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Lenka Semenyšínová
tel. +420 47 616 6781
fax.+420 476 164 605
lenka.semenysinova@unipetrol.cz

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Chezacarb Composites

General Characteristics
Carbon black Chezacarb is manufactured by gasification of heavy petroleum residues by partial oxidation in Shell reactors. It is produced in the form of pellets of size 0,5 - 2,5 mm.

Product is not classified as dangerous according to EC Directives.

Carbon black Chezacarb is made in three sorts: A+, A,  and B. There are suitable mostly for modification of conductance and heat conductivity in plastics and rubber, due to their high specific surface and high poresity. 

Parameter Unit Value sort A+ Value sort A Value sort B Test Method
Nitrogen adsorption specificsurface area m2/g 815 - 1005 min. 800 min. 800 ASTM D 6556-04
Iodine adsorption mg/g 1010 - 1140 900 - 1200 950 - 1250 ASTM D 1510-95
DBF absorption ml/100 g 365 - 395 340 - 420 380 - 460 ASTM D 1510-95
pH value     - 7.0 - 9 6.5 - 9 6.5 - 9.5 DIN ISO 787/9-93
Loss by drying* % wt. max. 0.3 max. 0.8 max. 0.8 DIN ISO 787/9-93
Ash content % wt. max. 0.35 max. 0.9 max. 1.7 DIN 53586-88
Content sulphur % wt. max.0.23 max. 0.5 max. 0.6 ASTM D 1619-94
Dust  contents ** % wt. max. 5 max. 15 max. 20 ISO 13322-2
Mean granule hardness g max. 10 max. 10     - ASTM D 3313-92
Maximum granule hardness g max. 20 max. 20     - ASTM D 3313-92
Specific resistance Ohm.cm max 40 max. 150 max. 150 Conductometry
Residue on sieve 0.045 mm ppm hm. max. 50 max. 500 max. 500 ASTM D 1514-90
Bulk weight g/l min. 118 min. 115 min. 112 DIN ISO 1306-04
Compressed bulk weight g/l 140 - 160      -       - DIN ISO 787/11-83
Toluene extraction % wt. max. 0.1      -       - DIN 53553-79
Content of vanadium % wt. max. 0.1 max. 0.3 max. 0.50 XRF analysis
Content of nickel % wt. max. 0.05 max. 0.15 max. 0.25 XRF analysis
Content of iron % wt. max. 0.03 max. 0.1 max. 0.18 XRF analysis

* With respect to the CHEZACARB ability to absorb air humidity the loss by drying is guaranteed only immediately after package opening 

** Guaranteedmaximal powder fraction is meant as the value specified by the manufacturer 

Packaging, Storage, Transportation
Carbon black Chezacarb is delivered in 5 kg polyethylene bags layed in number of 36 on wooden pallets. After agreement between manufacturer and customer the material can also be delivered in bags or metal containers of the customer, or in big bags. Carbon black Chezacarb is stored in dry covered storehouse, protected against direct sunlight.

9 Mar 2010

Unipetrol group
Orlen group
Sorbents and Composites