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Crosslinking agent for silicone rubber.


Varox DCBP-50 paste is an organic peroxide crosslinking agent for silicone rubber. Varox DCBP-50 paste is a monofunctional organic peroxide which, owing to its low activation temperature, is used for low temperature crosslinking of silicone and fluorosilicone rubbers without external pressure (hot air and/ or IR crosslinking).

Varox DCBP-50 paste is said to be especially good for continuous hot air vulcanization vulcanization (vŭl'kənəzā`shən), treatment of rubber to give it certain qualities, e.g., strength, elasticity, and resistance to solvents, and to render it impervious to moderate heat and cold.  (HAV HAV hepatitis A virus.

HAV
abbr.
hepatitis A virus


HAV Hepatitis A virus, see there
) in the temperature range of 160 to 240[degrees]F, since non-carbon black-loaded compounds containing this peroxide show little tendency to develop porosity, even when vulcanized vul·ca·nize  
tr.v. vul·ca·nized, vul·ca·niz·ing, vul·ca·niz·es
To improve the strength, resiliency, and freedom from stickiness and odor of (rubber, for example) by combining with sulfur or other additives in the presence of heat
 without external pressure. However, post-curing is recommended to prevent acidic decomposition of the rubber product, according to the manufacturer.

The CAS number and chemical structure analysis of Varox DCBP-50 paste is CAS #133-14-2; EINECS/ELINCS No. 205-094-9; TSCA TSCA Toxic Substances Control Act of 1976 (15 USC)
TSCA Traditional Small Craft Association (Mystic, CT, USA)
TSCA Tibetan Spaniel Club of America
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 Status: Listed on inventory; Chemical Nomenclature: Bis (2,4-dichlorobenzoyl) peroxide in silicone oil; SADT SADT - Structured Analysis and Design Technique : 140[degrees]F (75[degrees]C).

R.T. Vanderbilt

www.rtvanderbilt.com
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Title Annotation:Materials
Publication:Rubber World
Date:Sep 22, 2007
Words:152
Previous Article:Fluoroelastomers.(Materials)
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