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2 5-Dimethyl-2 5-Di(Tert-butyl peroxide)hexane DBPH cas no.78-63-7 DBPH vulcanzing agent for silicone rubber

Type of posting Offer
Category Rubber Auxiliary Agents
City / Port Tianjin, CN, China
Price USD 8.8 ~ 9.8 per Unit
Address yueyangli CBD,Binhai New area
Description 2 5-Dimethyl-2 5-Di(Tert-butyl peroxide)hexane DBPH cas no.78-63-7 DBPH vulcanzing agent for silicone rubber
Chemical name 2,5-Dimethyl-2,5-Di(Tert-butyl peroxide)hexane
Molecular formula C16H34O4
Molecular weight 290.44
CAS NO. 78-63-7
UN NO. 3105
CN NO. 52005
EINECS. 201-128-1
Brief Introduction：
DBPH is a low volatility, yellowish liquid , dialkyl peroxide for cross linking of elastomers (silicone rubber, EPDM, PE etc.).
Mp 8 ℃, relative density 0.8650, refractive index 1.4185 (28 ℃), flash point: closed / 36 ℃, open / 58 ℃, 80 self-accelerating decomposition temperature ℃. not soluble in water, soluble in alcohols, esters, ethers, hydrocarbons and organic solvents, has a special smell. Active oxygen Content 11.02%.
Half life Data:
Activation Energy……36.0kcal/mole
10hr,Half Life Temp. ………………118℃
1hr,Half Life Temp. …………………138℃
1min,Half Life Temp ………………177℃

Specification：

Test Item Limit
Assay Min.93%
Color Max.90Hazen
Fe Max.0.0003%

Application Condition：
As Cross linking Agent, the temperature over 90 degrees Celsius, the amount of 1.2-2.5% (depending on different types of elastomers required).

Package and Storage：
20kg or 25kg, net, PE drum.
10～30℃ stored under shadow, good air circulation. Transportation, exposure and strenuous exercise should be avoided. Refrain from heat and acid, reducing agent such as during storage or shipment.
Date 2015 Oct 1, 10:10