PARAPET GR-H42 Kuraray Acrylic, Polymethyl Methacrylate

General

Material Status

Commercial: Active

Availability

Asia Pacific

Europe

North America

Forms

Pellets

Physical	Nominal Value	Unit	Test Method
Density		g/cm³	ISO 1183
Melt Mass-Flow Rate (MFR) (230°C/3.8 kg)		g/10 min	ISO 1133
Molding Shrinkage		%	ISO 294-4
Water Absorption (73°F, 24 hr)		%	ISO 62
Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus		psi	ISO 527-2/1A/1
Tensile Stress (Break)		psi	ISO 527-2/1A/5
Tensile Strain (Break)		%	ISO 527-2/1A/5
Flexural Modulus		psi	ISO 178
Flexural Strength		psi	ISO 178
Impact	Nominal Value	Unit	Test Method
Charpy Notched Impact Strength		ft·lb/in²	ISO 179/1eA
Charpy Unnotched Impact Strength		ft·lb/in²	ISO 179/1eU
Hardness	Nominal Value	Unit	Test Method
Rockwell Hardness (M-Scale)			ISO 2039-2
Thermal	Nominal Value	Unit	Test Method
Heat Deflection Temperature (264 psi, Annealed)		°F	ISO 75-2/A
Vicat Softening Temperature		°F	ISO 306/B50
Electrical	Nominal Value	Unit	Test Method
Surface Resistivity		ohms	IEC 60093
Volume Resistivity		ohm·cm	IEC 60093
Dielectric Constant (60 Hz)			IEC 60250
Electric Strength		V/mil	IEC 60243-1
Flammability	Nominal Value	Unit	Test Method
Flame Rating - UL			UL 94
Optical	Nominal Value	Unit	Test Method
Refractive Index			ISO 489
Additional Information
Light Transmission, ISO 13468-1, 3 mm: >91% Haze, ISO 14782, 3 mm: <1.4%
Related Terminology
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Injection	Nominal Value	Unit
Drying Temperature		°F
Drying Time		hr
Rear Temperature		°F
Middle Temperature		°F
Front Temperature		°F
Mold Temperature		°F
Injection Pressure		psi

Notes

¹Typical properties: these are not to be construed as specifications.

PARAPET GR-H42

Polymethyl Methacrylate Acrylic

Supplied by Kuraray America, Inc.