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Message: <blockquote data-quote="E2K13" data-source="post: 44633" data-attributes="member: 442">Cold foam is a type of latex that cures at room temperature and does not need to be baked. There are several issues with it though. It tends to be exceedingly porous and the bubbles within the interior are large sometimes leaving pockets. It also must be used in a very well ventilated area due to the fact that it releases an Isocyanate gas when curing. (Cyanide Gas)The foam latex you bake and is often used for Special F/X prosthetic appliances has a very little bubbles within the piece when done and is typically very flexable depending on the grade. One set back to foam latex though is that the oils from your skin break down the composition of the material. So it should be maintained with care and armoralled regularly.</blockquote>