Product Description

Speciality Grade Carbon Blacks N220, N234, N330, N326, N339, N375, N539, N550, N660, are supplied by us with high quality and competitive prices.

They are widely used for Tyre, Rubber, Conveyer Belt, Plastic, Master Batch, Printing Ink, Paints, Cover, Cable Wire and so on.

Letters, phone call and other further consultation are warmly welcomed, and will be answered promptly.

TECHNICAL SHEET (STANDARD:GB3778-2003 & ASTMD1765-91)
NO.	Item	Unit	Grade	N550
1	Iodine Adsorption Number	g/kg	Superior	43±4
			Qualified	43±6
2	DBP Absorption Number	10 -5 m 3 /kg	Superior	121±5
			Qualified	121±7
3	Compressed DBP Absorption Number	10 -5 m 3 /kg	Superior	80~90
			Qualified	77~93
4	CTAB Surface Area	10 3 m 2 /kg	Superior	37~47
			Qualified	35~49
5	Nitrogen Surface Area	10 3 m 2 /kg	Superior	34~44
			Qualified	34~46
6	STSA	10 3 m 2 /kg	Superior	39±5
			Qualified	39±9
7	Tint Strength	%	Superior	¬
			Qualified	¬
8	PH Value		Qualified	7±1.5
9	Heating Loss	%≤	Qualified	1.5
10	Ash Content	% ≤	Qualified	0.7
11	45 um Mesh	% ≤	Superior	0.05
			Qualified	0.10
12	Impurity		Qualified	NO
13	Fines Content	%≤	Qualified	7
14	Toluene Discoloration	% max 1618	Qualified	85
15	Sulfur	% max 1619	Qualified	1.1
16	Pour density	kg/m3	Qualified	360±40
17	Modulus at 300%	mpa	Superior	-0.9±1.0
			Qualified	-0.9±1.6
Hebei Daguangming Ind.Group,Juwuba Carbon Black Co.,Ltd.