Leader in machined plastics and resin bonded fabrics Engineering plastics and composites

Thermoplastic Materials for Engineering Components

 

Acetals (Polyacetal) POM

Hard, rigid and resilient with good impact strength. Low co-efficient of friction. Wear resistance is less than nylon but has lower water absorption and better dimensional stability. Machines to a burr-free finish. Colour:- White, Black.

Size range:-

  • Rod - 4 to 200iameter.
  • Sheet - 2 to 80mm thick.
  • Tube - 25 to 260mm outside diameter; 3.5 to 72mm wall.

 

Acrylic (PolymethylMethacrylate) PMMA

Weather-resistant cast thermoplastic. Low water absorption. Good optical properties for signs, nameplates and precision components. Colour:- Various, also Clear and Opal.

Size range:-

  • Rodd - 2 to 200mm diameter.
  • Sheet - 2 to 25mm thick.
  • Tube - 7 to 250mm outside diameter; 1 to 5mm wall.

 

NYLONS (Polyamide) PA

Types of Nylon Available:

 

Nylon Type 6 extruded

General purpose grade. Tough and mechanically strong. Good impact and wear resistance. Colour:- Natural

Size range:-

  • Rod - 6 to 320mm diameter.
  • Sheet - 0.3 to 100mm thick.
  • Tube - 25 to 260mm outside diameter; 3.5 to 65mm wall.

 

Nylon Type 6 cast

Improved hardness and stiffness. High compressive and flexural strengths. Colour:- White

Size range:-

  • Rod - 50 to 500mm diameter.
  • Sheet - 10 to 100mm thick.
  • Tube - 50 to 6O0mm outside diameter; 10 to 185mm wall.

 

Nylon Type 6 cast+ MoS2 (Molybdenum Disulphide)

Improved bearing characteristics over Type6 cast. Colour: Black

Size range:-

  • Rod - 50 to 500mm diameter.
  • Sheet - 10 to 100mm thick.
  • Tube - 50 to 6O0mm outside diameter; 10 to 185mm wall.

 

Nylon Type 66 extruded

Highest temperature resistance. Excellent stiffness and hardness. Lower impact strength. Machines better than Type 6 extruded. Colour: Ivory

Size range:-

  • Rod - 4 to 200mm diameter (or ground to size}.
  • Sheet - 2 to 50mm thick.
  • Tube - 25 to 260mm outside diameter; 3.5 to 72mm wall.

 

Nylon Type 6 extruded+ MoS2 (Molybdenum Disulphide)

Highest temperature resistance. Excellent stiffness and hardness. Lower impact strength. Machines better than Type 6 extruded. Colour: Black

Size range:-

  • Rod ? 6 to 260mm diameter (or ground to size).
  • Sheet - Not available.
  • Tube - 25 to 260mm outside diameter; 3.5 to 72mm wall.

 

Nylon Type 12 extruded

Highest temperature resistance. Excellent stiffness and hardness. Lower impact strength. Machines better than Type 6 extruded. Colour: Natural

Size range:-

  • Rod - 20 to 125mm diameter.
  • Sheet - 20 to 50mm thick.
  • Tube - Subject to special enquiry.

 

Oil Filled Nylon

Self-lubricating nylon with non-toxic lubricant built-in during casting. This lubricant becomes an integral part of the material and will not spin, drain or dry out. Conventional nylons are excellent bearing materials but the oil filled version offers a lower coefficient of friction, higher load carrying capacity, less stick-slip and longer life. It can outlast conventional or MoS2 filled nylons by a factor of five or more.

Size range:-

  • Rod - 10 to 500mm diameter.
  • Sheet - 8 to 100mm thick.
  • Tube - 50 to 250mm outside diameter; 10 to 27mm wall. Larger tubes subject to special enquiry.

 

 

PEEK (Polyetheretherketone)

A high performance thermoplastic for use up to 250°C or above. It has good creep properties, with excellent bearing performance and has excellent chemical, hydrolysis and radiation resistance. Colour: Black

Size range:-

  • Rod - 6 to 150mm diameter.
  • Sheet - 8 to 50mm thick.
  • Tube - Subject to special enquiry.


