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Devlon - Model A153 -High-Viscosity Grade of Nylon 66
Devlon A153 is a specially formulated high-viscosity grade of Nylon 66 with superior wear characteristcs. It is yellow in colour. With its improved impact strength and rigidity, this material offers customers a high degree of design reliability when component strength, weight and size are critical. In addition, Devlon A153 has a significantly lower coefficient of linear expansion than normal Nylon 66, which enables customers` components to maintain their dimensional tolerances and clearances more accurately during thermal cycling. This benefit is backed by a long-term service temperature of 100°C, which is significantly higher than that for normal Nylon 66.
Typical applications
This material is well proven in a wide range of industrial applications, including journal bearings, thrust washers, bearing cages, rollers/wheels, piston seals and wear pads.
Typical properties of Devlon® A153
Tensile strength @ +23°C (+73°F): 82.74MPa (12000psi) - ASTM D638
Hardness to Shore D (Rockwell R): 80/85 (112/120) - ASTM D785
Flexural strength: 82.37MPa (11946psi) - ASTM D790
Deformation under load for 24 hours - 140kgf/cm² @ +23°C (1991lb/in² @ +73°C): 1.0/3.0% - ASTM D621
Modulus of elasticity: 2746MPa (398274psi) - ASTM 638
Linear thermal expansion coefficient @ +30-100°C (+86-212°F):
0.7 x 10-4 mm/mm/°C (0.39 x 10-4 in/in/°F) - ASTM E831
Melt point: +260°C (+500°F) - ASTM D3418
Deflection temperature under load @ 1.82MPa (264psi): +100°C (+212°F) - ASTM D648
Deflection temperature under load @ 0.445MPa (66psi): +190°C (+374°F) - ASTM D648
Service temperature (short term): +170°C (+338°F) - ASTM D570
Service temperature (long term): +100°C (+212°F) - ASTM D570
Dielectric strength: >12kV/mm (>305kV/inch) - ASTM D149
Specific gravity: 1.14 - ASTM D792
Water absorption @ 24 hours: 0.6%/1.5% - ASTM D570
Flammability: Self-extinguishing - ASTM UL94