Kolon SPESIN® KP212VO Flame Retardant PBT Resin

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Kolon SPESIN® KP212VO Flame Retardant PBT Resin (discontinued **)
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Flame Retardant
Material Notes:	SPESIN® is a thermoplastic PBT resin with excellent thermal, mechanical and electrical properties. SPESIN® is widely used in industrial parts and especially in electrical-electronic parts. High heat stability, outstanding abrasion resistance, excellent electrical properties, good surface gloss, low water absorption, excellent chemical resistance, good processability Information provided by US distributor, API-Kolon.
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Physical Properties	Metric	English	Comments

Density	1.41 g/cc	0.0509 lb/in³	DIN 53479; ASTM D792
Water Absorption	0.060 %	0.060 %	DIN 53475; ASTM D570
Linear Mold Shrinkage	0.018 - 0.026 cm/cm	0.018 - 0.026 in/in	ASTM D955

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	119	119	DIN 53505; ASTM D785
Tensile Strength, Ultimate	63.7 MPa	9250 psi	DIN 53455; ASTM D638
Elongation at Break	30 %	30 %	DIN 53455; ASTM D638
Flexural Yield Strength	118 MPa	17100 psi	DIN 53455; ASTM D790
Flexural Modulus	3.04 GPa	441 ksi	DIN 53452; ASTM D790
Izod Impact, Notched	0.392 J/cm	0.735 ft-lb/in	DIN 53453; ASTM D256

Electrical Properties	Metric	English	Comments
Dielectric Constant	3.2 @Frequency 1e+6 Hz	3.2 @Frequency 1e+6 Hz	ASTM D150/DIN 53483
Dielectric Strength	25.0 kV/mm	635 kV/in	ASTM D149/DIN 53481
Arc Resistance	85 sec	85 sec	ASTM D495

Thermal Properties	Metric	English	Comments
CTE, linear	70.0 µm/m-°C @Temperature 20.0 °C	38.9 µin/in-°F @Temperature 68.0 °F	DIN 53752; ASTM D696
Melting Point	224 °C	435 °F	DIN 53736; ASTM D789
Deflection Temperature at 0.46 MPa (66 psi)	165 °C	329 °F	DIN 53461; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	55.0 °C	131 °F	DIN 53461; ASTM D648
Flammability, UL94	HB	HB

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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