... hardness,prevent deformation, elongation and thermal expansion coefficient. 6. Magnesium powder mixed with rubber material, make the sheet thickness 8mm-10mm ... , and can quickly reduce the air bubbles. 7. Magnesium powder is one kind of the stabilizer,it contains a high ... precipitation of Hcl , the Hcl will not cracking.8. Magnesium powder can improve the touch and to reduce electrostatic effects.9 ...