Product Category: Dithiocarbamates
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Vulcanization is the name originally given to the process Charles Goodyear discovered by mixing sulfur with natural rubber and subjecting it to heat to transform a plastic substance into an elastic substance. Years later it was learned that the sulfur actually crosslinks the chains of the rubber molecules. Eventually chemicals other than sulfur were used to crosslink elastomers, resulting in the term crosslinking to become synonymous with vulcanization. Vulcanization is normally achieved with time and temperature activation of specific chemicals which react with polymeric materials, producing a crosslinked network of molecular chains with visco-elastic properties. Sulfur-bearing accelerators make the sulfur-vulcanization process safer and more efficient. Crosslinking is also achieved by organic peroxides, which may be made more efficient thru the use of coagents.
BUTYL ZIMATE® Dustless
Accelerator
Accelerator for EPDM and synthetic latexes in dustless form.
BUTYL ZIMATE® SG
Accelerator
Non-blooming accelerator for EPDM and natural and synthetic latexes. Functions as a non-discoloring antioxidant in non-curing applications, and as a stabilizer in IIR.
ETHYL ZIMATE® Dustless
Accelerator
ETHYL ZIMATE Dustless, zinc diethyldithiocarbamate, is used in BR, EPDM, IR, NBR, NR, SBR polymers and their latexes as a fast-curing primary or secondary ultra- accelerator.
METHYL ZIMATE® Dustless
Accelerator
METHYL ZIMATE Dustles, zinc dimethyldithiocarbamate, is used in BR, EPDM, IR, NBR, NR, SBR polymers and their latexes as a fast-curing primary or secondary ultra- accelerator.
ETHYL TELLURAC® PDR
Accelerator
For NR, SBR, NBR and EPDM. Produces vulcanizates with high modulus.
METHYL SELENAC® POWDER
Accelerator
An accelerator in SBR, NR, IIR compounds. Also may be used as a vulcanizing agent.
METHYL CUMATE® (CuDMC) Powder
Accelerator
Ultra accelerator for high-speed vulcanization of EPDM, IIR, and SBR polymers.
BISMATE® POWDER
Accelerator
NR, IR, BR, SBR accelerator for high-temperature, high-speed vulcanization.
BUTYL EIGHT®
Accelerator
Accelerator for room temperature vulcanization of spread solvent cements, calendered and extruded stocks.
AMYL ZIMATE®
Accelerator
A liquid dithiocarbamate recommended for improved dynamic properties in natural and synthetic rubbers.