(1) Composition of the master batch (parts by mass)
Carrier resin: PP 50
Filler core: 500 mesh calcium carbonate 50
Coupling agent: aluminate DL-411 0.5
Dispersant: stearic acid 2.5
Polyethylene wax 0.5
(2) Preparation process of masterbatch
The carrier resin PP and 50kg of CaCO3 previously treated with the aluminate coupling agent, 2.5kg of stearic acid and 0.5kg of polyethylene wax were sequentially put into a high-speed kneading machine, kneaded for 5 minutes, and then input into an extrusion material-making device to melt-extrude. Mastering granulation
Casters & Wheels,Micro Duty Caster,Small Caster Wheels,Scaffolding Wheels
JIANGSU SHENPAI CASTER CO., LTD , https://www.shenpaicaster.com