. High hardness.
  • Applications requiring electrical conductivity such as electrical contacts

KE-3801M-U

KE-3801M-U

  • Silicone rubber with electric conductivity
  • Good compression set. High hardness.
  • Applications requiring electrical conductivity such as electrical contacts

KE-5638-U

KE-5638-U

  • Low hardness. Flame retardant. UL-94 V-0

KE-5606-U

KE-5606-U

  • High hardness, flame retardant V-0 grade

KE-5612E-U

KE-5612E-U

  • Flame retardant V-0 grade
  • Little change in physical properties even at high temperatures of 250℃

KE-5637-U

KE-5637-U

  • Flame retardant. UL-94 V-0

KE-5634-U

KE-5634-U

  • Flame retardant. UL-94 V-1

KE-1735-U

KE-1735-U

  • Fireproof gaskets, etc. It is flexible and can be extruded.
  • The amount of smoke emitted is very low. It also makes it easier to secure visibility in the event of a fire.
  • When burned, it becomes hard and sintered like ceramic. There is little dimensional change even after sintering.

KE-5490-U

KE-5490-U

  • It is difficult for dust and dirt to adhere to it.
  • Excellent electrical insulation high strength type. Can be colored.
  • Applications such as fusing units, protective materials for electronic components, miscellaneous goods, etc.

KE-5590-U

KE-5590-U

  • It is difficult for dust and dirt to adhere to it.
  • Excellent electrical insulation high strength type. Can be colored.
  • Applications such as fusing units, protective materials for electronic components, miscellaneous goods, etc.

KE-5690-U

KE-5690-U

  • It is difficult for dust and dirt to adhere to it.
  • Excellent electrical insulation high strength type. Can be colored.
  • Applications such as fusing units, protective materials for electronic components, miscellaneous goods, etc.

KE-5790-U

KE-5790-U

  • It is difficult for dust and dirt to adhere to it.
  • Excellent electrical insulation high strength type. Can be colored.
  • Applications such as fusing units, protective materials for electronic components, miscellaneous goods, etc.

KE-5890-U

KE-5890-U

  • It is difficult for dust and dirt to adhere to it.
  • Excellent electrical insulation high strength type. Can be colored.
  • Applications such as fusing units, protective materials for electronic components, miscellaneous goods, etc.

KE-552-U

KE-552-U

  • Excellent rubber properties in high temperature range
  • Even at high temperatures of 200 to 250℃, there is little change in physical properties and deterioration is resistant.
  • High heat resistant type

KE-582-U

KE-582-U

  • Excellent rubber properties in high temperature range
  • Even at high temperatures of 200 to 250℃, there is little change in physical properties and deterioration is resistant.
  • High heat resistant type

KE-552B-U

KE-552B-U

  • Excellent rubber properties in high temperature range
  • Even at high temperatures of 200 to 250℃, there is little change in physical properties and deterioration is resistant.
  • High heat resistant type

X-30-4084-U

X-30-4084-U

  • Excellent rubber properties in high temperature range
  • Even at high temperatures of 250 to 300℃, there is little change in physical properties and deterioration is resistant.
  • Super high heat resistant type

X-30-3888-U

X-30-3888-U

  • Excellent rubber properties in high temperature range
  • Even at high temperatures of 250 to 300℃, there is little change in physical properties and deterioration is resistant.
  • Super high heat resistant type

X-30-4079-U

X-30-4079-U

  • Excellent rubber properties in high temperature range
  • Even at high temperatures of 250 to 300℃, there is little change in physical properties and deterioration is resistant.
  • Super high heat resistant type

X-30-4621-U

X-30-4621-U

  • Excellent rubber properties in high temperature range
  • Even at high temperatures of 250 to 300℃, there is little change in physical properties and deterioration is resistant.
  • Can be colored

X-30-4574-U

X-30-4574-U

  • Excellent rubber properties in high temperature range
  • Even at high temperatures of 250 to 300℃, there is little change in physical properties and deterioration is resistant.
  • Can be colored

