wholesale price 2 parts mould making silicone rubber liquid for Tire Molding

wholesale price 2 parts mould making silicone rubber liquid for Tire Molding

Tire Molding Silicone

Features

Application:

GC RTV silicone G-8 series are great for tire molding. They have excellent tension and tear strength and flexibility, especially almost zero shrinkage. This kind of silicone rubber always can help you make a perfect molds with high temperature resistance.

Operation Method:

Both pouring or brushing operation methods for our jewelry molding silicone are available. You can choose the best one as your preference, we can provide thixotropic agent for brushing.

Technical Data

Characteristics of the non cured product

Properties	G-820		G-825		G-830		G-835		G-840
	A	B	A	B	A	B	A	B	A	B
Appearance	low viscous liquid
Colour	translucent
Density [g/cm 3 ] at 23 °C, approx
Viscosity [mPa·s] at 23 °C, approx	5000±1000		6000±1000		7000±1000		8000±1000		9000±1000

PolymerisationCuring conditions: 1h at 80 °C

Properties	G-820	G-825	G-830	G-835	G-840
Hardness Shore A	20±2	25±2	30±2	35±2	40±2
Tensile strength [N/mm 2 ]	45±10	50±10	55±10	55±10	60±10
Elongation [%]	500±50	500±50	450±50	450±50	450±50
Tear strength [N/mm]	22±2	24±2	26±2	24±2	12±2

Appearance

Part A: a non-toxic and odorless liquid with translucent color and platinum inside.

Part B: a non-toxic and odorless liquid with blue color.

ATT: We can do any curing time as your requirements.

Notice

What is the hardness should I choose?

Normally 20~40 Shore A will be the best, but it also should according to your size and pattern design

Warm Tips:

The surfaces with which the material comes in contact must be perfectly clean, free of grease and dry.

Close the bottles after use so as not to confuse the cap of the catalyst with that of the base when re-sealing.

Be aware of possible cross-contamination; it’s highly recommended to use only dedicated gear when processing poly-addition RTV2 silicone rubber (including degassing devices).

Be aware that contact with certain material can inhibit the curing of the RTV2 poly-addition silicone rubber. Common contaminants to be avoided include:

-Natural or synthetic rubber, vulcanized with sulphur derivatives.

-Poly-condensation RTV catalyzed with metallic salts.

-PVC stabilizing agents.

-Amine cured epoxies.

-Sulphur, tin and amines derivatives.

-In case of doubt, carry out a small test by pouring the mixture onto a small area of the object.

Package

Part A:1kg/drum; 20kg/drum;25kg/drum;200kg/drum.

Part B:1kg/drum; 20kg/drum;25kg/drum;200kg/drum.

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