Envalior

Rxxic Natural

Rxxic Natural is a Polyamide 66 (Nylon 66) grade.
Suitable for: Automotive engine components (intake manifolds, radiator end tanks), Electrical connectors and circuit breakers, Gears, bearings, and bushings (mechanical parts), Industrial cable ties and zip ties.
Key properties: Density 1.140 g/cm³ | Tensile Strength 75 MPa | HDT 55°C at 1.8 MPa.
GradeRxxic Natural
MaterialPA66
ColorNatural
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Material Snapshot

Grade
Rxxic Natural
Material Type
PA66
Manufacturer
Envalior
Brand
Tufnyl
Color
Natural
Density
1.140 g/cm³
Supply Form
Granules

Applications

  • Automotive engine components (intake manifolds, radiator end tanks)
  • Electrical connectors and circuit breakers
  • Gears, bearings, and bushings (mechanical parts)
  • Industrial cable ties and zip ties
  • Textile fibres and bristles
  • Sports equipment (ski bindings, climbing hardware)
  • Food processing equipment (conveyor components)
  • Power tool internal parts

Key Features

  • Higher heat resistance than PA6 (55°C at 1.8 MPa)
  • Excellent mechanical strength and stiffness
  • Good wear and abrasion resistance
  • Better dimensional stability in humid conditions
  • Available in glass-fibre reinforced grades

Mechanical Properties

Impact Strength
Izod Notched: 5 kJ/m²
Tensile Strength
75 MPa
Flexural Strength
110 MPa
Flexural Modulus
2500 MPa

Thermal & Processing

Heat Deflection Temperature
55°C at 1.8 MPa
Melt Temperature Range
Melt: 260°C
Processing Temp
Melt: 260°C

Performance Properties

Mold Shrinkage
1.8%

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