X-30-4714-U

X-30-4714-U

  • Excellent rubber properties in high temperature range
  • Even at high temperatures of 250 to 300℃, there is little change in physical properties and deterioration is resistant.
  • Can be colored

X-30-4734-U

X-30-4734-U

  • Excellent rubber properties in high temperature range
  • Even at high temperatures of 250 to 300℃, there is little change in physical properties and deterioration is resistant.
  • Can be colored

KE-765-U

KE-765-U

  • Excellent rubber properties in high temperature range
  • Excellent compression set.
  • Industrial roll

KE-785-U

KE-785-U

  • Excellent rubber properties in high temperature range
  • Excellent compression set.
  • Industrial roll

KE-6080-U

KE-6080-U

  • Excellent rubber properties in high temperature range
  • Extrusion molding possible
  • For electrical wire coating

KE-7511-U

KE-7511-U

  • Excellent steam resistance and chlorine water resistance
  • ‘Excellent rubber properties over a wide temperature range of -55 to 250℃
  • Ideal for rubber gaskets for food such as electric pots and rice cookers.

KE-7611-U

KE-7611-U

  • Excellent steam resistance and chlorine water resistance
  • Excellent rubber properties over a wide temperature range of -55 to 250℃
  • Ideal for rubber gaskets for food such as electric pots and rice cookers.

KE-5550-U

KE-5550-U

  • Excellent vibration isolation over a wide temperature range
  • High loss factor. High damping type.
  • For vibration absorption and isolation purposes such as automobile muffler hangers, etc.

KE-5560-U

KE-5560-U

  • Excellent vibration isolation over a wide temperature range
  • High loss factor. High damping type.
  • For vibration absorption and isolation purposes such as automobile muffler hangers, etc.

KE-5570-U

KE-5570-U

  • Excellent vibration isolation over a wide temperature range
  • High loss factor. High damping type.
  • For vibration absorption and isolation purposes such as automobile muffler hangers, etc.

KE-401EM-U

KE-401EM-U

  • Excellent vibration isolation over a wide temperature range
  • Low frequency dependence of elastic modulus E’. Low dynamic magnification type.
  • For vibration absorption and isolation purposes such as automobile muffler hangers, etc.

KE-501EM-U

KE-501EM-U

  • Excellent vibration isolation over a wide temperature range
  • Low frequency dependence of elastic modulus E’. Low dynamic magnification type.
  • For vibration absorption and isolation purposes such as automobile muffler hangers, etc.

KE-601EM-U

KE-601EM-U

  • Excellent vibration isolation over a wide temperature range
  • Low frequency dependence of elastic modulus E’. Low dynamic magnification type.
  • For vibration absorption and isolation purposes such as automobile muffler hangers, etc.

KE-701EM-U

KE-701EM-U

  • Excellent vibration isolation over a wide temperature range
  • Low frequency dependence of elastic modulus E’. Low dynamic magnification type.
  • For vibration absorption and isolation purposes such as automobile muffler hangers, etc.

KE-9411-U

KE-9411-U

  • Excellent fatigue durability
  • Peroxide curing
  • Applications subject to repeated stress such as rubber switches

KE-9511-U

KE-9511-U

  • Excellent fatigue durability
  • Peroxide curing
  • Applications subject to repeated stress such as rubber switches

KE-9611-U

KE-9611-U

  • Excellent fatigue durability
  • Peroxide curing
  • Applications subject to repeated stress such as rubber switches

KE-5131-U

KE-5131-U

  • Excellent fatigue durability
  • Peroxide curing
  • Applications subject to repeated stress such as rubber switches

KE-5141-U

KE-5141-U

  • Excellent fatigue durability
  • Peroxide curing
  • Applications subject to repeated stress such as rubber switches

KE-5151-U

KE-5151-U

  • Excellent fatigue durability
  • Peroxide curing
  • Applications subject to repeated stress such as rubber switches

KE-5161-U(X-30-1477-U)

KE-5161-U(X-30-1477-U)

  • Excellent fatigue durability
  • Peroxide curing
  • Applications subject to repeated stress such as rubber switches

KE-5171-U

KE-5171-U

  • Excellent fatigue durability
  • Peroxide curing
  • Applications subject to repeated stress such as rubber switches

KE-9390-U

KE-9390-U

  • It is difficult for dust and dirt to adhere to it.
  • Excellent electrical insulation general type. Can be colored.
  • Applications such as fusing units, protective materials for electronic components, miscellaneous goods, etc.

