condensation silicone for moulds

Brand:aa

Product detail:

condensation silicone rubber for molding

640# condensation silicone rubber Applications:

640# condensation silicone rubber with the hardness of 38-42 shore A, is specially suitable for large crafts mould making and duplication of poly resin crafts in pouring way, PU crafts, gypsum or plaster, unsaturated resin, lighting and candles crafts, plastic toy, stationery gifts crafts, large statue buddha, furniture decoration, cement, articficial stone, etc.

640# condensation silicone rubber Advantages: light viscosity, pourable effort, good fluidity, easy-operation, good tension and high tear strength.

 

640# condensation silicone rubber Features:

Model	Viscosity (cps)	Hardness (Ao)	Tensile Strength (Mpa)	Tear Strength (KN/m)	Elongation (%)	Mixing ratio (%)	Operating Time(H)	Curing Time(H)
640	≤10000	38+/-2	≥3.0	≥16	≥260	2-3	0.5-1	2-5

 

640# condensation silicone rubber FAQ:

Why the silicone rubber mold appear with weak tear strength?

When making silicone rubber mold, some customer add a lot of silicone oil to reduce the viscosity of silicone rubber. In fact, this has the opposite effect. The tension and tear strength will be reduced badly with the addition of silicone oil, which leading to the weak and flimsy condition of silicone rubber molds.

 

Further information, please feel free to contact Firleanna:

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T: 86-755-89212382

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