High-Impact polystyrene (HIPS)

MATERIAL DATA SHEET

The information contained herein is typical and intended for REFERENCE USE ONLY. This information should NOT be used as a basis for design, manufacturing or quality assurance purposes. Please contact us for complete, manufacturer-approved material property data sheets. All values below are at 72°F (23°) unless otherwise noted.



High-Impact polystyrene (HIPS) Specifications

Description

HIPS is a low cost plastic material that is easy to machine and fabricate. HIPS is often specified for low strength structural applications when impact resistance, machinability, and low cost are required. It is frequently used machining pre-production prototypes since it has excellent dimensional stability and is easy to fabricate, paint and glue. Natural (translucent white) HIPS is FDA compliant for use in food processing applications.

Applications

Machined prototypes • Low-strength structural components • Housings • Covers

Advantages of High-Impact Polystyrene (HIPS)

Good impact resistance • Excellent machinability • Good dimensional stability • Excellent aesthetic qualities • Easy to paint and glue • Low cost • FDA compliant

Manufacturing Capabilities

Rod: 1/4” to 8” diameter • Sheet: 1/8” to 4” thick

Color/Grades

Translucent white. • (custom colors available)

Typical Properties of High-Impact polystyrene (HIPS)

UnitsASTM TestResult
Mechanical Properties
Flexural ModuluspsiD790277,000
Flexural Strength @yieldpsiD7906,200
Hardness–Rockwell-D785R95, L60
Gardener Impact @ 73°Fin•lbD3029160
Izod Impact Strength Notched @ 73°Fft•lbs/inD2562.1
Izod Impact Strength Notched @ 0°Fft•lbs/inD2561.2
Tensile Elongation @break%D63852.0
Tensile ModuluspsiD638239,000
Tensile Strength @breakpsiD6383,500
Tensile Strength @yieldpsiD6382,800
Thermal Properties
Coefficient of Thermal Expansionin/in/°FD6965.0x105
Flammability Rating–UL94 @.058”--HB
Heat Deflection Temp @66 psi°FD648189
Heat Deflection Temp @264 psi°FD648165
Other Properties
Specific Gravity-D7921.04
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