... yellow fine powder. It is one of the most widely used chemical foaming agents due to its non-toxic ... 15Ash % ≤ 0.3Main applicationIt is well known as the most popular and effective chemical foaming agent for PVC,PS,PP ... free style of rubber&plastic blends. It is widely used in low foaming PE or EVA, such ... should be stored in a cool dry places, away from fire, spark and heat. If fire, extinguishing use ...