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PVC

Article source：未知 TIME：2021-07-19

PVC used to be the world largest production of general plastic, widely used. It is widely used in building materials, industrial products, daily necessities, floor leather, floor tile, artificial leather, pipe, wire and cable, packaging film, bottle, foaming material, sealing material, fiber and other aspects.

Main Type:PVC SG3, SG5, SG7, SG8, PVC S-700, PVC 1070

PVC--Polyvinyl Chloride		SG3	SG5	SG7	SG8
K - Value		72 - 71	66 - 68	62 - 60	59 - 55
Polymerizing Index		1300 +/-50	1000 +/-50	800 +/-50	700 +/-50
Number of impurity particles ≤		16	16	20	20
Volatile content (incl. water) % ≤		0.30	0.40	0.40	0.40
Apparent density ≥		0.42	0.48	0.48	0.50
Particle size	≥ 0.25mm ≤	2.0	2.0	2.0	0.4
Particle size	≥ 0.063mm ≥	95	95	95	95
Number of Fish Eye (/400 cm2) ≤		20	20	30	30
Plasticizer absorption of 100g resin ≥		26	19	12	22
Whiteness (160°C, after 10 min.) % ≥		78	78	75	75
VCM Residue PPM ≤		5	5	5	5

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