Computer keyboard with silicone rubber

1. The basic models: LSR2009-40 a/B, LSR2010-40 a/B.

2. The product description

This series product is suitable for injection molding process of a two-component platinum catalytic translucent liquid

Silicone rubber, which is suitable for rapid gel-type LSR2009-40 a/B.

3. The main features

High liquidity, high resilience, stable shrinkage, easy injection, excellent thermal stability and resistance

Cold sex (using temperature 60 ℃ ~ 250 ℃)

4. The main application

Used for computer keyboard lined with injection molding.

5. Storage: according to the original factory packaging, storage in the highest do not exceed 27 ℃ in a cool, dark places. Product storage is valid for 180 days (to date), the product after use, if not finished, please seal immediately, otherwise affect the storage period of validity

6. Method of use: A component and B components through metering and mixing equipment installation 1:1 proportion into the injection molding machine screw cavity, after A few seconds, get the elastomer cured.

7. Packing

20 kg/barrel or 200 kg/barrel

8. Typical physical properties table

LSR2009-40 a/B, LSR2010-40 a/B

components

A component

B component

appearance

Milky white transparent

Milky white translucent

Viscosity mpa. S

75000

60000

At 20 ℃, the A/B component after mixing, in A sealed condition for safe operation of 3 days, shorten at higher temperatures safe operating time.

A/B component according to 1:1 proportion mixed weight after 150 ℃ X10 minutes forming, typical performance:

project

With reference to the standard

unit

Data LSR2010-40 a/B

Data LSR2009-40 a/B

The density of

DIN53 479 a

G/cm3

108

108

Shaw A hardness

DIN53 305

° a.

43

43

Breaking strength

DIN53 504 S2

N/was

5.0

5.0

The compression permanent deformation

DIN53 22 HRS @ 175 517 ℃

%

0.68

0.68

Tear strength

ASTM D624 Die B

N/mm

11.0

11.0

Elongation at break

DIN53504 S2

%

290

290

The linear shrinkage

JISK 6301

%

1.5

1.5