Standard:GB/T 5761-93

Uses: It is widely used in industry, agriculture, war industry and commercial purpose.

Technical requirements:

No.		SG2
		Top-grade	First grade	Qualified product
1	Viscosity number , ml/g K value Average degree of polymerization	143-136 (74-73)
2	Number of impurity particles ≤	16	30	90
3	Volatile matter(include water), % ≤	0.30	0.40	0.50
4	Apparent Density , g/ml ≥	0.45	0.42	0.40
5	0.25mm sieve pore ≤	2.0	2.0	8.0
6	0.063mm sieve pore ≥	90	90	80
7	Number of fish-eye,p/400cm2 ≤	20	40	--
8	Plasticizer adsorption per 100g resin, g ≥	27	25	--
9	Whiteness(160°C, 10min) ≥	74	--	--
10	conductivity of water extraction liquid, S/m ≤	5×10-3		--
11	Residual VC, mg/kg ≤	8	10	--

* It is made on the basis of top-grade standard of OCT 14332, is similar to the standards of Suspension general-purpose PVC resin in Japan. No.:ZBCZ10214

Molecular formula:

Relative molecular mass :36875-93750

Properties: Appearance is white formless powder, without obvious Melting point. Good insulation and stability

Packing & Storage: film bag lined kraft bag; In dry and ventilating place, transport in clean conveyance with shield, avoid rain