LNP VALOX® SMV5871 Polybutylene Terephthalate, 20% Mineral Filler

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LNP VALOX® SMV5871 Polybutylene Terephthalate, 20% Mineral Filler (discontinued **)
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Mineral Filled
Material Notes:	Will be VM720. Features: Low Warpage, Good Dimensional Stability, High Strength Forms: Pellets Processing Method: Injection Molding Information provided by LNP, a GE Plastics Company. This data sheet is labeled Discontinued; however many LNP grades are still active under new names instituted after the SABIC purchase.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.48 g/cc	1.48 g/cc	ASTM D792
Linear Mold Shrinkage	0.013 - 0.015 cm/cm @Thickness 3.18 mm	0.013 - 0.015 in/in @Thickness 0.125 in	ASTM D955
Linear Mold Shrinkage, Transverse	0.012 - 0.014 cm/cm @Thickness 3.18 mm	0.012 - 0.014 in/in @Thickness 0.125 in	ASTM D955

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	55.2 MPa	8010 psi	Type I, 5 mm/min; ASTM D638
Elongation at Break	2.4 %	2.4 %	Type I, 5 mm/min; ASTM D638
Tensile Modulus	4.83 GPa	701 ksi	5 mm/min; ASTM D638
Flexural Strength	100 MPa	14500 psi	50.8 mm Span, 1 mm/min; ASTM D790
Flexural Modulus	4.65 GPa	674 ksi	(50.8 mm Span) 1mm/min; ASTM D790
Izod Impact, Notched	0.267 J/cm	0.500 ft-lb/in	ASTM D256
	1.90 J/cm	3.56 ft-lb/in	Reverse; ASTM D256
Izod Impact, Unnotched	3.10 J/cm	5.81 ft-lb/in	ASTM D256
Falling Dart Impact	5.08 J	3.75 ft-lb	ASTM D3763

Thermal Properties	Metric	English	Comments
CTE, linear	47.0 µm/m-°C @Temperature -40.0 - 38.0 °C	26.1 µin/in-°F @Temperature -40.0 - 100 °F	ASTM D696
	61.0 µm/m-°C @Temperature 60.0 - 138 °C	33.9 µin/in-°F @Temperature 140 - 280 °F	ASTM D696
CTE, linear, Transverse to Flow	50.0 µm/m-°C @Temperature -40.0 - 38.0 °C	27.8 µin/in-°F @Temperature -40.0 - 100 °F	ASTM D696
	88.0 µm/m-°C @Temperature 60.0 - 138 °C	48.9 µin/in-°F @Temperature 140 - 280 °F	ASTM D696
Deflection Temperature at 0.46 MPa (66 psi)	193 °C @Thickness 3.18 mm	379 °F @Thickness 0.125 in	Unannealed; ASTM D648
	202 °C @Thickness 6.35 mm	396 °F @Thickness 0.250 in	Unannealed; ASTM D648

Processing Properties	Metric	English	Comments
Rear Barrel Temperature	243 - 254 °C	469 - 489 °F
Middle Barrel Temperature	249 - 260 °C	480 - 500 °F
Front Barrel Temperature	254 - 266 °C	489 - 511 °F
Nozzle Temperature	254 - 271 °C	489 - 520 °F
Melt Temperature	254 - 277 °C	489 - 531 °F
Mold Temperature	65.6 - 93.3 °C	150 - 200 °F
Drying Temperature	121 °C	250 °F
Dry Time	3 - 12 hour	3 - 12 hour
Moisture Content	0.020 %	0.020 %	Suggested
Back Pressure	0.345 - 0.689 MPa	50.0 - 99.9 psi
Clamp Pressure	41.0 - 83.0 MPa	5950 - 12000 psi
Shot Size	40 - 80 %	40 - 80 %	Suggested
Vent Depth	0.00250 - 0.00380 cm	0.000984 - 0.00150 in
Screw Speed	50 - 80 rpm	50 - 80 rpm

**
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PZLNP1373 / 51455

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