香港陶氏HIPS 470

Product Information * Trademark of The Dow Chemical Company Dow Plastics, a business group of The Dow Chemical Company and its subsidiaries. Properties(2) Test English S.I. Metric Method Value Units Value Units Value Units Physical Melt Flow Rate (200°C/5 kg) ASTM D 1238 3 g/10 min 3 g/10 min 3 g/10 min Specific Gravity ASTM D 792 1.04 1.04 1.04 Linear Thermal Expansion (10-5) 4.2 in/in/°F 7.6 cm/cm/°C 7.6 cm/cm/°C Mold Shrinkage ASTM D 955 0.004 - 0.007 in/in 0.004 - 0.007 cm/cm 0.004 - 0.007 cm/cm UL94 Classification(3) @ 1.5 mm HB HB HB Injection Molded Properties Mechanical Yield Tensile Strength ASTM D 638 3,700 psi 26 MPa 261 kg/cm2 Ultimate Tensile Strength ASTM D 638 3,800 psi 26 MPa 268 kg/cm2 Ultimate Elongation ASTM D 638 50 % 50 % 50 % Flexural Strength ASTM D 790 7,100 psi 49 MPa 500 kg/cm2 Flexural Modulus ASTM D 790 313,000 psi 2,159 MPa 22,042 kg/cm2 Notched Izod @ 23°C ASTM D 256 2.1 ft-lb/in 112 J/m 11.4 kg-cm/cm Compression Molded Properties Mechanical Yield Tensile Strength ASTM D 638 3,100 psi 21 MPa 218 kg/cm2 Ultimate Tensile Strength ASTM D 638 2,500 psi 17 MPa 176 kg/cm2 Ultimate Elongation ASTM D 638 40 % 40 % 40 % Flexural Strength ASTM D 790 5,800 psi 40 MPa 408 kg/cm2 Flexural Modulus ASTM D 790 284,000 psi 1,959 MPa 20,000 kg/cm2 Notched Izod @ 23°C ASTM D 256 1.6 ft-lb/in 85 J/m 8.7 kg-cm/cm Thermal Vicat Softening Point ASTM D 1525 216 °F 102 °C 102 °C Deflection Temperature Under Load @ 1.82 MPa, unannealed ASTM D 648 165 °F 74 °C 74 °C Deflection Temperature Under Load @ 1.82 MPa, annealed ASTM D 648 207 °F 97 °C 97 °C High-Impact Polystyrene Resins STYRON 470 STYRON* 470 is a high-impact polystyrene resin with an excellent balance of toughness, stiffness, flow and heat resistance. It is suitable for both injection molding and extrusion applications. (1) When used unmodified for food contact applications, this resin will comply with Food Additive Regulation 21 CRF 177.1640 under the US Food, Drug, and Cosmetic Act as amended. The uses cited above are subject to Good Manufacturing Practices and any limitations that are part of the regulations. The regulations should be consulted for complete details. (2) Typical properties; not to be construed as specifications. (3) This numerical flammability rating is not intended to reflect hazards presented by this or any other material under actual fire conditions. Main Characteristics • Good practical toughness • Easy processing • UL94HB • FDA compliant(1) Applications • Audio enclosures • Media enclosures • Toys • Food containers