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Modern CNC machining workshop with advanced multi-axis equipment for precision plastic fabrication at Custominsul factory

A high-precision, custom CNC-machined component made from biocompatible white ABS for a medical diagnostic device, showcasing tight-tolerance holes and a smooth surface finish.

A custom CNC-machined green FR-4 test fixture designed for securing a printed circuit board (PCB) during a high-temperature soldering process.

3,800+ Projects | ±0.03mm Precision | No MOQ | 7-15 Days Delivery

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500+

Companies Worldwide

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15+

Years Experience

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20+

Countries Served

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50+

Engineering Materials

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No Minimum Order

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Buy Plastic

A collection of precision CNC machined plastic parts including red PEEK gears, white PTFE components, and other custom fabricated industrial plastics.

Industrial Plastic Sheets, Rods & Custom Machined Components

As a leading industrial plastic supplier, we provide a massive inventory of high-performance and engineering polymer stock shapes. Partner with us for raw materials or leverage our expert CNC plastic fabrication services for components manufactured to your exact specifications.

Browse & Buy Standard Stock Quote Your Custom Part

Your Partner for Plastic Prototyping and Production

Material Selection Expertise

Not sure which polymer fits your application? Our team provides expert guidance on material properties like chemical resistance, temperature tolerance, and machinability to ensure your success.

Precision CNC Fabrication

From complex prototypes to large production runs, our state-of-the-art CNC milling and turning centers deliver plastic components with tight tolerances of ±0.03mm (±0.0012").

Extensive Stock Inventory

Our ready-to-ship inventory of plastic sheets, plates, rods, and bars minimizes your lead times. Get the machinable plastic stock you need, when you need it.

Explore Our Portfolio of Machinable Plastics

Find the ideal material for your project based on performance characteristics. Each of the polymers below is available as standard stock shapes or can be custom machined by our experts into finished parts. Click any material to learn more or submit your drawing for a competitive quote.

General & Versatile Engineering Plastics

HDPE

A versatile and cost-effective material with a great balance of properties. Known for its impact strength and outstanding chemical resistance.

Key Features: Low moisture absorption, high tensile strength, FDA compliant grades available.
Applications: Cutting boards, chemical tanks, pipe fittings, outdoor cabinetry.

Machinable Nylon (Polyamide) plastic sheets stock for industrial wear parts

Nylon (PA)

The workhorse of engineering plastics, offering superb toughness, strength, and wear resistance for mechanical applications.

Key Features: High strength & stiffness, excellent abrasion resistance, good chemical resistance to hydrocarbons.
Applications: Gears, bearings, bushings, rollers, structural components, wear pads.

Polypropylene (PP) plastic material sheets for chemical process equipment

PP (Polypropylene)

A lightweight and weldable thermoplastic known for its superior chemical resistance to acids and alkalis, and very low moisture absorption.

Key Features: Excellent chemical resistance, high strength-to-weight ratio, easily fabricated.
Applications: Chemical tanks, plating barrels, laboratory furniture, semiconductor equipment.

UHMW-PE

An extremely durable and low-friction thermoplastic that outperforms steel in many high-wear applications, reducing noise and maintenance.

Key Features: Highest abrasion resistance of any thermoplastic, low coefficient of friction, high impact strength.
Applications: Conveyor components, wear strips, chute liners, guide rails, marine bumpers.

PMMA (Acrylic)

A lightweight and shatter-resistant thermoplastic that offers exceptional optical clarity, making it a popular alternative to glass.

Key Features: Excellent light transmission, weather and UV resistance, easy to fabricate and bond.
Applications: Machine guards, sight glasses, retail displays, architectural glazing, light fixtures.

POM (Acetal)

A strong, rigid, and highly machinable thermoplastic with excellent lubricity and dimensional stability, ideal for precision parts.

Key Features: High stiffness, excellent wear and creep resistance, low moisture absorption, low friction.
Applications: Precision gears, bushings, rollers, electrical insulators, fuel system components.

Gray Type 1 PVC plastic sheets for chemical resistance and fabrication

PVC (Polyvinyl Chloride)

A widely used thermoplastic offering excellent resistance to chemicals and corrosion, along with strong mechanical properties and ease of fabrication.

Key Features: High chemical resistance, good weatherability, flame retardant, strong and rigid.
Applications: Chemical storage tanks, piping systems, fume hoods, electrical enclosures, wall cladding.

Clear PET plastic sheets for food contact and industrial machine parts

PET (Polyethylene Terephthalate)

A strong, stiff engineering plastic with excellent wear resistance, a low coefficient of friction, and superior chemical resistance.

Key Features: Good strength and rigidity, high dimensional stability, excellent wear characteristics, FDA compliant.
Applications: Food processing machinery parts, bearings, gears, pistons, manifolds, insulators.

Tough, clear polycarbonate (PC) plastic sheets for impact-resistant guarding

PC (Polycarbonate)

A virtually unbreakable thermoplastic known for its outstanding impact strength, toughness, and optical clarity over a wide temperature range.

Key Features: Highest impact resistance, excellent strength, good temperature resistance, dimensionally stable.
Applications: Machine guards, safety glazing, electronic housings, automotive components, prototypes.

