Australia's largest thermoplastics company, Dotmar Engineering Plastics Products Pty. Ltd., has spent A$250,000 (US$215,000) on new polyurethane casting equipment that the firm expects will double its PU-related business within two years.
Leon van den Heever, Brisbane-based Dotmar's PU product manager, said two new PU dispensing machines will be installed and commissioned before June.
These are computerized, multicolor, multiduro, high-volume PU dispensing machines, with expandable flexibility for future growth and the capacity to cope with numerous raw material technologies, including tank expansion and the option to manufacture TDI [toluene diisocyanate] and MDI [methylene diphenyl diisocyanate] materials, van den Heever said.
The machinery came from Techno Pu.Ma. of Conselve, Italy, which specializes in PU casting, molding and foaming equipment.
Van den Heever said the two machines, a smaller two-component unit with a 70-liter tank capacity, and a large three-component unit with a 250-liter tank capacity, will automate dispensing previously done manually. The installation will double Dotmar's PU business within 18-24 months, he predicted.
Van den Heever, who was previously a Dotmar business unit manager for two years, said the firm had focused on PU sheet, rod, tube and custom cast components since its 2007 purchase by Sydney-based Metal Manufactures Ltd.
PU elastomers are an extremely versatile, flexible engineering material, with a unique design and construction that combines many of the advantages of rigid plastics, metals and ceramics with the extensibility of rubber. PU can be adapted to comprise a wide range of unique properties, which is a key factor of its versatility, van den Heever said.
Dotmar's clients are in the mining and general industries. The company has offices in all six Australian states and New Zealand.
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