We Hebei Daguangming Juwuba Carbon Black Co.Ltd is the 4th manufactuer of carbon black In China.OUr Yearly production is:200,000Mts
We may produce more than 20 grades carbon black like N220, N234, N330, N326, N339, N375, N550, N539, N660 T300,C500,P8 ect. And following GB3778-2011 & ASTM-D Stanard.
We export more than 20 countries.and got ISO:9001:2008,QS, ISO1400H OHAS Reach Certificate. Our carbon black are mainly used in the following field:

Rubber & Tire grade& Belt Tube: asN220,N330,N550,N774,N660
Master batch grade:N326,N774,N660,N330
Plastic grade: as White Carbon,p8
4> Ink & Pigment grade:P.8, N115,N1321,C500 ect.
We have got Reach Certificate.which a allow us to export to Europ with the competitive price.
We are supply to Goodyear,Bridgestone,Cooper Tire,Apollo Tire,J.K tire ect with have good experience to supply good material.
WE may suppy the best service to ensure you get the goods at the shortest time and good quality.
You may contact us at any moment if you have enquiry.

STANDARD:GB 3778-2003 OR ASTMD Hebei Daguangming Group, Juwuba Carbon Black Co., Ltd.
Item	Unit	Grade	N220	N234	N330	N326	N339	N375	N550	N660
Iodine Adsorption Number	g/Kg	superior	121±5	120±5	82±5	82±5	90±5	90±5	43±4	36±4
		Qualified	121±7	120±7	82±7	82±7	90±7	90±7	43±6	36±6
DBP Absorption Number	10 -5 m 3 /kg	superior	114±5	125±5	102±5	72±5	120±5	114±5	121±5	90±5
		Qualified	114±7	125±7	102±7	72±7	120±7	114±7	121±7	90±7
Compressed DBP Absorption Number	10 -5 m 3 /kg		93~103	97~107	83~93	64~72	94~104	91~101	80~90	69~79
		Qualified	90~106	94~110	80~96	62~74	91~107	88~104	77~93	66~82
CTAB Surface Area	10 3 m 2 /kg	superior	105~117	113~125	76~88	77~89	87~99	90~102	37~47	31~41
		Qualified	102~120	110~128	73~91	74~92	84~102	87~105	35~49	29~43
Nitrogen Surface Area	10 3 m 2 /Kg	superior	114~124	114~124	73~83	73~83	86~96	88~98	34~44	31~39
		Qualified	112~126	112~126	71~85	71~85	84~98	86~100	34~46	29~41
STSA	10 3 m 2 /Kg	superior	106±5	112±5	75±5	76±5	88±5	91±5	39±5	34±5
		Qualified	106±9	112±9	75±9	76±9	88±9	91±9	39±9	34±9
Tint strength	%	superior	111~121	118~128	99~109	106~116	106~116	109~119	¬	¬
		Qualified	108~124	115~131	96~112	103~119	103~119	106~122	¬	¬
PH Value		Qualified	7±1.5
Heating Loss	%≤	Qualified	2.5						1.5
Ash Content	% ≤	Qualified	0.7
45 um mesh	% ≤	superior	0.05
		Qualified	0.10
Impurity		Qualified	NO
Fines Content	%≤	Qualified	7
Toluene Discoloration	% max 1618	Qualified	90(85--90)						85	80
sulfur	% max 1619	Qualified	1.1		1.5	1.1
Pour density	kg/m3	Qualified	355±40	320±40	380±40	455±40	345±40	345±40	360±40	440±40
Modulus at 300%	Mpa	superior	-2.3±1.0	-0.4±1.0	-0.9±1.0	-3.9±1.0	0.6±1.0	0.1±1.0	-0.9±1.0	-2.6±1.0
		Qualified	-2.3±1.6	-0.4±1.6	-0.9±1.6	-3.9±1.6	0.6±1.6	0.1±1.6	-0.9±1.6	-2.6±1.6