PVC Resin, Grade Standard : Paste Grade

Pvc resin
we have suspension pvc resin (carbide base & ethylene base) with following spec.
pvc resin - sg1 k-value 77-75
pvc resin - sg2 k-value 74-73
pvc resin - sg3 k-value 72-71
pvc resin - sg4 k-value 70-69
pvc resin - sg5 k-value 68-66
pvc resin - sg6 k-value 65-63
pvc resin - sg7 k-value 62-60
pvc resin - sg8 k-value 59-55
sg1-3 mainly for wire and cable
sg4-7 mainly for rigid pvc products, eg, window profile, pipe, door etc.
formula: [-ch2-chcl-]n
properties: it is thermoplastic, insoluble in water, gasoline and ethanol, expandable or soluble in ether, ketone, fatty chlorohy-drocarbons or aromatic hydrocarbons with strong anti--corrosiveness, and good dieletric property.
features: white powder, it will appear different physical and mechanical properties after add various additives to it. It has better quality of mechanic feature, anticorrosion, dielectric and anti-chemicals.
quality standard: it's complied to the standard gbt5761-93
type: sg1 sg2 sg3 sg4 sg5 sg6 sg7 sg8
viscosity, ml/g(or k value) 156-144 (77-75) 143-136 (74-73) 135-127 (72-71) 1350-1250 126-119 (70-69) 1250-1150 118-107 (68-66) 1100-1000 106-96 (65-63) 950-850 95-87 (62-60) 850-750 86-73 (59-55) 750-650
number of impurity particle ≤ 30 30 30 30 30 30 40 40
volatiles content %, ≤ 0.40 0.40 0.40 0.40 0.40 0.40 0.40 0.40
g/ml≥ apparent density 0.42 0.42 0.42 0.42 0.42 0.45 0.45 0.45
residual after sieve 0.25mm mesh ≤ 0.063mm l≥ 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0
90 90 90 90 90 90 90 90
number of grain/400cm 2 ≤ 40 40 40 40 40 40 40 40
plasticizer absorbency value of 100g resin 25 25 25 22 19 16 14 14
whiteness %, ≥ 74 74 74 74 74 74 70 70
water extractant solution conductivity, s/m ≤ 5× 10 -3 5× 10 -3 5× 10 -3
residual chlore thylene content mg/kg ≤ 5 5 5 5 5 5 5 5
ethylidene chloride mg/kg ≤ 150 150 150 150 150 150 150 150