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Engineering Plastics

Engineering Plastic Machining Services

Read More About Our Engineering Plastics Machined Component Parts

Engineering Plastic Sheet Cutting, CNC Routing

Fabrication Engineering Plastic Custom Parts

Without doubt, the company is one of the UK’s leading Engineering Plastic CNC Machining Companies. Certainly, Sentinel Plastics is a hugely experienced UK company that machine custom engineering plastic parts. Thus, customers return year after year for all there Machined plastic Parts .

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Below are just some of the Engineering plastic materials CNC machined.

PVC (Polyvinyl Chloride) Engineering Plastic

PVC is rated Self-Extinguishing, has an exceptional chemical resistance with high mechanical and tensile strength.

ABS FAbrications ABS (Acrylonitrile Butadiene Styrene)

A rigid, hard wearing thermoplastic material. Ideal for forming.

Nylon (Polyamide) Engineering Plastic

A range of grades available Including Extruded and Cast Nylon 6, Nylon 66, MOS2 (Molybdenum Disulphide) filled.

Acetal (Polyoxymethylene, POM) Engineering Plastic

Available in Copolymer and Homopolymer grades. A dimensionally stable material with good electrical properties and abrasion resistance.

Polypropylene (PP) Engineering Plastic

A very versatile Engineering Plastics that has many advantages, namely acid resistance, lightweight with high impact resistance.

Polyethylene (LDPE, HDPE, HMWPE, UHMWPE)

A range of polyofins Engineering Plastics also referred to as PE300, PE500 and PE1000. Used in various applications from pipe fittings, wear strips to conveyor systems in food processing environments.

Engraving Laminates Engineering Plastic

A range of 2 or 3 ply laminates in many different colours.

Clear Engineering Plastics

Virtually all Industrial Engineering Plastics Materials available today can be Machined and Fabricated at Sentinel.
Offering customers a wealth of knowledge in the huge range of plastic materials in sheet, rod, fabricated and machined form.

Polycarbonate Fabrication - Engineering Plastics - Plastic Machining

Polycarbonate Bespoke guarding

Polycarbonate Makrolon ® Lexan ® Engineering Plastics

Used for machine guards and shrouds, available in clear, opal and tinted also specialist Abrasion and UV resistant grades available.

PETG (Polyethylene Terephthalate Glycol) Engineering Plastics

Sheets have very good impact resistance, even at low temperatures, and approved for food contact applications.

Acrylic (PMMA) Engineering Plastic

Available in Clear, Opal and many colours, extensively used for Point of Sale and Display applications.

High Performance Materials

PTFE (Polytetrafluoroethylene) Engineering Plastic

Very good resistance to low and high temperature (up to 260°C), with low flammability and low friction coefficient. Available in a variety of filled grades.

PEEK (Polyetheretherketone) Engineering Plastic

Excellent mechanical strength, dimensional stability, a low coefficient of friction, very good chemical resistance.

PVDF (Polyvinyl Fluoride) Engineering Plastics

Good chemical resistance with a temperature range -30°C to +150°C

Ultem ®

Ultem ® is a high-strength amorphous polymer with excellent heat and flame resistance, (carrying a flammability rating of 94-V-0) with little smoke output. Furthermore, it performs continuously to 340° F, making it superior to commodity plastics such as Nylon and Delrin®.

Our Main Engineering Plastics Processes

Plastic Machining | Plastic Milling

Plastic Routing | Plastic Turning | Plastic Fabrication

Sentinel Plastics Ltd is a well-established Engineering Plastics Supplier CNC Machining and Plastic Fabrication company based in Cradley Heath in the West Midlands.

A little more on Engineering Plastic

Being more expensive, Engineering Plastics are produced in lower quantities and tend to be used for low-volume applications.

Engineering Plastics have gradually replaced traditional Engineering Materials such as wood or metal in many applications. Besides equalling or surpassing them in weight/strength and other properties. Engineering Plastics are much easier to manufacture, especially in complicated shapes.

Engineering Plastics – Thermoplastic

A thermoplastic, or thermosoftening Plastic, is a Plastic material, a polymer, that becomes pliable or moldable above a specific temperature and solidifies upon cooling.

Most thermoplastics have a high molecular weight. The polymer chains associate through intermolecular forces, which weaken rapidly with increased temperature, yielding a viscous liquid. Thus, thermoplastics may be reshaped by heating and are typically used to produce parts by various polymer processing techniques.