Machined black ABS plastic components for aesthetic and durable enclosures

ABS

A common, easily machined thermoplastic that provides a great combination of toughness, impact strength, and good surface finish.

Key Features: Good impact resistance, high rigidity, easily machinable and thermoformable, good aesthetics.
Applications: Housings and enclosures, automotive interior parts, machine prototypes, jigs and fixtures.

High-Performance Polymers

PEEK

A semi-crystalline thermoplastic with an unparalleled combination of high-temperature performance, mechanical strength, and chemical resistance.

Key Features: Excellent high-temperature stability, superior chemical and hydrolysis resistance, high strength and stiffness.
Applications: Aerospace components, medical instruments, semiconductor parts, bearings, seals, pump components.

PPS plastic plate and bar stock with high dimensional stability

PPS (Polyphenylene Sulfide)

A high-performance polymer offering broad chemical resistance and exceptional dimensional stability, even at elevated temperatures.

Key Features: High-temperature resistance, excellent chemical resistance, inherently flame retardant, high rigidity.
Applications: Automotive components, electrical insulators, pump housings, chemical processing equipment.

Amber Polyimide (PI) plastic rods for extreme heat and wear applications

PI (Polyimide)

A family of high-performance polymers known for their exceptional thermal stability, creep resistance, and excellent performance in harsh environments.

Key Features: Extreme temperature resistance, high strength and wear properties, excellent electrical insulation.
Applications: Aerospace parts, semiconductor process components, high-temperature bearings and seals.

PVDF

A highly non-reactive fluoropolymer offering a unique combination of chemical inertness, high strength, and UV stability for demanding applications.

Key Features: Superior chemical resistance, high purity, excellent UV and weather resistance, good mechanical strength.
Applications: Piping and tubing, chemical processing equipment, filtration systems, high-purity fluid handling.

PTFE

Well-known for its exceptionally low coefficient of friction and broad chemical resistance, making it ideal for non-stick and sealing applications.

Key Features: Lowest coefficient of friction, outstanding chemical inertness, wide service temperature range.
Applications: Seals, gaskets, bearings, bushings, insulators, non-stick linings.

Amber PEI plastic sheet for high-strength, thermally stable components

PEI

An amorphous, high-performance polymer that combines high strength and rigidity at elevated temperatures with long-term heat resistance.

Key Features: High dielectric strength, excellent mechanical properties, heat and flame resistant.
Applications: Electrical connectors, medical instruments (reusable/sterilizable), analytical instrumentation.

PAI high-performance plastic plate vs PEEK for extreme wear applications

PAI (Polyamide-imide)

Considered one of the highest performing thermoplastics, PAI maintains its strength and stiffness at extremely high temperatures and excels in severe wear applications.

Key Features: Highest strength of any unreinforced thermoplastic, extreme temperature stability, excellent wear resistance.
Applications: Non-lubricated bearings, seals, pump and valve parts, semiconductor test sockets.

Specialty Composites & Laminates

Yellow Polyurethane (PU) elastomer custom parts for abrasion resistance

PU (Polyurethane)

A versatile elastomer that bridges the gap between rubber and plastic, offering high load-bearing capacity, abrasion resistance, and flexibility.

Key Features: Excellent abrasion and tear resistance, high tensile strength, good noise and vibration damping.
Applications: Wheels and rollers, shock absorbers, gaskets and seals, cutting surfaces, belt scrapers.

G10 / FR-4

A glass-epoxy composite laminate that offers high strength, low moisture absorption, and excellent electrical insulating properties in various conditions.

Key Features: High mechanical strength, superior electrical insulation, dimensionally stable, flame retardant (FR-4).
Applications: Printed circuit boards (PCBs), electrical insulators, terminal boards, jigs and fixtures.

Bakelite (Phenolic Paper)

A hard, dense thermoset composite made from paper and phenolic resin. It is a cost-effective choice for good electrical and mechanical insulation.

Key Features: Good electrical insulating properties, high rigidity, easily machinable, cost-effective.
Applications: Electrical insulators, switchgear components, mounting plates, jigs and fixtures.

Phenolic Cloth (Garolite)

A tough, strong thermoset composite made with a cotton canvas reinforcement, providing superior mechanical properties and impact resistance compared to paper grades.

Key Features: Excellent mechanical strength and impact resistance, good wear properties, machinable.
Applications: High-strength gears, pulleys, rollers, structural parts, high-impact wear components.

Silicone Rubber

A highly versatile elastomer known for its flexibility over an extremely wide temperature range, excellent weather resistance, and inertness.

Key Features: Wide operating temperature range, excellent UV and ozone resistance, flexible and durable.
Applications: High-temperature gaskets and seals, electrical insulation, food-contact applications, medical tubing.

Let's Build Your Next Component

Whether you require a single sheet of material or a full production run of complex machined parts, our team is ready to deliver. Send us your requirements and let our expertise work for you.

Shop Our Material Inventory Submit Your Drawing for a Quote

For technical inquiries or to send CAD files directly, email our engineering team at:
Custominsul@Custominsul.com