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Kestamid-GRF® has a high degree of crystallinity and better hardness and compression strength properties compared to standard Kestamid®. It has a low coeffient of friction and a high degree of abrasion resistance. It has good weatherability and UV resistance properties and can be more easily mechanically machined compared to standard Kestamid®. It also can be used in higher temperatures compared again to the standard type.

Polymer Name: Polyamide 6 (PA 6)

Fillers Included: Graphite

Technical Data Sheet
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Identification & Functionality

Chemical Family
Fillers Included
Polymer Name
Technologies

Features & Benefits

Key Benefits
  • High mechanical strength, hardness & rigidity
  • Good creep resistance
  • Excellent dimensional stability
  • Good wear resistance
  • Low thermal expansion
  • Low moisture-absorption

Applications & Uses

Markets
Plastics & Elastomers End Uses
Applications
  •  Wear rings
  •  Thrust washers
  •  Split Bearings
  •  Bushes Vanes

Properties

Color
Mechanical Properties
ValueUnitsTest Method / Conditions
Impact Strength (Charpy, Unnotched)No breakKj/m²179
Tensile Strength at Break750Kg/cm²527
Tensile Modulus of Elasticity4100Mpa527
Impact Strength (Izod, Notched)5Kj/m²180
Elongation at Breakmin. 20%527
Compressive Stress1050Kg/cm²604
Compressive Modulus3000MPa604
Wear Resistance0.2mg/km-
Coefficient of Friction (Dynamic)0.15--
Hardness85Shore D868
K Factor1.2x10^-6mm³/Nm-
Typical Properties
ValueUnitsTest Method / Conditions
Density1.15g/cm³1183
Water Absorption (Saturation in Water of 23°C)5%62
Thermal Properties
ValueUnitsTest Method / Conditions
Maximum Allowable Service Temperature in Air - Short Term175°C-
Melting Temperature220°C-
Maximum Allowable Service Continuous Temperature in Air – Continuous115°C-
Coefficient of Linear Thermal Expansion8x10^-5°C-111359