Magikmold P-508 is a two-component, platinum-cured silicone mold making rubber that cures at room temperature. This is a very soft silicone used to make molds of highly detailed and delicate objects (e.g., candle and soap molds). Magikmold P-508 features: – good chemical resistance – excellent detail reproduction – high dimensional stability over time – excellent release properties The following materials are commonly cast into molds made with this silicone: Wax, Urethane (polyurethane), Plaster, Concrete, Epoxy Resin and Soap. PHYSICAL PROPERTIES Type: Platinum-cured (addition-cure) Silicone. Mix Ratio by Weight: 1A:1B. Shore Hardness: A8. Pot Life: 20 min. Demold Time @ 77°F: 3-4 hr. Cured Color: Translucent. Mixed Viscosity: 2,400 cP. Specific Volume: 26.6 in³/lb. Specific Gravity:1.04. Tensile Strength: 185 psi. Elongation: 781%. Die B Tear Strength: 35.4 pli. Die T Tear Strength: 11.8 pli.
2-lb KIT = 1 lb base and 1 lb catalyst
20 minute pot life
3-4 hour de-mold
1:1 mix ratio by weight