Denka TX-800LF Methyl Methacrylate Styrene Resin

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Denka TX-800LF Methyl Methacrylate Styrene Resin
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Styrene/Methyl Methacrylate Copolymer (SMMA)
Material Notes:	TX Polymer (methyl methacrylate styrene) is an alternative to acrylic resins, with low density, low moisture absorption, and good mold ability. TX has lower moisture absorption/density than acrylic resins, with excellent moldability/thermal stability as well. TX is used for flat display substrates, optical components, and miscellaneous goods. Information provided by Denka Company Limited.
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Physical Properties	Metric	English	Comments

Density	1.111 g/cc	0.04014 lb/in³	ISO 1183
Water Absorption	0.090 %	0.090 %	24 hr equilibrium; ASTM D570
Linear Mold Shrinkage	0.0040 cm/cm @Thickness 2.00 mm	0.0040 in/in @Thickness 0.0787 in	DENKA Method
Melt Flow	1.6 g/10 min @Load 5.00 kg, Temperature 200 °C	1.6 g/10 min @Load 11.0 lb, Temperature 392 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	77	77	ISO 2039-2
Tensile Strength at Break	64.0 MPa	9280 psi	50 mm/min; ISO 527-1,-2
Flexural Strength	113 MPa	16400 psi	2 mm/min; ISO 178
Flexural Modulus	3.40 GPa	493 ksi	2 mm/min; ISO 178
Charpy Impact, Notched	0.200 J/cm²	0.952 ft-lb/in²	ISO 179

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	79.0 °C	174 °F	Flatwise; ISO 75-1, -2
Vicat Softening Point	100 °C @Load 5.10 kg	212 °F @Load 11.2 lb	ISO 306
Flammability, UL94	HB	HB

Optical Properties	Metric	English	Comments
Refractive Index	1.55	1.55	ASTM D542
Haze	0.20 % @Thickness 2.00 mm	0.20 % @Thickness 0.0787 in	ISO 14782
UV Transmittance	92 % @Thickness 2.00 mm	92 % @Thickness 0.0787 in	ISO 13468-1

Processing Properties	Metric	English	Comments
Processing Temperature	190 - 240 °C	374 - 464 °F	Cylinder Temperature
Nozzle Temperature	220 - 240 °C	428 - 464 °F
Mold Temperature	40.0 - 70.0 °C	104 - 158 °F
Drying Temperature	70.0 - 80.0 °C @Time 10800 - 14400 sec	158 - 176 °F @Time 3.00 - 4.00 hour

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PDENJ843 / 250177

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