Trinseo CALIBRE™ 893-20 Polycarbonate

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Trinseo CALIBRE™ 893-20 Polycarbonate (discontinued **)
Categories:	Polymer; Thermoplastic; Polycarbonate (PC)
Material Notes:	CALIBRE™ 893-20 resin provides superior ignition resistance in opaque applications. Applications: Portable/cellular phones Pagers Data Enclosures Computer housings, keyboards Structural components Business equipment Information provided by Dow
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Physical Properties	Original Value	Comments

Specific Gravity	1.20 g/cc	ASTM D792
Water Absorption	0.15 %	23°C, 24hrs; ASTM D570
Moisture Absorption at Equilibrium	0.32 %	23°C, 50% RH; ASTM D570
Linear Mold Shrinkage	0.0050 - 0.0070 cm/cm	ASTM D955
Melt Flow	19 g/10 min @Load 1.20 kg, Temperature 300 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	59	ASTM D785
Hardness, Rockwell R	123	ASTM D785
Tensile Strength, Ultimate	8500 psi	50 mm/min; ASTM D638
Tensile Strength, Yield	8900 psi	50 mm/min; ASTM D638
Elongation at Break	115 %	50 mm/min; ASTM D638
Tensile Modulus	345000 psi	50 mm/min; ASTM D638
Flexural Strength	14200 psi	3-points, 2 mm/min; ASTM D790
Flexural Modulus	338000 psi	3-points, 2 mm/min; ASTM D790
Izod Impact, Notched	13.0 ft-lb/in	ASTM D256
Tensile Impact	280 ft-lb/in	ASTM D1822
Dart Drop, Total Energy	62.0 J	8000 ipm; ASTM D3763

Thermal Properties	Original Value	Comments
CTE, linear	36.0 µin/in-°F @Temperature -40.0 - 82.2 °C	ASTM D696
Deflection Temperature at 0.46 MPa (66 psi)	279 °F	annealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	260 °F	annealed; ASTM D648
Vicat Softening Point	304 °F	50°C/hr, 50N; ASTM D1525
Flammability, UL94	V-0 @Thickness 1.59 mm
	V-0 @Thickness 3.17 mm
Oxygen Index	36 %	ISO 4589-2

**
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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