Redwood Plastics REDCO™ TUFFKAST 020 High Performance Plastic Material

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Redwood Plastics REDCO™ TUFFKAST 020 High Performance Plastic Material
Categories:	Polymer
Material Notes:	Redco™ Tuffkast has a combination of strength and resilience resulting in a high performance plastic that offers excellent wear and abrasion resistance with rigidity, minimal water absorption and superior impact values. Ideal for harsh environments where excessive weight, water saturation, abrasion, shock and impact are factors. Special formulation for sawmill carriage wheel applications. Wear Plates Valve Seals Sprockets Bearings Bushings Sheaves Washers Spacers Insulators Clevis Pins Ring Gears Barker Parts Canter Parts Carriage Parts Gland Bushings Sliding Bearings Chip-n-saw Parts Forklift Mast Slides Log Handling Parts Bushings for Cylinders/ Information provided by Redwood Plastics and Rubber
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Physical Properties	Metric	English	Comments

Density	1.13 g/cc	0.0408 lb/in³	ASTM D792
Water Absorption	0.50 - 2.0 %	0.50 - 2.0 %	Equilibrium
	0.20 - 0.30 % @Time 86400 sec	0.20 - 0.30 % @Time 24.0 hour

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	74 - 78	74 - 78	ASTM D2248
Tensile Strength	55.2 - 65.5 MPa @Time 86400 sec	8000 - 9500 psi @Time 24.0 hour	ASTM D638
Elongation at Break	50 - 80 %	50 - 80 %	ASTM D638
Tensile Modulus	2.69 GPa	390 ksi	ASTM D638
Flexural Strength	110 MPa	16000 psi	ASTM D790
Flexural Modulus	2.21 GPa	320 ksi	ASTM D790
Compressive Strength	75.8 MPa	11000 psi	10% Deflection; ASTM D695
Izod Impact, Notched	1.17 - 1.60 J/cm	2.20 - 3.00 ft-lb/in	ASTM D256
Coefficient of Friction, Dynamic	0.20 - 0.30	0.20 - 0.30	Dry vs. Steel

Electrical Properties	Metric	English	Comments
Dielectric Constant	3.7 @Frequency 60 Hz	3.7 @Frequency 60 Hz	ASTM D150
	3.7 @Frequency 100000 Hz	3.7 @Frequency 100000 Hz	ASTM D150
Dielectric Strength	19.7 - 23.6 kV/mm	500 - 600 kV/in	short time; ASTM D149

Thermal Properties	Metric	English	Comments
CTE, linear	55.0 µm/m-°C	30.6 µin/in-°F	ASTM D696
Melting Point	220 °C	428 °F	ASTM D789
Maximum Service Temperature, Air	104 - 121 °C	220 - 250 °F	Continuous
	138 - 149 °C	280 - 300 °F	Intermittent
Flammability, UL94	V-2	V-2

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PREDW039 / 296605

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