Zhermack Silikon Kautschuk ZA 28 MOULD Shore Härte 28 mittelhart Trennmittel Direct application to polystyrene foam

Direct application to polystyrene foam or similar is possible

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In contrast

Silicone rubber type 11 whitish-neutral shore 22 long pot life

You can use normal plaster of paris or a higher-quality plaster of paris for pouring

Zhermack Silikon Kautschuk ZA 28 MOULD Shore Härte 28 mittelhart Trennmittel Direct application to polystyrene foamProduct information "Zhermack silicone rubber ZA 28 MOLD Shore hardness 28 medium hard Zhermack Silicone ZA 28 MOLD Addition curing 2 component silicone rubber that vulcanizes at room temperature ( RTV ). Being remarkably fluid, it is suitable for duplicating models with small undercuts. Compatibility extends to all plasters, waxes, polyurethane and acrylic plastics. Features and Application: High chemical resistance to aggressive components of some