Material Uses

Selecting the correct material is an important process, which will ultimately affect how your product functions it its application.  The following chart provides notable benefits, disadvantages, and application for the materials that Formtech extrudes.  Please note that these lists are not comprehensive and additives may be available to reduce the disadvantages to meet your needs.

Material

AKA

Notable Benefits

Disadvantages

Popular Application

ABS Acrylonitrile butadiene styrene 1.  Impact resistance and toughness

2.  Wide temperature range

3.  Flame retardant

4.  High HDT (heat deflection temperature)

1. Moderate moisture and chemical resistance

2. Poor UV performance in natural form

3.  Cost

 

Electrical applications
Acrylic Polymethyl methacrylate 1. Weather resistant

2. UV stable

3.  Stain and water resistant (easily cleanable)

1. Lower impact strength than many alternatives

2. Cost

Lenses
ASA Acrylonitrile stryrene acrylate 1.  Highly weatherable

2.  Does not yellow easily when exposed to UV/fluorescent light

3. High impact resistance

1. Releases toxic smoke if burned

2. Not resistant to harsh acids

Capstock for outdoor applications
Butyrate n/a 1. High impact resistance, even in cold temperatures

2. Extremely clear

3. UV resistant

1. Cost

2. Odor

Retail store displays

Cold temperature exposure

Wood Plastic Composites WPC 1. Lower COE and higher HDT than PVC

2.  Termite and mold resistant

3.  Some combinations are paintable &/or stainable

1. Can be brittle, depending on formulation Decking

Window and door components

Garage door components

PC Polycarbonate 1.  Flame retardant

2. Impact resistant

3.  Heat resistant

4.  Considered more “green” than PVC

1.  Not recommended for contact with food

2.  Cost

3. Not UV stable in natural form (can yellow)

 

Electrical components

“Green” applications

HDPE High density polyethylene 1. Impact resistant

2. Chemical resistant

3. Food contact acceptable

1. Poor UV performance in natural form

2. Low abrasion resistance

3. Flammable

Milk jugs (not extruded)Packaging
LDPE Low density polyethylene Packaging

Specialty tubing

LLDPE Linear low density polyethylene Packaging

Specialty tubing

MDPE Medium density polyethylene Packaging
PP Polypropylene 1. Resistant to fatigue

2. High impact resistance

3.  Food contact acceptable

1. Flammable in natural form

2. Brittle in low temperature environments

3. Poor UV performance in natural form

Water Bottles (not extruded)

Living Hinges

PS Polystyrene 1. Generally approved for contact with food

2. Lightweight

1. Brittle

2. Not resistant to weather exposure in natural form

3. Weak heat resistance

Packaging

Retail tags that may come in contact with food

Rigid PVC Polyvinyl Chloride in a hardened form 1. Low Cost

2. Good resistance to weather

3. Good electrical properties

4.  Self extinguishing

1. Begins to soften around 140°

2. Not considered green by some parties

Window components

Door components

Various office furniture components

Bumpers

Vinyl Siding

Flexible PVC Polyvinyl Chloride with plasticizers 1. Lowest cost flexible (or soft) material

2. Resistant to many chemicals

3. Not flammable

1. Offers a replacement to rubber

2. Not considered green by some parties

Seals, i.e. garage door bottom seals
(astragal), refrigeration seals
TPR Thermoplastic Rubber 1. High fatigue resistance

2. High chemical resistance

3. Can replace thermoset elastomers.

1. Cost

2. Poor UV performance in natural form

Weatherstrips

Seals