Dow STYRON® 421 High Impact Polystyrene
Subcategory: Polystyrene; Thermoplastic
Key Words: HIPS
Material Notes: STYRON® 421 high impact polystyrene resin is typically used for cups, packaging and other applications. If offers excellent rigidity, good gloss, good toughness, excellent extrusion performance, and high heat resistance. When used unmodified for the manufacture of food contact articles STYRON 421 complies with the US Food, Drug and Cosmetic Act and Food Additive Regulation 21 CFR 177.1640. The regulation should be consulted for complete details. Data provided by Dow Chemical.
Available Properties |
- Density
- Linear Mold Shrinkage
- Melt Flow
- Hardness, Rockwell R
- Tensile Strength, Ultimate
- Tensile Strength, Yield
- Elongation at Break
- Elongation at Yield
- Tensile Modulus
- Izod Impact, Notched
- Charpy Impact Unnotched
- Charpy Impact, Notched, Low Temp
- Charpy Impact, Unnotched Low Temp
- Charpy Impact, Notched
- CTE, linear 20°C
- Deflection Temperature at 0.46 MPa (66 psi)
- Deflection Temperature at 1.8 MPa (264 psi)
- Vicat Softening Point
- Flammability, UL94
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Property Data |
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