On the rubber industry for the manufacture of natural rubber and butyl rubber reinforcing agent, filler, can give the Vulcanized

ITEM	CARBON BLACKN220	CARBON BLACKN330	CARBON BLACKN550	CARBON BLACKN660
Suck iodine value, g/kg	121±7	82±7	43±6	36±6
DBP uptake value, (10-5 m3 / Kg)	114±7	102±7	121±7	90±7
CDBP uptake value, (10-5 m3 / Kg)	90-106	80-96	77-93	66-82
Nitrogen adsorption ratio surface area, (10 3 m3 / Kg)	112-26	71-85	34-46	29-43
STSA (10 3 m3 / Kg)	106±9	75±9	39±9	34±9
Color intensity, %	108-124	96-112
Pour into density, kg/m3	355±40	380±40	360±40	440±40
45 u m screenings, more than %	0.100	0.100	0.100	0.100
500 u m screenings, more than %	0.0010	0.0010	0.0010	0.0010
Impurities,	no	no	no	no
Heating reduction, more than %	2.5	2.5	1.5	1.5
Ash content, more than %	0.7	0.7	0.7	0.7
Set out 300% stress, Mpa	- 2.3±1.6	- 0.9±1.6	- 0.9±1.6	- 2.6±1.6

tyre Carbon Black