LSR-140 is little harder than LSR-135 and it is mainly used for making molds for the Jewellery and food grade applications . It also can be used for making compontents and molds for concrete stone, GRC, polyurethane products ; wax, candle decoration ; rapid prototyping Its food & Jewellery grade Two-part silicon rubber: Degassing is compulsory. flowable addition cure silicon Medium Fast curing. Cures at room temperature within 5-8 hours.Degassing is required
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