Poly NDT Pte Ltd was established in 1975 in Singapore to provide third party and independent testing and inspection service, such as NDT (Non-Destructive Testing ) services, hazardous materials inspection services.
We are a member of CTI (Centre Testing International Co. Ltd ). which is a international testing, inspection and certification group company.
For NDT service:
►We have ASNT Level 3 engineers to train and qualify NDT technicians to carry out radiographic, ultrasonic, magnetic particle and dye-penetrant inspection to AWS, API and ASME standards. Our technicians have also been trained by accredited institution and CSWIP (UK).
►We are approved to carry out ultrasonic ship hull inspection such as ABS, BKI, BV, DNV, GL, IRS, Lloyds, NK, RINA and KR.
►We have worked at all the major shipyards such as Keppel, Jurong, Sembawang and ST Marine in Singapore.
►We are one of the few NDT companies qualified to do work for Singapore Navy and US Navy.
►We have also worked for Shell, Exxon-Mobil, and other refineries.
►We have carried out work in South-East Asia, China, Japan, Australia, Europe, Arica, South Pacific and the Middle East.
Non-destructive testing or (NDT) is a wide group of analysis techniques, used in science and industry, to evaluate the properties of a material, component or system without causing any damage to it or altering it in any way Because of this, NDT is a highly valuable technique that can save both time and money in product evaluation, troubleshooting, and research.
Common NDT methods include ultrasonic, magnetic-particle, liquid penetrant, radiographic, remote visual inspection (RVI) and eddy-current testing. NDT is commonly used in forensic , mechanical electrical civil , systems and aeronautical engineering.
Depending upon the material to be tested, NDT methods may rely upon the use of electromagnetic radiation, sound and the inherent properties of the material(s) for analysis. Whilst this testing may include microscopy to examine external surfaces in detail, there is no preparation required that may damage the material. The more traditional methods and preparation techniques for metallography, optical microscopy and electron microscopy are generally destructive, as the surfaces must be made smooth through polishing. Otherwise the sample must be electron transparent in thickness to allow for analysis.
With NDT, the inside of a material sample can be examined with penetrating radiation, such as X-rays and Gamma-Ray. Sound waves are also utilized in the case of ultrasonic testing. Any contrast between a defective part of the sample and the main body of the sample may be enhanced for visual examination by using liquids to penetrate fatigue cracks. This method (liquid penetrant testing) involves using fluorescent or non-fluorescent dyes in fluids for non-magnetic materials.. Another commonly used NDT method, used on ferrous materials, involves the application of fine iron particles (either liquid or dry dust) that are applied to a material sample whilst it is in an externally magnetized state (magnetic-particle testing). The particles will be attracted to leakage areas within the test sample, and form on the surface of the material sample. Magnetic particle testing can reveal surface & some sub-surface defects within the sample.
For further enquiry, you are welcome to contact us.
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Chong Kah Fook
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Wong Boon Tiong
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