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Kestamid-HS® is Polikim’s cast polyamide with increased heat resistance.

Polymer Name: Polyamide 6 (PA 6)

Physical Form: Rods, Sheets, Tube

Features: Chemical Resistant, Good Machinability, Impact Resistance, Very Good Heat Resistance, Wear Resistant, Wide Temperature Operating Range

Density: 1150.0 - 1150.0 kg/m³

Tensile Modulus: 4000.0 - 4000.0 MPa

Color: Blue

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Additives Included
Chemical Family
Polymer Name
Technologies

Features & Benefits

Key Benefits

Industry Users

  •  Transport
  •  Ship Building
  •  Packaging   
  •  Pharmaceuticals
  •  Steel Mills
  •  Cranes
  •  Conveyors
  •  Power Plants

Applications & Uses

Applications
  • Bearings                                    
  • Gears
  • Roller bearings                           
  • Rollers
  • Wear plates                              
  • Various machine components etc.

Properties

Color
Physical Form
Mechanical Properties
ValueUnitsTest Method / Conditions
Tensile Strength at Break800Kg/cm²527
Tensile Modulus of Elasticity4000Mpa527
Elongation at Breakmin. 20%527
Impact Strength (Charpy, Unnotched)No breakKj/m²179
Compressive Stress950Kg/cm²604
Impact Strength (Izod, Notched)5.6Kj/m²180
Compressive Modulus2700MPa604
K Factor5.0x10^-6mm³/Nm
Coefficient of Friction (Dynamic)0.39
Hardness84Shore D868
Wear Resistance0.44mg/km
Thermal Properties
ValueUnitsTest Method / Conditions
Coefficient of Linear Thermal Expansion8x10^-5°C-111359
Maximum Allowable Service Temperature in Air - Short Term185°C
Melting Temperature220°C
Maximum Allowable Service Continuous Temperature in Air – Continuous125°C
Typical Properties
ValueUnitsTest Method / Conditions
Density1.15g/cm³1183
Water Absorption (Saturation in Water of 23°C)6%62
Electrical Properties
ValueUnitsTest Method / Conditions
Dielectric Coefficient3.760250
Electric Strength25Kv/mm
Volume Resistivitymin. 10^14Ohm-cm60093
Surface Resistivitymin. 10^13Ohms60093
Surface Resistivitymin. 10^13Ohm60093

Technical Details & Test Data

Technical Info

Thermal stabilizer additives increase thermal aging significantly. In operating temperatures over 80°C, it performs with a longer duration compared to other extrusion and cast polyamide types. Its continuous operating temperature increases by 15-30°C compared to Kestamid® and reaches the 125-140°C interval. Thanks to its short term operating temperature that reaches 185-200°C interval, it is used safely in many applications that require heat resistance. In addition to its thermal aging property, it has all other technical assets of Kestamid®. Special additives make it possible to maintain the other technical properties while increasing thermal performance. It is possible to produce its UV resistant type on request.