China Polyvinyl Chloride Resin (PVC resin) K Value 66-68

Product Description

PVC resin(other name: polyvinyl chloride resin)
Molecular Formula: [-CH2-CHCl-]n CAS No.:9002-86-2

Appearance: White powder

Standard :GB/T 5761-2006

Type:	SG1	SG2	SG3	SG4	SG5	SG6	SG7	SG8
K value	77-75	74-73	72-71	70-69	68-66	65-63	62-60	59-55
Viscosity, ml/g	156-144	143-136	135-127	126-119	118-107	106-96	95-87	86-73
Average polymerization			1350-1250	1250-1150	1100-1000	950-850	950-850	750-650
Number of impurity particle max	30	30	30	30	30	30	40	40
Volatiles content % max	0.4	0.4	0.4	0.4	0.4	0.4	0.4	0.4
Appearing density g/ml min	0.42	0.42	0.42	0.42	0.42	0.45	0.45	0.45
Residual after sieve 0.25mm mesh max	2	2	2	2	2	2	2	2
0.063mm min	90	90	90	90	90	90	90	90
Number of grain/400cm2 max	40	40	40	40	40	40	40	40
Plasticizer absorbency value of 100g resin	25	25	25	22	19	16	14	14
Whiteness % min	74	74	74	74	74	74	70	70
Residual chlorethylenecontent mg/kg max	5	5	5	5	5	5	5	5
Ethylidene chloride mg/kg max	150	150	150	150	150	150	150	150

Whiteness % min	74	74	74	74	74	74	70	70
Residual chlorethylenecontent mg/kg max	5	5	5	5	5	5	5	5
Ethylidene chloride mg/kg max	150	150	150	150	150	150	150	150

Application:
*SG-1 is used in producing high-grade electrical insulating material
*SG-2 is used in producing electrical insulating material, common soft products and film
*SG-3 is used in producing electrical insulating materials, agricultural film, daily-use plastic products,such as Films, raincoat, industry packing, artificial leather, hose and shoe-making material, etc.
*SG-4 is used in producing membranelle for industrial and civil use, tube and pipes
*SG-5 is used in producing transparent products section bar, hard tube and decorative materials,such as Rigid plate, gramophone record, value and welding rod, PVC pipes, PVC windows, doors ,etc
*SG-6 is used in producing clear foil, hard board and welding rod
*SG-7, SG-8 is used in producing clear foil, hard injection molding.Good hardness and high strength,mainly used for tubes and pipes

Polyvinyl Chloride Resin (PVC resin) K Value 66-68