We supply diverse model carbon black, for example N220, N330, N550, N660, N339, etc.

1. Type: n220 ,n330,n550.n660.

2. Cas no:1333-86-4

3. Place of origin: china

4. Standard: GB 3778-2003

5. Form: black granule or powder

6.Process: wet or dry process

7. Usage: maily applied to various rubber products such as tyres, rubber overshoes, cable, seal ring, tape etc. Moreover they can be applied to such relevant industries as plastic manufacture.

Items	N220	N330	N550	N660
Iodine Absorption Number g/kg	121 +/-5	82 +/-5	43 +/-4	36 +/-4
DBP Absorption Number 10-5m3/Kg	114 +/-5	102 +/-5	121 +/-5	90 +/-5
DBP Absorption Number of Compressed Sample 10-5m3/Kg	93~107	81~95	81~95	68~82
CTAB Surface Area 103m2/Kg	106~116	79~87	38~46	31~39
Nitrogen Surface Area 103m2/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

Beijing ZhongRongFuYuan Chemical Product Co.,Ltd is a high technology company combining of manufacture, research, selling, and foreign trade. The products range from inorganic, organic, and fine chemical industry, to flavors and fragrances,food additives,medicine materials, as well as intermediate product. Our company is a first-leading corporation. It is one of the two hundred industry companies.We have rich materials and resources. The production and market are in the front rank of the same internal trades. The company has a good location, smooth traffic, very convenient for foreign trade and harbor transport.
With our basic business principle, namely supplying first quality products, prompt delivery and professional service,we have built up long term business relationship with buyer and good reputation in the competitive market.marketing over Europe, North America, South American and Egypt, Japan, india.Looking into the future, we will continue to uphold our philosophy of "Being decent, enterprising, professional" and have full confidence in our business.We look forward to furthering our cooperation with all business partners on the basis of mutual benefit.