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Chemical and physical testing

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BOSMAL, for the railway sector, performs a range of chemical tests (including techniques: ICP-OES, WD-XRF, GC-MS, IR spectrometry) as well as tests to investigate physical properties, including the evaluation of the product after other tests, e.g. ageing. Selected tests are listed below.

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Studies on temperature and decomposition rate of polymer objects such as plastics, plastic products, rubber, rubber products

  • using the thermogravimetric method (TGA), the amount of volatile substances, additives and/or fillers in the polymer is measured in the temperature range (25 – 1000) °C, according to EN ISO 11358-1

Testing the elemental content of metal and plastic products, construction products and materials, iron alloy products, copper, aluminium, zinc including heavy and precious metals.

  • tests carried out using the following methods: optical emission spectrometry (ICP-OES), X-ray fluorescence spectrometry (WD-XRF), high temperature combustion with IR detection, laser-induced breakdown spectroscopy (LIBS), scanning electron microscopy with EDS detection (SEM-EDS) and spectrophotometry
  • tests within and outside the scope of accreditation

Examples of photographs of the BOSMAL test apparatus used for the chemical tests described above

Assessment of damage to coatings (for galvanic and paint coatings on metal and plastic substrates, metal products, plastic products)

  • coating damage assessment – damage quantity and extent, according to EN ISO 4628-1
  • coating damage assessment – blistering, according to EN ISO 4628-2 and other standards
  • coating damage assessment – rusting, according to EN ISO 4628-3 and other standards
  • coating damage assessment – cracking, according to EN ISO 4628-4
  • coating damage assessment – peeling, according to EN ISO 4628-5
  • coating damage assessment – delamination and corrosion around cracks, according to PN-EN ISO 4628-8

Liquid resistance tests – EN ISO 2812-1

Thickness tests of galvanic and paint coatings on metal and plastic substrates

  • Coating thickness: magnetic method, according to EN ISO 2178, EN ISO 2808, met. 7B2 and other standards
  • Coat thickness: eddy current method, according to EN ISO 2808, met. 7C
  • Coatings thickness: microscopic method acc. to PN-EN ISO 2808, met. 6A

Density tests on plastics and rubber and products made from these materials

  • immersion test, according to EN ISO 1183-1, met. A, ISO 2781

Flammability testing of materials 

  • implemented, among others, according to standards UL94 and EN 60695-11-10, PN-ISO 3795, FMVSS 302, UNECE Regulation No. 118

Examples of photographs of test apparatus and test objects during tests of physical properties


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