... ,it can contribute to control the transparency and hardness , transparent film add a small amount (5-10PHR) magnesium Strong powder, can make ... 8mm-10mm by calendering or extrusion molding , there is a very beautiful and smooth surface, and can quickly reduce the ... Magnesium powder is one kind of the stabilizer,it contains a high-level fatty acid ester compounds, besides can use as lubricants ...