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ACRYLITE® Heatresist hw55

Category:	Acrylic (PMMA) , Polymethyl Methacrylate Acrylic
Manufacturer:	Evonik Cyro LLC
Trademark:	ACRYLITE®
Fillers:	-
Ports:	Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms	FOB, CIF, DAP, DAT, DDP
PDF:	FoFb6b_ACRYLITE-Heatresist-hw55.pdf
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ACRYLITE® Heatresist hw55 acrylic polymer is a copolymer based on methyl methacrylate (MMA) with comonomer constituents for injection molding applications.

Typical properties of ACRYLITE® Heatresist acrylic polymers are:

excellent weather resistance

high light transmission

high mechanical strength

high surface hardness and mar resistance

good melt flow rate

versatile colorability due to crystal clarity

The special properties of ACRYLITE® Heatresist hw55 polymer are:

high heat resistance

high melt strength

improved resistance to isopropyl alcohol

AMECA listed

Application:
Used for injection molding of technical parts for applications subjected to high thermal stress.

General Information
Features	Copolymer Good Colorability Good Flow Good Melt Strength Good Weather Resistance High Clarity High Hardness High Heat Resistance High Strength Scratch Resistant
Uses	Automotive Applications Engineering Parts Lenses Optical Applications
Agency Ratings	EC 1907/2006 (REACH)
Appearance	Clear/Transparent
Forms	Pellets
Processing Method	Extrusion Injection Molding

Physical	Nominal Value	Unit	Test Method
Specific Gravity	1.19	g/cm³	ASTM D792
Melt Mass-Flow Rate (MFR) (230°C/3.8 kg)	1.3	g/10 min	ASTM D1238
Molding Shrinkage - Flow	0.90 to 1.0	%	ASTM D955
Water Absorption (Equilibrium)	< 0.30	%	ASTM D570

Hardness	Nominal Value	Unit	Test Method
Rockwell Hardness (M-Scale)	100		ASTM D785

Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus	3790	MPa	ASTM D638
Tensile Strength	86.2	MPa	ASTM D638
Tensile Elongation			ASTM D638
Yield	2.0 to 4.0	%
Break	2.0 to 4.0	%
Flexural Modulus	3450	MPa	ASTM D790
Flexural Strength	137	MPa	ASTM D790

Impact	Nominal Value	Unit	Test Method
Notched Izod Impact (23°C, 6.35 mm)	13	J/m	ASTM D256

Thermal	Nominal Value	Unit	Test Method
Deflection Temperature Under Load (1.8 MPa, Annealed, 6.35 mm)	106	°C	ASTM D648
Vicat Softening Temperature	119	°C	ASTM D1525
CLTE - Flow (0 to 156°C)	1.0E-4	cm/cm/°C	ASTM D696

Optical	Nominal Value	Unit	Test Method
Transmittance (3200 µm)	92.0	%	ASTM D1003
Haze (3200 µm)	< 1.0	%	ASTM D1003

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