RAMTAL PM8427 Polyram Acetal (POM) Copolymer

Product Description

IMPACT MODIFIED POLYACETAL FOR INJECTION MOULDING APPLICATIONS, MFI 9.

General

Material Status

Availability

Additive

Features

Processing Method

Physical	Nominal Value	Unit	Test Method
Specific Gravity
--			ASTM D792
--		g/cm³	ISO 1183
Melt Mass-Flow Rate (MFR) (190°C/2.16 kg)		g/10 min	ASTM D1238, ISO 1133
Molding Shrinkage
Flow		in/in	ASTM D955
--		%	ISO 2577
Water Absorption
Saturation		%	ASTM D570
Saturation, 73°F		%	ISO 62
Mechanical	Nominal Value	Unit	Test Method
Tensile Strength (Yield)		psi	ASTM D638, ISO 527-2
Tensile Elongation (Break)		%	ASTM D638, ISO 527-2
Flexural Modulus		psi	ASTM D790, ISO 178
Flexural Strength		psi	ASTM D790, ISO 178
Impact	Nominal Value	Unit	Test Method
Notched Izod Impact
73°F		ft·lb/in	ASTM D256
73°F		ft·lb/in²	ISO 180
Hardness	Nominal Value	Unit	Test Method
Rockwell Hardness (R-Scale)			ASTM D785, ISO 2039-2
Thermal	Nominal Value	Unit	Test Method
Deflection Temperature Under Load
66 psi, Unannealed		°F	ASTM D648, ISO 75-2/B
264 psi, Unannealed		°F	ASTM D648, ISO 75-2/A
Melting Temperature		°F	ISO 11357-3, ASTM D3418
Electrical	Nominal Value	Unit	Test Method
Surface Resistivity		ohm	IEC 60093
Volume Resistivity		ohm·cm	IEC 60093
Dielectric Constant (1 MHz)			IEC 60250
Electric Strength		V/mil	IEC 60243-1
Flammability	Nominal Value	Unit	Test Method
Flame Rating - UL (0.118 in)			UL 94
Flammability		in/min	FMVSS 302
Related Terminology
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Notes

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

RAMTAL PM8427