Description

PVC stands for polyvinyl chloride, a synthetic polymer made from vinyl chloride. It is a widely used plastic material that is durable, versatile, and cost-effective. PVC is commonly used in construction for pipes, electrical cable insulation, window frames, and flooring. It is also used in the production of clothing, toys, and inflatable products. PVC has been criticized for its environmental impact, as it can release toxic chemicals when burned or disposed of improperly. However, efforts have been made to improve the sustainability of PVC production and use.

Application

PVC is commonly used in construction for pipes, electrical insulation, window frames, siding, flooring, and roofing. It is also used in healthcare for medical tubing, blood bags, and surgical gloves, as well as in textiles for raincoats and shower curtains. Automotive industries use PVC for door panels and seat coverings, and it is also used in packaging and consumer goods, such as inflatable toys, yoga mats, and vinyl records.

Specification

Polyvinyl Chloride Resin		SG3	SG5	SG8
Inspection item		Value
K value		72 - 71	68 - 66	59 - 55
Viscosity number		135 - 127	118 - 107	86 - 73
Number of impurity particles		≤ 16	≤ 16	≤ 20
Volatile content (incl. water)%		≤ 0.30	≤ 0.40	≤ 0.40
Apparent density		≥ 0.45	≥ 0.45	≥ 0.48
Particle size	≤2.0	≤ 2.0	≤ 2.0	≤ 2.0
Particle size	≥90	≥ 90	≥ 90	≥ 90
Number of Fish Eye (/400 cm2)		≤ 20	≤ 20	≤ 30
Plasticizer absorption of 100g resin		≥ 26	≥ 20	≥ 14
Whiteness (160, after 10 min.) %		≥ 80	≥ 80	≥ 75
VCM Residue PPM		≤ 3	≤ 3	≤ 3

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