Thermoplastics, machined components, plastic laminates

 

PETP (Polyethylene terephthalate)

A hard rigid thermoplastic with low coefficient of friction and high creep resistance. Wear performance similar to extruded nylon types 6 and 66. Comparable to acetal in its dimensional stability, chemical resistance and low water absorption. Colour: Cream

Size range:-

  • Rod - 10 to 180 outside diameter.
  • Sheet - 10to 50mm thick.
  • Tube - Subject to special enquiry.

 

Polycarbonate PC

Extremely high impact strength and excellent transmission of light. Good mechanical and insulating qualities. Low water absorption. Colour: Clear (transparent and opal)

Size range:-

  • Rod - 6 to 200 diameter.
  • Sheet - 10 to 100mm thick (PE film covered on both sides).
  • Tube - Not available.

 

Polyethylene PE

Types of Polyethylene Available:

 

Type 3OO-HDPE (High Density-PE)

Lightweight, with negligible water absorption and non-stick properties. Low coefficient of friction, good abrasion and chemical resistance. Good mechanical and electrical properties. Colour: Natural and Black

Size range:-

  • Rod - 10 to 500mm diameter.
  • Sheet - 1 to 30mm thick.
  • Tube - Not available.

 

Type 500-HMW-PE (High molecular weight-PE)

Improved resistance to cold, stress cracking, wear, abrasion and shock. Also has higher tensile strength and is lighter. Colour: Natural

Size range:-

  • Rod - 10 to 300mm diameter.
  • Sheet ? 10 to 100mm (Pressed).
  • Tube - Not available.

 

Type 1OOO-UHMW-PE (Ultra high molecular weight-PE)

Further improved in resistance to cold, stress cracking, wear, abrasion and shock. Tensile strength lower than Type 500. Colour: Natural and Black

Size range:-

  • Rod - 10 to 200mm.
  • Sheet - 8 to 70mm thick.
  • Tube - Not available.

 

 

Polypropylene PP

Versatile extruded material with high softening temperature. Excellent resistance to many chemicals and to steam sterilisation. Machines well. Colour: White, Beige

Size range:-

  • Rod - 8 to 500mm diameter.
  • Sheet - 1.5 to 12mm thick (Pressed: 10 to 120mm thick).
  • Tube - Not available.

 

Rigid Polyurethane (TUFSET) PU

High quality rigid polyurethane specially formulated for Tufnol Composites Ltd. Good electrical and mechanical strength. Low water absorption, good dimensional stability and a hard, abrasion-resistant surface with low friction. Machines to an excellent burr-free finish. Is not brittle at sub-zero temperatures.

Size range:-

  • Rod - 10 to 150mm diameter.
  • Sheet - 10 to 100mm thick.
  • Tube - Not available.

 

PTFE (Polytetrafluoroethylene)

Unique, non-stick surface and very low frictional properties combined with high chemical and electrical resistance across a temperature range from -200°C to +260°C. Colour: White

Size range:-

  • Rod - 4 to 200mm diameter.
  • Sheet - 1 to 50mm thick.
  • Tube - Subject to special enquiry.

 

PVC (Polyvinyl Chloride)

An, extruded rigid thermoplastic which resists corrosion, chemical, oil and water. It has good electrical insulating properties. Colour: Grey, Red Black, Ivory

Size range:-

  • Rod - 6 to 300mm diameter.
  • Sheet - 1 to 50mm thick.
  • Tube - Subject to special enquiry.

 

PVDF (Polyvinylidene fluoride)

A thermoplastic material with high chemical resistance and better mechanical properties that PTFE. Also gives better wear resistance. Colour: White

Size range:-

  • Rod - 10 to 500mm diameter.
  • Sheet - 1 to 10mm thick (Pressed: 10 to 80mm thick).
  • Tube - Subject to special enquiry.