Calprene® 405 by Dynasol is a 67/33 butadiene/styrene thermoplastic copolymer grade. Polymerized in solution and having a radial structure. Insoluble in water while soluble in organic solvents. Exhibits high porosity and easy dispersion. Presented in porous crumb form, which gives good oil absorption. Suitable for bitumen modification, footwear, mechanical rubber goods and sportswear. Calprene® 405 complies with REACH (Registration, Evaluation Authorization and Restriction of Chemicals), EINECS (European Inventory of Existing Commercial Substances), TSCA (Toxic Substances Control Act), US Environmental Protection Agency), HSDB (US National Library of Medicine) and RTECS (US Dept. of Health & Human Services).
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Calprene® 405 properties
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Hardness, Shore A | 0.0 Visible After Login | Visible After Login | Visible After Login |
Optical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Yellowness Index | 0.0 Visible After Login | Visible After Login | Visible After Login |
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Ash Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
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| Volatile Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
Physical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Insolubles in toluene | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Total styrene | 0.0 Visible After Login | Visible After Login | Visible After Login |