Alias: double "2,5" curing agent
Chemical name: 2,5-dimethyl-2,5-bis (tert-butylperoxy) hexane
CAS-No 78-63-7
Introduction: 101 is a low volatile, light yellow transparent liquid, which is a dialkyl organic peroxide. It is used as a free radical donor for cross-linking (temperature ≥ 170 ℃; dosage: 0.5~3%, depending on different polymers) and polypropylene degradation (temperature: 200~220 ℃; dosage: 0.01~0.1%) of polymers (such as silicone rubber, ethylene propylene diene monomer, polyethylene, etc.).
Physical and chemical properties Status.................................... Liquid Specific gravity.................................... 0.87 Refractive index.................................... 1.420 Melting point.................................... 8 ℃ Theoretical active oxygen content............ 11.02%
| Half life data Activation energy............ 36.0kcal/mole 10 hour half-life temperature.............. 118 ℃ 1-hour half-life temperature.............. 138 ℃ Half life temperature of 1 minute............ 177 ℃
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Safety data Flash point (closed).................................... 65 ℃ Self accelerating decomposition temperature (SADT)............... 80 ℃ Alarm temperature (Tem).................................... 75 ℃ UN No……………………3103 China Hazardous Chemical No. (CN No)............ 52005 Solubility It is easily soluble in alcohol, ester, ether and hydrocarbon organic solvents, Insoluble in water.
| Main quality indicators Appearance................................. pale yellow transparent oily liquid Content.................................... 94% - 98% Chroma.................................... 60 Black Zeng Max Fe…………………………Max.0.0003%
Thin packaging and storage 20kg, 25kg PE drum packaging Store at 10-30 ℃ in a cool and ventilated place. |