One of the best quality silicones available. Its toughness and flexibility makes this Dow Corning silicone a leader in its field. Highly recommended when casting with resins, also ideal when casting in plaster, concrete, Jesmonite, cement, etc. Comes with Fast Catalyst; 1kg Base comes with 100g, 5kg base 500g and 20kg base 2kg. These catalyst are pigmented red to assist in mixing. Catalyst when added at 10%; Fast Silicone Catalyst Gel Time (Working time) 40 minutes De-Mould Time 10 hours Please note the photo is of the 20kg Silastic 3481 Base.
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