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Polyurethane, Polyethylene and Poly Urea

Polyurethane, Polyethylene and Poly urea

Polyurethane Elastomers are a range of extremely diverse materials and we engineer, by either spinning, spraying or casting enabling, Australian Mining Products and Service, to develop and produce a wide range of low quantity, high quality reliable products to suit every operational application in a diverse range of circumstances.

We offer, cold cast, Spray or trowel able grades and qualities that are specifically tailored for short turn-around specific site emergency repairs. We offer our autoclave cured hot cast polyurethane or spray material to meet exactly site operational criteria as well as optimum site performance. Our techniques as well as our wide range of start out chemicals can deliver products that achieve specific hardness’s required as well as physical properties, to meet the requirement of the operational parameters.

We mould from simple products of any volume to complex solutions using Thermoplastic polyurethane (TPU) that is  any of a class of polyurethane plastics with many properties, including elasticitytransparency, and resistance to oil, grease, and abrasion. Technically, they are thermoplastic elastomers consisting of linear segmented block copolymers composed of hard and soft segments.

Polyurethane Advantages & Properties

Polyurethane is an extremely versatile elastomer used in countless applications worldwide. Polyurethane’s mechanical properties can be isolated and manipulated through creative chemistry which creates a number of unique opportunities to solve problems with performance characteristics unequaled in any other material.

Wide Range of Hardness

The classification of hardness for polyurethane relies on the prepolymer’s molecular structure and can be manufactured from 20 SHORE A to 85 SHORE D

High Load Bearing Capacity

Polyurethane has a high load capacity in both tension and compression. Polyurethane may undergo a change in shape under a heavy load, but will return to its original shape once the load is removed with little compression set in the material when designed properly for a given application.

Flexibility

Polyurethanes perform very well when used in high flex fatigue applications. Flexural properties can be isolated allowing for very good elongation and recovery properties.

Abrasion & Impact Resistance

For applications where severe wear prove challenging, polyurethanes are an ideal solution even at low temperatures.

Tear Resistance

Polyurethanes possess high tear resistance along with high tensile properties.

Resistance to Water, Oil & Grease

Polyurethane’s material properties will remain stable (with minimal swelling) in water, oil and grease. Polyether compounds have the potential to last many years in subsea applications.

Electrical Properties

Polyurethanes exhibit good electrical insulating properties.

Wide Resiliency Range

Resilience is generally a function of hardness. For shock-absorbing elastomer applications, low rebound compounds are usually used (i.e. resilience range of 10-40%). For high frequency vibrations or where quick recovery is required, compounds in the 40-65% resilience are used. In general, toughness is enhanced by high resilience.

Strong Bonding Properties

Polyurethane bonds to a wide range of materials during the manufacturing process. These materials include other plastics, metals and wood. This property makes polyurethane an ideal material for wheels, rollers and inserts. In most cases, the bond strength to metals will exceed the tear strength of the urethane.

Performance in Harsh Environments

Polyurethane is very resistant to extreme temperature, meaning harsh environmental conditions and many chemicals rarely cause material degradation.

Mold, Mildew & Fungus Resistance

Most polyether based polyurethanes do not support fungal, mold and mildew growth and are therefore highly suitable for tropical environments. Special additives can also be added to reduce this in polyester materials as well.

Color Ranges

Varying colour pigments can be added to polyurethane in the manufacturing process. Ultraviolet shielding can be incorporated into the pigment to provide better colour stability in outdoor applications.

Economical Manufacturing Process

Polyurethane is often used to manufacture one-off parts, prototypes or high volume, repeat production runs. Size ranges vary from a few grams to 100’s of KG’s

Short Production Lead Times

Compared to conventional thermoplastic materials polyurethane has a relatively short lead time with significantly more economical tooling costs.

Advantages of Polyurethane When Compared to Conventional Materials

vs. Rubber vs. Metal vs. Plastic
High abrasion resistance Lightweight High impact resistance
High cut & tear resistance Noise reduction Elastic memory
Superior load bearing Abrasion resistance Abrasion resistance
Thick section molding Less expensive fabrication Noise reduction
Colorability Corrosion resistance Variable coefficient of friction
Oil resistance Resilience Resilience
Ozone resistance Impact resistance Thick section molding
Radiation resistance Flexibility Lower cost tooling
Broader hardness range Easily moldable Low temperature resistance
Castable nature Non-conductive Cold flow resistance
Low pressure tooling Non-sparking Radiation resistance

Chemical Resistance Chart

A

Recommended – Little or no effect.

B

Minor to moderate effect.

C

Moderate to severe effect.

X

Not recommended.

Acetic Acid

C

Cyclohexane

B

Oleic Acid

B

Acetone

X

Ferric Chloride

A

Olive oil

A

Ammonia Hydroxide

A

FREON-12 ’54C’

A

Oxygen – cold

A

Ammonium Nitrate

X

FREON-113

B

Ozone

A

Ammonium Persulfate

X

Gasoline

A

Palmitic Acid

A

Animal Fats

A

Gelatin

A

Phosphoric Acid 20%

A

ASTM Oil#1 (70oC)

A

Glucose

A

Phosphoric Acid 45%

A

ASTM reference fuel

A

Glue

A

Potassium Chloride

A

Barium Chloride

A

Glycerin

A

Potassium Cupro Cyanide

A

Barium Hydroxide

A

Hydrochloric Acid (cold) 37%

X

Potassium Cyanide

A

Barium Sulfate

A

Hydrochloric Acod (hot) 37%

X

Potassium dichromate

A

Barium Sulfide

A

Hydrofluoric Acid conc. (cold)

X

Potassium nitrate

A

Borax

A

Hydrofluoric Acid conc. (hot)

X

Potassium sulphate

A

Boric Acid

A

Hydrogen Gas

A

Producer gas

A

Butane

A

Isopropyl Acetate

A

Radiation

A

Calcium Bisulphite

A

Kerosene

B

Soap solutions

A

Calcium Chloride

A

LPG

A

Sodium Chloride

A

Calcium Hydroxide

A

Magnesium Chloride

A

Sodium Hydroxide (20%)

B

Calcium Nitrate

A

Magnesium Hydroxide

A

Sodium phosphate

A

Calcium Sulfide

A

Mercury

A

Sodium sulfate

A

Carbon Dioxide

A

Mineral Oil

A

Sodium thiosulfate

A

Carbon Monoxide

A

Natural Gas

B

Stearic acid

A

Castor Oil

A

Nickel Sulfate

A

Sulphuric acid (dilute)

B

Catric Acid

A

Nitric Acid conc

X

Sulphuric acid (conc)

X

Copper Chloride

A

Nitric Acid Dilute

C

Sulphuric acid (20% oleum)

X

Copper Cyanide

A

Nitric Acid red fuming

X

Tannic acid (10%)

A

Copper Sulphate

A

Nitrogen

A

Tartaric acid

A

Cottonseed Oil

A

Octadecane

A

Toluene

C

END USERS

  • OIL AND GAS
  • TEXTILE
  • PRINTING
  • CONSTRUCTION
  • AGRICULTURAL
  • O E M EQUIPMENT
  • PACKAGING
  • FURNITURE
  • METAL FORMING
  • AUTOMOTIVE
  • MINING
  • PROCESS AUTOMATION
  • MATERIAL HANDLING

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