Engineering Plastics

Sealand Industrial Supply offers a complete range of engineering-grade plastics used for machining, wear parts, mechanical components, and industrial applications. Our materials deliver superior durability, low friction, excellent chemical resistance, and consistent performance — making them ideal replacements for metal in many environments.

We provide plastics in sheet, rod, tube, and custom-fabricated forms. Components can also be machined according to client specifications.

Engineering Plastic Materials

Below are the engineering plastics available from Sealand Industrial Supply.

HDPE (High-Density Polyethylene)

HDPE is a lightweight yet strong plastic known for its toughness and excellent chemical resistance.

Features:

High impact strength
Excellent corrosion & chemical resistance
Low moisture absorption
Good machinability

Applications: Cutting boards, tanks, liners, conveyor components, chutes.

Operating temperature: 90° C

Nylon (PA6)

Nylon offers outstanding mechanical strength, wear resistance, and load-carrying performance.

Features:

High tensile & compressive strength
Good abrasion resistance
Low friction surface
Performs well in bearings & gears

Applications: Bushings, gears, sprockets, rollers, mechanical parts.

Operating temperature: 105° C

Acetal (POM / Derlin Type)

Acetal provides excellent dimensional stability and low friction, making it suitable for precision components.

Features:

High stiffness
Good fatigue resistance
Excellent machinability
Low moisture absorption

Applications: Gears, valve components, electronic parts, conveyor mechanisms.

Operating temperature: 100° C

Polypropylene (PP)

A lightweight plastic with strong chemical resistance, especially against acids and solvents.

Features:

Excellent resistance to chemicals
High fatigue resistance
Low cost, versatile

Applications: Laboratory equipment, tanks, containers, chemical applications.

Operating temperature: 100° C

UHMW-PE (Ultra High Molecular Weight Polyethylene)

UHMW-PE is an extremely tough, wear-resistant plastic used in heavy industrial environments.

Features:

Very low coefficient of friction
Exceptional abrasion resistance
High impact strength
Non-stick surface

Applications: Chute liners, wear strips, conveyors, impact pads.

Operating temperature: 110° C

Polycarbonate

A clear, impact-resistant plastic used where high strength and visibility are required.

Features:

Extremely high impact resistance
Good optical clarity
Heat resistant

Applications: Machine guards, shields, viewing panels, safety covers

Operating temperature: 120° C

PTFE (Teflon)

PTFE offers the best chemical resistance of any plastic and an extremely low-friction surface.

Features:

Non-stick
High temperature resistance
Handles aggressive chemicals

Applications: Gaskets, seals, bearing pads, heat-resistant components.

Operating temperature: 260° C

Fibra (Phenolic / Bakelite Type)

Phenolic sheets are rigid, electrically insulating plastics widely used in mechanical and electrical applications.

Features:

Good dimensional stability
Heat and electrical resistance
Strong and durable

Applications: Electrical panels, spacers, insulators, structural parts.

Operating temperature: 120° C

Polyurethane

A versatile elastomeric plastic known for flexibility and abrasion resistance.

Features:

Impact & tear resistant
Flexible with high load capacity
Excellent wear resistance

Applications: Rollers, bumpers, shock absorbers, wheels.

Operating temperature: 30° C - 80° C

Fabricated Plastic Components

Beyond supplying raw plastic materials, Sealand Industrial also fabricates custom plastic parts for industrial use.

Capabilities Include:

CNC machining
Cutting, shaping, turning, milling
Custom-forming and profiling
Prototype development
Replacement of worn-out mechanical parts

Custom Components:

Gears & Sprockets — Precision-machined nylon or acetal for long service life
Chutes & Liners — UHMW-PE and HDPE for smooth material flow
Wearstrips — Low friction strips for conveyors
Motor Fan Blades — Lightweight engineering plastic alternatives

If you need a plastic part manufactured from a sample or drawing, we can fabricate it.

Applications of Engineering Plastics

Engineering plastics are widely used in:

Manufacturing & industrial plants
Food processing equipment
Conveyor systems
Packaging machinery
Automotive & transport
Mechanical engineering
Electrical and electronic components
Chemical handling systems

Advantages of Using Engineering Plastics

✔ Lightweight alternative to metal

✔ Corrosion-resistant and chemically stable

✔ Low friction for moving parts

✔ Excellent machinability

✔ Long life span and reduced maintenance

✔ Suitable for high-wear applications

Request a Quote

Need engineering plastic materials or custom-machined components?

Our team can assist with material selection, sizing, and fabrication based on your requirements.