Chemical foaming agent. Characterized by exothermic decomposition. Used for injection molding and extrusion applications. It is intended for sink mark removal and wrap reduction in injection molded applications. XO- 331 is designed for PVC to produce controlled gas yields and obtain uniform cell structure. Maximum gas yields are achieved when processing temperatures of 245- 250°C ( 510-580°F) are reached. Recommended usage
level for injection molding and extrusion is 1.0- 2.5% and 0.25- 2.5% respectively.
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| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Decomposition Temperature | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Processing temperatures | 0.0 Visible After Login | Visible After Login | Visible After Login |