PA6.6 – Polyamide 6.6

PA6.6 is an engineering-grade polyamide with higher surface hardness, greater rigidity and a higher continuous service temperature than PA6. It offers excellent strength and hardness across a wide temperature range, very good antifriction properties and good machinability. Available in standard unreinforced grade and in a 30% glass fibre reinforced grade for demanding structural and thermal applications.
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PA6.6 – Polyamide 6.6

PA6.6 is produced by polycondensation and belongs to the polyamide family alongside PA6 and cast PA6C. Compared to PA6, PA6.6 offers a slightly higher surface hardness and rigidity, reduced moisture absorption and improved wear and heat resistance. These properties make it the preferred polyamide grade for applications that demand dimensional stability at elevated temperatures and consistent mechanical performance across a wide operating range.

PA6.6 maintains its strength and hardness exceptionally well across a wide temperature range, including at elevated operating temperatures where standard PA6 begins to lose stiffness. Combined with its good weldability and self-adhesive properties, it is used in mechanical engineering, aircraft construction, the electrical appliance industry, the automobile industry and equipment manufacturing.

For applications requiring even greater rigidity and dimensional stability, PA6.6 GF30 is available. The 30% glass fibre reinforcement significantly increases rigidity and heat resistance while reducing moisture absorption further. PA6.6 GF30 is supplied in black in sheets and round bars.

High Strength and Hardness Across Temperature Range

Exceptionally high strength and hardness maintained across a wide range of operating temperatures

High Continuous Service Temperature

Higher heat resistance than PA6, suitable for applications at elevated operating temperatures

High Abrasion Resistance

Suitable for wear parts and sliding components subject to sustained friction and abrasion

Very Good Antifriction Properties

Low coefficient of friction for bearing and sliding applications in mechanical engineering

Very Good Machinability

Consistent material homogeneity results in reliable CNC turning, milling and drilling performance

Good Weldability and Self-Adhesion

Suitable for welded assemblies and bonded constructions in structural applications

Available Product Forms

PA6.6 is available in sheets and round bars in both standard unreinforced and GF30 glass fibre reinforced grades. Log in to check live stock availability, pricing and lead times for your specific dimensions.

Sheets

PA6.6 standard grade available in 3000x610 mm format, thicknesses 8 to 100 mm. PA6.6 GF30 available in 3000x625 mm format, thicknesses 10 to 100 mm.

Round Bars

PA6.6 standard grade in diameters from 6 to 250 mm in 3000 mm lengths. PA6.6 GF30 in diameters from 10 to 200 mm in 3000 mm lengths.

Cut-to-Size

Custom cut to your exact dimensions from standard sheet or bar stock in both grades.

Finished Parts

CNC-machined parts to your technical drawings in standard PA6.6 or PA6.6 GF30, depending on your mechanical and thermal requirements.

Typical Applications

PA6.6 is used in applications that require the mechanical performance of polyamide combined with higher rigidity, better heat resistance and more stable dimensions than standard PA6 grades.

Mechanical Engineering

Structural and wear components in plant and mechanical engineering where high strength, hardness and dimensional stability across temperature ranges are required. Used for housings, guides, sliding elements and precision machined parts.

Aircraft Construction

PA6.6's high strength-to-weight ratio, rigidity and heat resistance make it suitable for interior structural components, brackets and mechanical parts in aircraft and aerospace assemblies.

Electrical Appliance Industry

Applied in electrical housings, connectors, insulating components and structural parts where dimensional stability, heat resistance and reliable mechanical performance are required under sustained operating conditions.

Automobile Industry

Used for under-bonnet and structural components in vehicle construction where elevated operating temperatures and sustained mechanical load require a polyamide with higher heat resistance than standard PA6.

Equipment Manufacturing

Covers a broad range of machined components, wear parts and structural elements in industrial equipment manufacturing where consistent mechanical properties and good machinability are required across production runs.

High-Rigidity Applications with GF30

For applications demanding even greater stiffness and thermal stability, PA6.6 GF30 delivers significantly increased rigidity and dimensional stability through 30% glass fibre reinforcement, supplied in black in sheets and round bars.

Available in 2 Variants

PA6.6 is available in two grades, standard unreinforced and GF30 glass fibre reinforced, each suited to different load and temperature requirements.

PA6.6

Unreinforced polyamide 6.6 offering high dimensional stability, very good antifriction properties and excellent machinability for demanding engineering applications.

PA6.6 GF30 Black

Glass fibre reinforced grade with 30% GF content, delivering increased dimensional stability, very high rigidity and superior heat resistance.

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Log in to Plastix Factory to check availability, calculate prices and order PA6.6 sheets, round bars or cut-to-size material online in standard or GF30 grade.

Frequently Asked Questions

Everything you need to know about accessing Plastix Factory, placing orders, checking live pricing and downloading technical material documentation online.

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