1.Product Name: 2,5‑Dimethyl‑2,5‑di‑(tert‑butylperoxy) hexane/ DBPH
2.Molecular Formula: C16H34O4
3.Molecular Weight: 290.45
4.CAS No.: 78‑63‑7
5.Boiling Point: 50~52℃(13Pa)
6.Flash Point (Opened cup):55‑58℃
7.Density: 0.87g/cm³
8.Technological Index
| Appearance | Active Ingredients | Vulcanization Method | Operating temperature | Anti‑yellowing performance |
|---|
| Molded | Squeeze out | Calender | Not anti‑yellowing | General anti‑yellowing | High resistance to yellow |
|---|
Light yellow transparent liquid with slight pungent smell | Contains about 95% bis‑pentaperoxide | ● |
|
| 165℃‑185℃ | ● |
|
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9.Application and Usage
It is a very stable peroxide with low volatility. It can be used as an effective high‑temperature vulcanizing agent for silicone rubber. It can also be used for vulcanization of EPDM rubber, fluoro rubber vulcanization and cross‑linked polyethylene, and as a PP degradation agent. The recommended use ratio is 0.4%‑0.6% and vulcanization temperature is 160℃‑ 175℃.
10.Package, Storage and Handling
N.W 25KG/Barrel.
Avoid high temperature, direct sunlight, keep away from fire, acidic substances, metal oxides, amine substances and flammable materials. It is suitable to store at room temperature 30 ℃ .Be careful when loading and unloading to avoid damages of the package.