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Rubber compounds

Silicone rubbers have properties of both inorganic and organic materials. They are composed of unique silicone gums and high-purity silica. Silicone rubbers offer many outstanding features not found in other organic rubbers.

Feature
Heat and cold resistance
  At 150 ℃ there is almost no change in physical properties, and they maintain elasticity at temperatures at which typical organic rubbers become brittle.
Weather resistance
  Silicone rubber compounds can be exposed to UV rays, wind, and rain for long periods with almost no change in physical properties.
Oil resistance, solvent resistance, chemical resistance
  Silicone rubber compounds have superior oil resistance at high temperatures. They also have outstanding resistance to solvents and other chemicals, and are nearly impervious to polar organic compounds and dilute acids and alkalis.
Electrically insulative
  They are stable over a wide range of temperatures and frequencies. And even when immersed in water, there is almost no decline in performance.
Compression set
  They are stable over a wide temperature range (-60 ℃ to +250 ℃).
Transparency and coloring
  Silicone rubber compounds are highly transparent, meaning they can be easily colored with pigments.
Products

Application/Type

Grade

Appearance

Features

Voltage registant

KE-655-U

Grayish white

Boots, diaphragms, bellows, clamp covers, seals, O-rings.

KE-675-U

Grayish white

General molding

KE-931-U

Milky white translucent

Packing, keypads, diaphragms, rolls, etc.

KE-941-U

Milky white translucent

KE-951-U

Milky white translucent

KE-961-U

Grayish white

KE-971-U

Grayish white

KE-981-U

Grayish white

KE-961T-U

Milky white translucent

KE-971T-U

Milky white translucent

KE-871C-U

Grayish white

Reduced
low-molecular-weight
siloxane
silicone rubber
compound

KE-9410-U

Milky white translucent

KE-9510-U

Milky white translucent

KE-9610-U

Grayish white

KE-9710-U

Grayish white

Non post-cure

KE-742-U

Pale yellow

Boots, diaphragms, bellows, clamp covers, seals, O-rings, rubber rolls.

KE-752-U

Grayish white

KE-762-U

Grayish white

KE-772-U

Grayish white

KE-782-U

Grayish white

Low compression-set

KE-850-U

Milky white translucent

High-temperature gaskets, O-rings, rubber rolls, oil seals.

KE-870-U

Grayish white

KE-880-U

Grayish white

KE-890-U

Grayish white

Anti-static
silicone rubber
compound

KE-9590-U

Milky white translucent

Keypads, rubber insulation-coated wire, packing, rubber tubing.

KE-5590-U

Milky white translucent

Heat resistant

KE-552-U

Light tan

High-temperature gaskets, high-temperature packing.

KE-582-U

Light tan

KE-552B-U

Pale yellow

High strength

KE-555-U

Pale yellow

Boots, diaphragms, gaskets, seals, O-rings, belts.

KE-575-U

Pale yellow

General
extrusion
molding

KE-541-U

Milky white translucent

Rubber insulation-coated wire, rubber tubing, for food containers.

KE-551-U

Milky white translucent

KE-561-U

Milky white translucent

KE-571-U

Milky white translucent

KE-581-U

Milky white translucent

Low hardness,
high elongation

KE-520-U

Milky white translucent

Baby nipple.

KE-530B-2-U

Milky white translucent

KE-540B-2-U

Milky white translucent

Tube

KE-1551-U

Milky white translucent

Transparent tubing, hose.

KE-1571-U

Milky white translucent

KE-153-U

Milky white translucent

KE-174-U

Milky white translucent

Electrically
conductive

KE-3601SB-U

Black

Electrically conductive rubber sheets, gaskets, O-rings, packing, contact point rubber.

KE-3711-U

Black

KE-3801M-U

Black

Flame-resistant

KE-5612G-U

Grayish black

Rubber insulation-coated wire, rubber sleeves, cloth tubing, insulative molded items.

KE-5620BL-U

Black

KE-5620W-U

White

KE-5634-U

Translucent

Steam resistant

KE-7511-U

Pale yellow

Packing for pots.

KE-7611-U

Pale yellow

KE-7711-U

Pale yellow

For transfer rolls

KE-765-U

Pale yellow

Heat-resistant transfer rolls.

KE-785-U

Grayish white

For rubber rolls

KE-7008-U

Pale yellow

Low compression-set materials.

KE-7005-U

Pale yellow

Oil bleed

KE-503-U

White

Waterproof connectors, seals.

KE-5042-U

White

KE-505-U

Grayish white

Heat conductive

KE-6801-U

Dark blue

Heat-dissipating insulative covering.

Low-temperature
applications

KE-136Y-U

Pale yellow

Low temperature gaskets, packing.

 
Fluorosilicone rubber

Application/Type

Grade

Appearance

Features

Solvent resistant

FE-241-U

Milky white translucent

Flame-resistant diaphragms, check valves, gaskets.

FE-251-U

Pale yellow

FE-261-U

Pale yellow

FE-271-U

Grayish white

FE-351-U

Pale yellow

High tear-strength types.

FE-361-U

Pale yellow

FE-451-U

Pale yellow

Copolymer.

 
SEP rubber

Application/Type

Grade

Appearance

Features

High durability

SEP-1711-U

Yellow

General grade.

SEP-1721-U

Pale yellow

Heat-resistant grade.

SEP-1731-U

Gray

General grade for extrusion molding.

SEP-363-U

Black

Flame-resistant grade.

 
* Please see the test results catalog for curing agents.
   
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