Engineering Plastics

Devlon® S Grade

Devlon® S Grade is a premium grade polyamide thermoplastic with a high molecular weight and superior mechanical properties. It is blue in colour.

Typical applications
This material offers optimum performance in rigorous and abrasive applications at ambient temperatures. It is particularly well suited for larger components including bearings, rollers, pulleys, thrust plates, seal rings and gears.

Typical properties of Devlon® S Grade

Tensile strength @ +23°C (+73°F):
81.18MPa (11774psi) - ASTM D638
Tensile strength @ -40°C (-40°F): 109.78MPa ( 15925psi) - ASTM D638
Elongation at break @ +23°C (+73°F): 3.75% - ASTM D638

Hardness to Shore D (Rockwell R):
78/80 (114) - ASTM D785
Flexural strength: 125.28MPa (18170psi) - ASTM D790
Deformation under load for 24 hours - 140kgf/cm² @ +23°C (1991lb/in² @ +73°C): 1.0/2.0% - ASTM D621
Charpy impact strength @ +23°C (+73°C): 57.5J/m (1.08ft-lb/inch) - ASTM D256
Charpy impact strength @ -40C (-40F): 20.32J/m (0.38ft-lb/inch) - ASTM D256
Modulus of elasticity: 4055MPa (588137psi) - ASTM 638
Compressive strength: 140MPa (20305psi) - ASTM 695
Compressive yield strength: 91.2MPa (13227psi) - ASTM 695

Linear thermal expansion coefficient @ +30-100°C (+86-212°F):
1.42 x 10-4 mm/mm/°C (0.79 x 10-4 in/in/°F) - ASTM E831
Melt point: +214°C (+417°F) - ASTM D3418
Deflection temperature under load @ 1.82MPa (264psi): +98°C (+208°F) - ASTM D648
Deflection temperature under load @ 0.445MPa (66psi): +209°C (+408°F) - ASTM D648
Service temperature (short term): +180°C (+356°F) - ASTM D570
Service temperature (long term): +105°C (+221°F) - ASTM D570

Dielectric strength: >15kV/mm (>380kV/inch) - ASTM D149
Specific gravity: 1.14 - ASTM D792
Water absorption @ 24 hours: 0.1% - ASTM D570
Water absorption @ saturation: 3% - ASTM D570
Flammability: V2 Burn Rate - ASTM UL94

How supplied
Custom-designed and precision-manufactured components to meet customers' precise specifications.

For additional information please visit the Devol website