Plastic

Nylon (PA6 / PA66) in Canadian Manufacturing

Nylon (polyamide) is the default engineering thermoplastic for parts that need toughness, wear resistance, and self-lubrication. PA6 and PA66 dominate moulded structural parts; cast nylon (Nylatron, Cast Nylon 6) is the standard machining stock. Glass-filled and impact-modified grades extend nylon into demanding automotive, industrial, and aerospace applications.

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Canadian sourcing CUSMA context included Matched to domestic suppliers

Nylon in Canadian Manufacturing

Nylon is the engineering thermoplastic that quietly runs much of Canadian industry. Auto-parts plants in southern Ontario mould millions of glass-filled nylon brackets, intake manifolds, and cooling-system components every year. Cast-nylon machining shops in Quebec and BC produce gears, bushings, and wear pads for industrial equipment. SLS service bureaus print PA12 functional prototypes for design-engineering teams across the country.

Why Nylon Beats the Alternatives

The combination of mechanical strength, fatigue resistance, self-lubrication, and chemical resistance puts nylon in a category no other commodity engineering plastic occupies. Gears made from nylon run quieter and last longer than steel gears in low-load applications. Bushings made from cast nylon eliminate the need for grease in many low-speed sliding contacts. Glass-filled PA66 brackets carry structural loads at temperatures where ABS and polypropylene fail.

PA6 / PA66 / PA12 — Choosing the Right Grade

PA66 is the high-temperature workhorse — automotive under-hood, appliance components running near 100 °C, structural gears. PA6 is the easier-to-mould general-purpose grade — consumer products, cable ties, electrical hardware. PA12 has the lowest moisture absorption of the common nylons and is the standard SLS 3D-printing material. Glass-filled versions (typically GF30, sometimes GF50) double the stiffness and tensile strength at the cost of impact toughness.

Moulding, Machining, and Printing in Canada

Canadian nylon moulders are concentrated in the automotive supply chain (southern Ontario) and the appliance/consumer-products clusters (Quebec, southern Ontario). Cast-nylon machining is widely available — Modern Plastics, Plastfab, and many engineering-plastics specialists stock cast rod, plate, and tube. SLS printing in PA12 is mature and competitively priced, with several Canadian service bureaus running production HP MJF and EOS SLS systems.

Get Matched to a Canadian Nylon Shop

Tell us the grade (PA6, PA66, PA12, glass-filled), process (mould, machine, print), and quantity. We route to Canadian shops with the right nylon-processing capability and cycle-cost economics for your application.

Specifications

Nylon (PA6 / PA66) at a Glance

Density
1.13–1.14 g/cm³ (unfilled); 1.35–1.42 g/cm³ (30% glass)
Tensile Strength
75–85 MPa (PA66 unfilled); 170–200 MPa (PA66 30% GF)
Melting Point
215 °C (PA6); 260 °C (PA66)
Operating Temp
−40 to 100 °C (PA6); −40 to 120 °C (PA66) continuous
Machinability
Good (cast nylon machines cleanly; extruded grades may chip)
Canadian Supply Chain

Where It's Made in Canada

Nylon resin is imported from major global producers (BASF, DuPont/Celanese, Ascend, Lanxess, DOMO Chemicals) and distributed in Canada by Channel Prime Alliance, Avient (PolyOne), Nexeo Plastics, and regional resin distributors. Cast nylon stock (Nylatron, Cast Nylon 6, MC901) is stocked by Modern Plastics, King Plastic, Plastfab, and through industrial plastics distributors nationally. Glass-filled compounds (PA66-GF30, PA6-GF30) are widely available with same-week lead times for standard grades.

Cost range (CAD): $5–9/kg unfilled PA6/PA66; $8–15/kg glass-filled grades
Tariff context: Most nylon resin enters Canada from US, European, and Asian mills under FTA terms (CUSMA, CETA). Speciality high-performance nylons (PA46, PA9T) are imported and may carry standard MFN duties. Cast nylon stock distribution is largely North American supply.

Domestic suppliers

  • Channel Prime Alliance
    Mississauga, ON (national)

    PA6, PA66 resin distribution — virgin and reprocessed

  • Avient (PolyOne) Canada
    Mississauga, ON

    Compounded nylon — glass-filled, impact-modified, conductive

  • Modern Plastics Canada
    Toronto, ON; Montreal, QC

    Cast nylon stock — Nylatron, MC901, oil-filled grades

  • King Plastic / Industrial Plastics
    Multi-site

    Engineering plastics service centre — nylon rod, plate, tube

  • RTP Company Canada
    Mississauga, ON

    Specialty nylon compounds — wear, conductive, FR

Typical Applications

Gears, sprockets, and timing pulleys
Bushings, bearings, and wear pads
Automotive under-hood components (PA66-GF)
Cable ties, connectors, and electrical hardware
Fasteners and threaded inserts
Conveyor components and slide rails
SLS 3D-printed functional prototypes (PA12)

Frequently Asked Questions

When should I choose PA6 vs PA66?
PA66 has higher melting point (260 vs 215 °C), better heat resistance, slightly better stiffness, and slightly better fatigue performance. Use PA66 for under-hood automotive parts, gears running in heated environments, and applications running near 100 °C continuous. PA6 has lower processing temperature (easier to mould), better surface finish, and better impact toughness — use it for general consumer and industrial parts where the extra heat resistance of PA66 isn't needed. Glass-filled versions of either narrow the difference and dominate structural applications.
Is moisture absorption a problem with nylon?
Yes — nylon absorbs water (up to 8% by weight at saturation for unfilled PA6). Moisture absorption changes dimensions, lowers stiffness, and shifts mechanical properties. For dimensionally critical parts, design for moisture-conditioned dimensions (the typical equilibrium for indoor service), or specify moisture-stabilised grades. For wet or submerged service, switch to PA12 (lower moisture absorption) or consider acetal/POM as an alternative.
What about cast nylon vs extruded nylon for machining?
Cast nylon (Nylatron, MC901, Cast Nylon 6) machines significantly better than extruded nylon — cleaner chips, better surface finish, less internal stress, and tighter dimensional stability after machining. For gears, bushings, and any precision-machined nylon part, specify cast stock. Extruded nylon rod and plate is fine for non-precision applications and is cheaper. Most Canadian machining shops with engineering-plastic experience will recommend cast for anything tolerance-critical.
Can I 3D print structural nylon parts?
Yes. SLS (selective laser sintering) of PA12 (nylon 12, the standard SLS material) produces functional, structural prototype and production parts at quality close to injection-moulded nylon. Canadian SLS service bureaus in Montreal, Toronto, and Vancouver run PA12 daily. For higher-temperature or fibre-reinforced printed nylon, MJF (HP Multi Jet Fusion) and CFR (continuous fibre reinforcement, Markforged) are also available. Print parts have slightly anisotropic properties — design with the build orientation in mind for stressed parts.

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Processes that use Nylon (PA6 / PA66)

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