Engineering Plastics

DEMS represents world renowned products, and our basket of Engineering plastics include brands such as Tufnol, Vesconite, Nylacast nylons, Perspex, Keylon PTFE's and Wefapress polyethylene's. These products are all supplied cut to size, in rod, tube and sheet form, or your components can be designed and machined by our well-equipped and qualified engineering works.

DEMS

  • Is the foremost supplier of engineering plastics in KwaZulu-Natal
  • Has established a sales and distribution facility in Gauteng
  • Stocks an extensive range of thermoplastics as well as thermoset plastics
  • Offers professional advice on product selection
  • Produce technical drawings and production specifications
  • Cut to size
  • Machine various materials to full finished components
  • Injection, compression, or roto-mould items to customer requirements
  • Over 50 years experience in engineering plastics

Product Range

A B S

  • Sheet only
  • Low cost
  • Signage material



ACETAL/POM

  • Very good dimensional stability & sliding properties.
  • High Rigidity & Hardness . Very easy to machine
  • Good Impact resistance at low temperatures
  • Very low moisture absorption (0.8% at saturation)
  • Good creep resistance
  • Food Safe
  • Colours : Natural & Black.

Applications

Bearings, Cams, Gears, Conveyor Rollers, Gear Wheels, Precision machined components



HDPE / UHMWPE

  • Very good chemical resistance
  • Excellent abrasion resistance
  • Superior impact strength and shock resistance
  • Operates at temperatures as low as -200°C.
  • Very Low Friction Coefficient
  • Low Specific gravity
  • Easy to Machine
  • Widely used in conveyors, bottling and packaging machines
  • Virgin material is Food Safe
  • Very low moisture absorption (0.8% at saturation)



NYLON

  • Good Mechanical Stability
  • High Impact Strength & shock resistance
  • Very good abrasion resistance
  • High Tensile stress & compressive strength
  • Good Damping Properties
  • Self Lubricating
  • Colours : Natural & Black.

Weakness

Material is Hydroscopic. Moisture Absorption will mean Mechanical features & Dimensions will change .

Typical Applications

General purpose material, Washers, Bushes, Spacers, Guides , Wheels,



PERSPEX/ACRYLIC

  • Exceptional light transmission with virtually no colour bias – even in thick blocks
  • Excellent resistance to outdoor weathering
  • Good resistance to impact
  • A high gloss, hard surface
  • High tensile strength and rigidity
  • Easily thermoformable with simple workshop tools
  • Easy to clean
  • Capable of being fully recycled

Applications

Architecture, Construction, Furniture design, Automotive and transportation, Visual communication and retail, Lighting, Electronics and energy, medical, health and safety



POLYCARBONATE

  • High Impact Resistance
  • Good Dimensional Stability
  • Low Moisture absorption
  • Physiologically Inert if natural grade
  • Colour : Transparent

Applications

Machine covers and guards



POLYPROP

  • Light weight
  • Excellent resistance to stress and cracking
  • Chemical resistant
  • Low moisture intake

Applications

Wear pads, pumps and machine cases



POLYURETHANE

  • Sheet, rod and tube
  • Plus moulded items (various colours)
  • Poly-urethane is an excellent alternative to rubber for wear and chemical resistance.



P T F E / TEFLON

  • Excellent Chemical Resistance
  • Very low Friction Coefficient
  • Physiologically safe (Food Safe)
  • Low Flammability
  • Operating Temperature – 200Deg C to + 260 Deg C
  • Very good UV Resistance
  • Colour : Natural

Applications

Seals, Valve Seats, Bearing Pads , High Temp components in Food processing. None Stick Applications



PULTRUSIONS

  • Pultruded fibre-glass profiles in continuous lengths
  • For high strength
  • Electrical insulation items
Pultruded fibre-glass profiles in continuous lengths, for high strength, electrical insulation items.



P V C

  • Excellent Chemical resistance
  • Good mechanical & tensile strength
  • Good dielectric properties
  • Can be Welded & Fabricated
  • Easy to Machine with Conventional tooling
  • Widely used for components in the Chemical Industry
  • Operating Temperature -15Deg C to +60Deg
  • Colour : Grey

Applications

Widely used for mechanical components in the Chemical Industry



Tufnol Phenolics

  • Water resistant
  • Low friction characteristics
  • High strength and stiffness
  • High temperature range
  • Non softening at elevated temperatures

Applications

Gears, bushes, rollers, marine applications



View our Engineering Plastics RangeDownload Brochure

IF YOU'RE IN THE
WESTERN CAPE CONTACT
DEMS GARTECH FOR
ALL YOUR ENGINEERING
PLASTICS REQUIREMENTS

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CONTACT US

DURBAN

2 Teakfield Rd,
Springfield Park
Durban, South Africa

Tel: (+27) 31 579 9300
Fax: (+27) 31 579 5139
Email: admin@dems.co.za


JOHANNESBURG

Unit 1 Osborn Park,
Corner of Barfoot & Stark Roads,
Estera, Germiston,
Johannesburg, South Africa

Tel: (+27) 11 824 0834
Fax: (+27) 11 824 4501
Email: admin@dems.co.za


Unit 1 Swift Park 2, Benbow
Avenue, Epping Industria 1,
Cape Town, South Africa

Tel: (+27) 21 534 3388 / (+27) 21 534 3409
Fax: (+27) 21 534 3389
Email: info@gartech.co.za


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