KE-9490-U

KE-9490-U

  • It is difficult for dust and dirt to adhere to it.
  • Excellent electrical insulation general type. Can be colored.
  • Applications such as fusing units, protective materials for electronic components, miscellaneous goods, etc.

KE-9590-U

KE-9590-U

  • It is difficult for dust and dirt to adhere to it.
  • Excellent electrical insulation general type. Can be colored.
  • Applications such as fusing units, protective materials for electronic components, miscellaneous goods, etc.

KE-9690-U

KE-9690-U

  • It is difficult for dust and dirt to adhere to it.
  • Excellent electrical insulation general type. Can be colored.
  • Applications such as fusing units, protective materials for electronic components, miscellaneous goods, etc.

KE-9790-U

KE-9790-U

  • It is difficult for dust and dirt to adhere to it.
  • Excellent electrical insulation general type. Can be colored.
  • Applications such as fusing units, protective materials for electronic components, miscellaneous goods, etc.

KE-520-U

KE-520-U

  • Low hardness and excellent elongation
  • Peroxide curing

KE-530B-2-U

KE-530B-2-U

  • Low hardness and excellent elongation
  • Peroxide curing

KE-540B-2-U

KE-540B-2-U

  • Low hardness and excellent elongation
  • Peroxide curing

KE-503-U

KE-503-U

  • Oil bleed type.Ideal for waterproof sealing of automotive wiring harnesses.
  • Waterproof reliability. Good workability.
  • Does not tear easily even when crimped

KE-5042-U

KE-5042-U

  • Oil bleed type.Ideal for waterproof sealing of automotive wiring harnesses.
  • Waterproof reliability. Good workability.
  • Does not tear easily even when crimped

KE-505-U

KE-505-U

  • Oil bleed type.Ideal for waterproof sealing of automotive wiring harnesses.
  • Waterproof reliability. Good workability.
  • Does not tear easily even when crimped

KE-5530-U

KE-5530-U

  • Excellent vibration isolation over a wide temperature range
  • High loss factor. High damping type.
  • For vibration absorption and isolation purposes such as automobile muffler hangers, etc.

KE-5540-U

KE-5540-U

  • Excellent vibration isolation over a wide temperature range
  • High loss factor. High damping type.
  • For vibration absorption and isolation purposes such as automobile muffler hangers, etc.

KE-931-U

KE-931-U

  • For general molding
  • Conforms to food standards
  • Peroxide curing

KE-941-U

KE-941-U

  • For general molding
  • Conforms to food standards
  • Peroxide curing

KE-951-U

KE-951-U

  • For general molding
  • Conforms to food standards
  • Peroxide curing

KE-961-U

KE-961-U

  • For general molding
  • Conforms to food standards
  • Peroxide curing

KE-971-U

KE-971-U

  • For general molding
  • Conforms to food standards
  • Peroxide curing

KE-981-U

KE-981-U

  • For general molding
  • Conforms to food standards
  • Peroxide curing

KE-961T-U

KE-961T-U

  • For general molding
  • Conforms to food standards
  • Milky white translucent. Peroxide curing

KE-971T-U

KE-971T-U

  • For general molding
  • Conforms to food standards
  • Milky white translucent. Peroxide curing

KE-981T-U

KE-981T-U

  • For general molding
  • Conforms to food standards
  • Milky white translucent. Peroxide curing

KE-541-U

KE-541-U

  • For extrusion molding
  • Conforms to food standards
  • Peroxide curing

KE-551-U

KE-551-U

  • For extrusion molding
  • Conforms to food standards
  • Peroxide curing/Addition curing

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