... melting point is between 35 and 45. The density of this product is from 0.91 to 1.05 ... .It could let the organic group with ability of bonding, the lipophilic group with long chain molecule ... polar group,which is agglutinate with the outside of mineral, engraft to the centric atom. So ... inorganic filler, such as, the soft and hard products of PVCPEPP, calcium carbonate, French chalk, white carbon black ...