High Performance Hot Cast Elastomer Polyurethane Systems

Stobicast® HC

Stobicast® Hot Cast (HC) Polyurethane systems are customizable to suit your specific application requirements; therefore, covering a broad spectrum of industries to create technical and commercial products. The aromatic isocyanate prepolymers offer multiple hardness's, tightly controlled NCO ranges and viscosities suitable for numerous applications requiring a high-performance elastomer.

Stobicast® HC has been found suitable for all types of industrial and commercial applications including mining, pipeline pigging, construction, transportation and agriculture. These applications include, but are not limited to:

  • Pipeline pigs
  • Wheels for forklifts to skates
  • Roller coating
  • Conveyor belts
  • Snow plough blades

All products have superior processing attributes that optimize the efficiency and quality of the finished goods making them truly the choice of the professional.

Stobicast® HC Products

The product listing below is a sample of products in the STOBICAST® HC portfolio and may be produced in select locations. Let us help you find – or develop – the perfect product for your application. Please call us or use the ‘Contact Us’ page on this website for product selection assistance.

MDI and TDI Terminated Polyester Prepolymer(s)

The benefits of MDI and TDI based polyester prepolymers are superior chemical resistance, abrasion resistance and tear resistance. Designed for use in high property elastomers, elastometric coatings and adhesive applications, these products are available with various NCOs.

Stobicast® HC 1520

A MDI terminated polyester prepolymer with low temperature properties designed for applications such as snow plow blades and sand spinners

Stobicast® HC 1521

A MDI terminated polyester prepolymer with high abrasion and tear resistance designed for applications such as tires and die cut blankets

Stobicast® HC 1523

A MDI terminated polyester prepolymer with high tear resistance designed for applications such as castor wheels

Stobicast® HC 1532

A TDI terminated polyester prepolymer with high tensile and tear strength designed for elastomeric coatings and adhesives

Stobicast® HC 1535

A TDI terminated polyester prepolymer with high abrasion and tear resistance designed for applications such as pipeline pigs


MDI and TDI Terminated Polyether Prepolymer(s)

The benefits of MDI and TDI based polyether prepolymers include high resiliency, hydrolytic stability and microbial resistance. The benefits of TDI-based polyether prepolymers include hydrolytic stability and microbial resistance. These products are available with various NCOs.

Stobicast® HC 1525

A MDI terminated PTMEG prepolymer with high resilience designed for applications such as hydro cyclones, wheels and bushings

Stobicast® HC 1528

A TDI terminated PTMEG prepolymer designed for high property elastomer and adhesive applications

Stobicast® HC Curatives

Curatives are used with the prepolymers to form a chemical reaction. Different curatives will create different final properties. Please contact us for assistance on product selection.

Stobicast® HC Curative B

1,4 Butanediol

Stobicast® HC Curative E

1,2 Ethylene Glycol

Stobicast® HC Curative P

1,2 Propanediol