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Methyl Selenac |
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Selenium dimethyldithiocarbamate |
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For SBR, NR, IIR. Also vulcanizing agent. Effective in low sulfur-less heat resistant compounds. Non-discoloring in light compounds. Generally used with thiazoles to balance scorch and curing characteristics. |
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2-4 phr (vulcanizer in NR. BR. IR, SBR), 0.3-1 phr (primary accelerator in NR, BR, IR, SBR), 0.1-0.3 (sec. accelerator in NR. BR, IR), 3-5 phr (vulcanizer in IIR), 1-2 phr (primary in IIR)
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Composition: Selenium dimethyldithiocarbamate Physical State: Yellow powder Melting Range 140-172'C Moisture Content at 80-85'C 1.0% maximum Selenium Content 13.0-15.0% Ash Content 0.75% Density at 25¡ÆC 1.58 Mg/m3 Fineness, through 100 mesh 99.9% Solubility - Soluble in toluene. Moderately soluble in chloroform. Insoluble in water. |
Industrial field |
additive, rubber & additives |
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