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Dec 07, 2016 · deciding between calcium carbonate and talc filled polypropylene sheet. talc has a plate-like structure, which means that when extruded, the plates will orient in the direction of extrusion. this mineral structure results in increased rigidity and resistance to heat. calcium carbonate has more of a spherical or cube shape.
Pp+ calcium carbonate powder named as ct is the sheet which is made from pp with 40%-60% of high quality. the pp+caco3 environmentally-friendly sheet extrusion line developed by dwell company uses the three extruders for 3 or 4 layers co-extrusion.
Pvc transparent sheet extrusion line pvc transparent sheet have many advantages of fire-resistance,... pp, eva, evoh, ps and pe multi-layer sheet co-extrusion line ... pp & calcium powder environmental protection sheet extrusion line. pp and calcium powder environmental protection sheet extrusion line
Calcium carbonate in plastics compounding calcium carbonate (caco3) is one of the most popular mineral fillers used in the plastics industry. it is widely available around the world, easy to grind or reduce to a specific particle size, compatible with a wide range of polymer resins and economical.


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