BK PA6 Black (PA6)
BOBKAY 6 is a heat stabilized cast nylon grade with a very dense and highly crystalline structure, Compared with conventional extruded or cast nylons, BOBKAY 6 PAB offers superior heat ageing performance in air (much better resistance to thermal oxidative degradation), allowing 15-300 C higher continuously allowable service temperatures. BOBKAY 6 PAB is particularly recommended for bearings and other mechanical parts subject to wear which are operating in air for long periods of time at temperatures over 60 C
 
BK PA6
Subcategory: Nylon; Polymer; Thermoplastic
Key Words: Polyamide
BK PA6
Physical Properties Metric Comments
Specific Gravity 1.14 g/cc ASTM D792
Water Absorption 0.3 % Immersion, 24hr; ASTM
D570(2)
Water Absorption at Saturation 6 % Immersion; ASTM
D570(2)
Hardness, Rockwell M 85 ASTM D785
Hardness, Rockwell R 120 ASTM D785
Tensile Strength, Ultimate 68.3 MPa ASTM D638
Elongation at Break 50 % ASTM D638
Tensile Modulus 3.21 GPa ASTM D638
Flexural Modulus 3.62 GPa ASTM D790
Flexural Yield Strength 103 MPa ASTM D790
Compressive Strength 93.1 MPa 10% Def.; ASTM D695
Compressive Modulus 2.28 GPa ASTM D695
Shear Strength 64.1 MPa ASTM D732
Coefficient of Friction 0.14 Dry vs. Steel; QTM55007
K (wear) Factor 181 x 10-8 mm³/N-M QTM 55010
Limiting Pressure Velocity 0.21 MPa-m/sec 4:1 safety factor; QTM
55007
Izod Impact, Notched 0.534 J/cm ASTM D256 Type A
CTE, linear 68°F 101 Fm/m-°C (-40°F to 300°F); ASTM
E831
Melting Point 216 °C Crystalline, Peak; ASTM
D3418
Maximum Service Temperature, Air 104 °C Long Term
Deflection Temperature at 1.8 MPa (264 psi) 93.3 °C ASTM D648
Flammability, UL94 (Estimated Rating) HB 1/8 inch
 
 
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