Items
|
SG8
|
SG7
|
SG5
|
SG4
|
SG3
|
Average degree of polymerization
|
650-740
|
750-850
|
980-1080
|
980-1100
|
1250-1350
|
K value
|
55-59
|
60-62
|
66-68
|
66-68
|
71-72
|
Viscosity
|
73-86
|
87-95
|
107-118
|
107-118
|
127-135
|
Foreign Particle
|
16max
|
16max
|
16max
|
16max
|
16max
|
Volatile Matter,%
|
30max
|
30max
|
30max
|
30max
|
30max
|
Apparent Density,g/ml
|
0.53min
|
0.53min
|
0.48min
|
0.53min
|
0.48min
|
0.25mm Sieve Retained,%
|
2.0max
|
2.0max
|
1.0max
|
1.0max
|
1.0max
|
0.063mm Sieve Retained,%
|
97min
|
97min
|
95min
|
98min
|
98min
|
No.of Grain/400cm2
|
20max
|
20max
|
10max
|
10max
|
10max
|
Plasticizer absorption of 100g resin,g
|
14min
|
16min
|
25min
|
19min
|
28min
|
Whitene S S Degree 160 ℃ 10min,%
|
80
|
80
|
80
|
80
|
80
|
Residual Chlore Thylene Content,mg/kg
|
1
|
1
|
1
|
1
|
1
|