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Items	N220	N330	N550	N660
Iodine Absorption Number g/kg	121 +/-5	82 +/-5	43 +/-4	36 +/-4
DBP Absorption Number 10 -5 m 3 /Kg	114 +/-5	102 +/-5	121 +/-5	90 +/-5
DBP Absorption Number of Compressed Sample 10 -5 m 3 /Kg	93~107	81~95	81~95	68~82
CTAB Surface Area 10 3 m 2 /Kg	106~116	79~87	38~46	31~39
Nitrogen Surface Area 10 3 m 2 /Kg	114~124	78~88	38~46	30~40
Tint Strength	110~120	98~108	-	-
Heating Loss	3.0	2.5	2.5	1.5
Ash	0.5	0.5	0.5	0.5
Tensile Strength Map ≥	-0.8	-1.5	-3.5	-3.5
Extension% ≥	+10	-10	-10	+10
Map Modulus at 300%	-2.5 +/-1.3	-1.7 +/-1.3	-1.7 +/-1.3	-3.5 +/-1.3

Applications:
1. Mainly applied to various rubber products such as tyres, rubber overshoes, cable, seal ring, tape etc.
2. Moreover they can be applied to such relevant industries as plastic manufacture.
Packing: 25kg knitting bags top grade linerfilm, good properties of waterproof.