Gaskets, seals use liquid silicone rubber

Basic types: LIM1939 - a/B, 35 LIM1939-60 a/B

The product description

LIM1939 - a/B and LIM1939 35 to 60 a/B is a suitable for injection molding process of two-component platinum catalytic liquid silicone rubber, has the characteristics of high performance and long service life.

Product features:

Low meet US CFR21. Part. 177.2600, 14350.2 and the EU RoHS standard EN

Low good weathering resistance

Low high tear strength

Low good aging resistance

Low resistance to yellowing

In 20 ℃ environment, A/B component mixture sealing condition of safe operating time is 5 days, safe operating temperatures

A shorter time

Main application:

The silicone gaskets used industrial parts

packaging

20 kg/barrel or 200 kg/barrel

Typical physical properties table

Physical properties

The test method

unit

LIM1939-35 a/B

LIM1939-60 a/B

appearance

Transparent without impurities

Mixed proportion (A, B)

1:1

1:1

viscosity

DIN53019

MPa. S

1600000

900000

Shaw hardness

D2204

a.

33

59

The tear strength

D624B

KN/m

30.0 or higher

35.0 or higher

The tensile strength

D412

MPa

9.0 or higher

7.50 or higher

Elongation at break

D412

%

P 800

P 400

Pull a permanent deformation rate

D412 DIE C

%

8.0 or less

5.0 or less

The linear shrinkage

JISK 6301

%

2.0

2.0

The springback

%

50 or higher

> 60

TC90

The SEC

28 s: 165 ℃

S: 30 to 165 ℃

The SEC

39 s: 145 ℃