SDS PART A SDS PART B Puresil silicone is a platinum cure 1:1 two part silicone mould making formula designed for mould makers. FDA approved food grade silicone that's formulated for all levels of experience . PureSil platinum cure is an RTV silicone with an extended pot life and cure time for maximum bubble release . This product is a non hazardous product making it extremely safe . PureSil can be cast on just about any object or mould to create your very own silicone moulds . Literally make a mould of whatever you like , the silicone mould making world is yours Key Features and Data Ratio 1:1 by volume Shore hardness 30a 20-30 min pot life 2 hour cure time Low viscosity Excellent bubble release Excellent tear and tensile strength Outstanding bubble release properties Food grade User friendly and easy Low shrinkage Non toxic