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TECHNYL® PA 6, PA 66 and PA 66/6

Producer: Solvay
Polymer type PA 6, PA 66, PA 66/6

Technyl® is the benchmark for Polyamide 6.6 compounds.

It provides the answer to all industries’ key needs such as environmental-friendliness through weight reduction and metal substitution, safety through impact absorption or flammability protection, processing simplification, and sustainability, due to its durability, long-term resistance and fluid resilience.

The Technyl® range covers also Polyamide 6 polymers and Polyamide 6, 6.6 co-polymers.

General info

Polyamides are the most used engineering plastics due to their fantastic combination of mechanical and temperature properties at relatively low prices.

Main differences between PA6 and PA66
PA66PA6
Lower water absorption Higher impact resistance
Higher stiffness Better damping
Higher temperature resistance Better processability
Higher abrasion resistance Lower warpage
Higher hydrolysis resistance Better surface quality
  Lower price
Possible flame retardancy
Very good electrical properties
Dimensional stability
Long term heat aging performance
Good toughness even at low temperatures
Excellent cost / performance balance

General Technyl® Polyamides Overview

One of the main polyamide advantages is its possibility for a wide range of modifications by different fillers and additives that improves its key properties.
Type of filler or additiveImproved property
Glass fibres
Mineral fillers
Glass beads
Strength, stiffness
Fatigue, creep
Shrinkage and warpage
HDT, thermal performance
Elastomers
Plasticisers
Impact resistance
Inorganic antioxidants
Organic antioxidants
Thermal stability
Light – UV stability
Nucleation additives Crystallinity
Stiffness
Cycle time
Plasticisers
Lubricants
Flexibility
Processing
Surface quality

Technyl® PA typical applications

Technyl® Polyamides are used in a wide range of different applications in the automotive industry, electrical and lighting, consumer and industrial goods and sports equipment.

Portfolio

Rhodia, the producer of Technyl® PA, offers one of the broadest polyamide portfolios which include:

  • Unfilled grades with different viscosity
  • Glass fibre filled (up to 50%) grades
  • Glass bead filled
  • Mineral filled
  • Combined filling glass/mineral
  • Flame retardant grades with different flame retardant systems
  • With increased thermal stability
  • With high chemical resistance against glycols
  • Grades with very high impact resistance
  • Food contact and drinking water contact approved
  • UV stabilised grades

PA66 Technyl® A Overview

PA6 Technyl® C Overview

PA66/6 Technyl® B Overview

Flame retardant Technyl® PA for electrical and electronic applications.

Polyamide’s intrinsic flammability properties, reaching the UL94 V-2 rating, make it the ideal material for electrical and electronic equipment. When combined with flame retardant additives, polyamide reaches the most demanding levels of fire and electric resistance, meeting UL94 V-0 and glow wire ignition temperatures of 960°C.

The Technyl® PA flame retardant portfolio includes unfilled, mineral filled and glass fibre filled grades with flammability rating UL94 V-2 and V-0 and glow wire ignition temperatures from 775°C up to 960°C. Rhodia uses halogen and red phosphorus free retardant, brominated retardant and red phosphorus retardant systems.

Flame retardant Technyl® Polyamides are used for production of

  • Mini circuit breakers
  • Residual current devices
  • Timers
  • Switches
  • Sockets
  • Industrial plugs
  • Push buttons
  • Household appliance parts
  • Electrical connectors
  • Relays
  • Capacitors

High heat resistant Technyl® PA66

Rhodia developed a new generation of heat resistant Technyl® PA66 HP (Heat Performance). Glass filled grades are especially suitable for under-the food applications where long-term high thermal resistance is crucial. Long-term tests prove that Technyl® HP grades retain high level mechanical properties even after 1,000 hours at 200°C.

Technyl® PA66 glycol resistant grades

Technyl® A grades with high chemical resistance against glycols is a solution for automotive cooling and heating systems. Engine cooling parts are subject to considerable strain on a constant basis, due to a highly aggressive glycol environment and frequent variations in temperature and pressure.

Technyl® glycol resistant polyamides show an outstanding retention of properties after long-term ageing in automotive cooling liquids and are especially suitable for production of cooling and heating radiator systems, header tanks, thermostat components and inlet/outlet pipes.

Impact resistant Technyl® PA6 SI

There are many applications requiring extremely high impact resistance that cannot be met by standard polyamides. Therefore Rhodia developed a new generation of impact modified Technyl® PA6 SI (Super Impact).

Technyl® SI offers unequalled impact / stiffness balance and excellent impact resistance even at low temperatures. Unfilled grades are used for sporting goods, hand tools handles, protection equipments, impact resistant enclosures. Glass filled grades are suitable for production of power tool housing, appliance components, high performance sports equipment and machine components.

Processing

Technyl® PA66 processing

All different kinds of technologies can be used for processing Technyl® A polyamide:

  • Injection moulding
  • Extrusion
  • Blow moulding
  • Water assisted moulding
  • MuCell®
Typical recommended processing temperatures of PA66 Technyl® A.
Technyl® A - PA6.6Melt temperature [°C]Mould temperature [°C]Back pressure [bar]
Unreinforced Technyl® A 270 - 290 60 - 80 50 - 100
Glass fibre reinforced Technyl® A 280 - 300 80 - 120 20 - 50
Mineral filled Technyl® A 270 - 300 80 - 120 50 - 100
Flame retardant Technyl® A 270 - 280 60 - 90 20 - 50
Impact modified Technyl® A 270 - 290 60 - 90 50 - 100

Technyl® PA6 processing

All different kinds of technologies can be used for processing Technyl® C polyamide:

  • Injection moulding
  • Extrusion
  • Blow moulding
  • MuCell®
Typical recommended processing temperatures of PA6 Technyl® C.
Technyl® C - PA6Melt temperature [°C]Mould temperature [°C]Back pressure [bar]
Unreinforced Technyl® C 230 - 250 40 - 80 50 - 100
Glass fibre reinforced Technyl® C 280 - 260 80 - 100 20 - 50
Mineral filled Technyl® C 230 - 260 80 - 100 50 - 100
Flame retardant Technyl® C 230 - 240 40 - 80 20 - 50
Impact modified Technyl® C 230 - 250 40 - 80 50 - 100

Datasheets

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