Röhm ACRYLITE® Hi-Gloss NTA-1 impact acrylic Acrylic polymer

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Röhm ACRYLITE® Hi-Gloss NTA-1 impact acrylic Acrylic polymer
Categories:	Polymer; Thermoplastic; Acrylic (PMMA); Acrylic, Extruded
Material Notes:	ACRYLITE® Hi-Gloss NTA-1 polymer is an opaque, amorphous, and impact-modified thermoplastic molding and extrusion compound based on polymethyl methacrylate. Typical properties of ACRYLITE® Hi-Gloss acrylic polymers are: excellent weather resistance improved resistance to stress cracking good melt flow rate good polishability impact resistance The special properties of ACRYLITE® Hi-Gloss NTA-1 polymer are: good heat resistance available in a range of opaque colors high melt strength increased impact/break resistance and strength Application: Used for injection molding of automotive parts. Information provided by Roehm America LLC
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Physical Properties	Metric	English	Comments

Specific Gravity	1.18 g/cc	1.18 g/cc	ISO 1183
Water Absorption	>= 3.0 %	>= 3.0 %	saturation, in Water; ISO 62
Melt Flow	3.0 g/10 min @Load 3.80 kg, Temperature 230 °C	3.0 g/10 min @Load 8.38 lb, Temperature 446 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	68.0 MPa	9860 psi	50 mm/min; ISO 527
Elongation at Break	10 %	10 %	Nominal; ISO 527
Elongation at Yield	5.0 %	5.0 %	50 mm/min; ISO 527
Tensile Modulus	2.70 GPa	392 ksi	1 mm/min; ISO 527
Charpy Impact Unnotched	3.30 J/cm²	15.7 ft-lb/in²	ISO 179/1eU

Thermal Properties	Metric	English	Comments
Deflection Temperature at 0.46 MPa (66 psi)	103 °C	217 °F	ISO 75
Deflection Temperature at 1.8 MPa (264 psi)	102 °C	216 °F	ISO 75
Vicat Softening Point	110 °C	230 °F	B / 50; ISO 306
Glass Transition Temp, Tg	120 °C	248 °F	ISO 11357
Glow Wire Ignition Temperature	675 °C	1250 °F	IEC 60695-2

Processing Properties	Metric	English	Comments
Melt Temperature	220 - 250 °C	428 - 482 °F
Mold Temperature	50.0 - 85.0 °C	122 - 185 °F	Injection Molding
Drying Temperature	100 °C	212 °F	Predrying
Dry Time	3.00 - 4.00 hour	3.00 - 4.00 hour	Predrying, Desiccant-Type Drier

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PROHM9344 / 319961

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