tape:	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≥ appearing 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/400cm2≤	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