Dotmar Launches the First Thermoplastic Vessels Design and Fabrication Code
of Practice in Australia and New Zealand
Dotmar announces an Australian “Code Of Practice For The Fabrication Of Thermoplastic
(PRWEB) August 14, 2009 -- Dotmar is proud to announce the introduction of a “Of Practice For The Fabrication
Of Thermoplastic Vessels” Thermoplastics such as the polyolefin group have different physical property and
corrosion mechanisms compared with metals. It is essential that material selection, design calculations and
fabrication control take account of the specific properties and behaviour under load of thermoplastics. Dotmar
continues to work with the Plastic Fabrication Industry within Australia & New Zealand, Australian Standards &
key suppliers to ensure that safe plastic vessel design & fabrication techniques are employed to the highest of
world standards says Scott Foster, Dotmar’s Group General Manager Sales & Marketing.
Thermoplastics such as the polyolefin group have different physical property and corrosion mechanisms
compared with metals. It is essential that material selection, design calculations and fabrication control take
account of the specific properties and behavior under load of thermoplastics. The topics addressed below are
intended to give those interested parties, without extensive plastics knowledge, but involved in the use of
chemical storage vessels, a code of practice in the absence of a current Australian Standard. Our common
objective is to provide a thermoplastic vessel engineered for the expected service life which provides paramount
safety, performance and value for the end users.
Unlike metals, media temperatures are limited to lower levels where thermoplastics are used as structurally self
supporting chemical storage tanks. This of course is subject to the chemical resistance limitation on temperature.
The elastic modulus of thermoplastics is, unlike metals, highly temperature dependent.
Material grade selection based on the