Elastomers - Thermoplastic Elastomers
Elastomers - Thermoplastic Elastomers
Elastomers - Thermoplastic Elastomers, Cast Elastomers
Elastomers - Thermoplastic Elastomers
Types of PU Elastomer
PU elastomers are made in a wide variety of hardnesses: from around 10 Shore A to over 60 Shore D.
PU elastomers are generally tough abrasion-resistant materials with good chemical and solvent resistance.
Hot Cast Elastomers
High quality elastomers are based on isocyanate-terminated polyester or polyether prepolymers. The prepolymer is mixed with a chain extender at elevated temperatures ( 50 - 130 C) and poured into heated moulds. Alternatively it can be sprayed or rotational cast (as in the spinning of pipe linings). The most common polyether polyol used is PTMEG (polytetramethylene ether glycol)
The isocyanate used in the prepolymer can be TDI, MDI or in limited cases NDI. The chain extenders used include 1,4-butanediol (14BD), Trimethylolpropane (TMP) and in particular 'MOCA' (methylene bischloraniline)which is a known animal carcinogen and should be treated with extreme caution.
These high grade elastomers find particular application in the mining industry where they are used in mineral processing as separating screens, pipe linings, conveyor scrapers, idler rolls and various components in flotation processes. Outside the mining industry there are many applications in wheels, tyres and rollers.
Cold Cast Elastomers.
These elastomeric materials based on MDI are designed to be mixed and poured (or sprayed) at temperatures below 50 C. They are easy to handle but they do not achieve the high level of properties accorded to hot cast elastomers. They are often used in potting and encapsulation applications, whereas the spray application is used for coating metal to prevent wear or corrosion for instance.
To contact Ariel Industries about Elastomers - Thermoplastic Elastomers use Get a quote.
Elastomers - Thermoplastic Elastomers
Types of PU Elastomer
PU elastomers are made in a wide variety of hardnesses: from around 10 Shore A to over 60 Shore D.
PU elastomers are generally tough abrasion-resistant materials with good chemical and solvent resistance.
Hot Cast Elastomers
High quality elastomers are based on isocyanate-terminated polyester or polyether prepolymers. The prepolymer is mixed with a chain extender at elevated temperatures ( 50 - 130 C) and poured into heated moulds. Alternatively it can be sprayed or rotational cast (as in the spinning of pipe linings). The most common polyether polyol used is PTMEG (polytetramethylene ether glycol)
The isocyanate used in the prepolymer can be TDI, MDI or in limited cases NDI. The chain extenders used include 1,4-butanediol (14BD), Trimethylolpropane (TMP) and in particular 'MOCA' (methylene bischloraniline)which is a known animal carcinogen and should be treated with extreme caution.
These high grade elastomers find particular application in the mining industry where they are used in mineral processing as separating screens, pipe linings, conveyor scrapers, idler rolls and various components in flotation processes. Outside the mining industry there are many applications in wheels, tyres and rollers.
Cold Cast Elastomers.
These elastomeric materials based on MDI are designed to be mixed and poured (or sprayed) at temperatures below 50 C. They are easy to handle but they do not achieve the high level of properties accorded to hot cast elastomers. They are often used in potting and encapsulation applications, whereas the spray application is used for coating metal to prevent wear or corrosion for instance.
To contact Ariel Industries about Elastomers - Thermoplastic Elastomers use Get a quote.
Ariel Industries supplies polyurethane elastomers, used for cast components and coatings, in hot-cast and cold-cast forms. PU elastomers range from around 10 Shore A to over 60 Shore D, so buyers can select a hardness suited to their application. Mining operations use high-grade elastomers in mineral processing as separating screens, pipe linings, conveyor scrapers, idler rolls and components in flotation processes.
- Hot-cast prepolymer and chain extender mix at 50–130°C before pouring into heated moulds
- Hot-cast materials can also be sprayed or rotationally cast
- Cold-cast MDI materials are mixed and poured or sprayed below 50°C
- PU elastomers generally resist abrasion, chemicals and solvents
- MOCA chain extender is a known animal carcinogen; treat with extreme caution
Source: listing by Ariel Industries on IndustrySearch · Updated 2 Nov 2026
AI Overview is generated by artificial intelligence and may contain mistakes.
Written by AI from the listing by Ariel Industries on IndustrySearch. It is meant to use only what that listing says, but it can still get details wrong, so check them with the supplier before you buy.
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