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    1. Our service

      Centre Testing International Co., Ltd. (CTI) is the pioneer and leader in the TIC Industry which provides one-stop solutions on testing, inspection, certification, calibration, audit, training & technical services.

       

      By Industry

      Our service capabilties cover the upstream and downstream of the supply chain including textile and apparel,toys,electronic appliances,medical health,food...andother industries.

      Specialty

      Comprehensively guarantee quality and safety, promote compliance and innovation, demonstrate brand competitiveness, and achieve higher quality, healthier, safer, and greener sustainable development.

      AUTHORITY & TRUST
      QUALITY & VALUE
      Testing of Polymer Materials

      CTI has a variety of physical testing capabilities for polymer materials, including density, hardness, tensile, bending, impact, compression, DSC, TGA, melt flow rate, brittleness temperature, temperature of deflection under load, Vicat softening temperature, ash content, flammability, high temperature aging, low temperature aging and xenon-arc weathering tests. The testing methods meet the international standards (ISO), national standards (GB) and other tests according to the standard requirements of OEMs, the test objects includes PC, ABS, PP, PE, LDPE and HDPE.
      Service cycle: 7-10 working days (Aging test depends on the specific test time).

      Testing of Polymer Materials

      ?   Service Background

      In today's society, automobile has become an indispensable tool for modern people's life. As the basis of vehicle production, the quality of automobile materials is directly related to the success of the vehicle. CTI, as an internationally recognized inspection, identification, testing and certification organization, test various physical properties of various polymer materials for car body, including mechanical properties, thermal properties and optical properties. These performance parameters are an important part of the whole material quality.

      ?   Service Content 

      CTI has a variety of physical testing capabilities for polymer materials, customers can place orders online. Service cycle: 7-10 working days (Aging test depends on the specific test time).

      Test Item

      Test Method

      Test qualification

      Sample quantitiy

      Density

      GB/T 1033.1-2008 Method A(Immerse method )

      CNAS, CMA

      About 100g, test panel or finished sample. Particles are objected

      Shore hardness

      GB/T 2411-2008

      CNAS, CMA

      Min.24×60mm plane, thickness ≥6mm(Multi layer stacking)

      Tensile property

      GB/T 1040.2-2006

      CNAS, CMA

      Dumbbell shaped spline, it is recommended to send raw materials for sample preparation

      Flexural properties

      GB/T 9341-2008

      CNAS, CMA

      Standard Sample:80×10×4mm, 5pcs

      IZOD impact strength

      GB/T 1843-2008

      CNAS, CMA

      Standard Sample:80×10×4mm,10pcs

      Charpy impact strength

      GB/T 1043.1-2008

      CNAS, CMA

      Standard Sample:80×10×4mm,10pcs

      Propressive properties

      GB/T 1041-2008

      CNAS, CMA

      Preferred size: 10×10×4mm, 5pcs

      TGA

      ISO 11358-1:2014

      CNAS, CMA

      /

      DSC

      ISO 11357-3:2018

      CNAS, CMA

      /

      Melt flow rate

      GB/T 3682-2000

      CNAS, CMA

      50g~100g Particles or finished product

      Low temperature embrittlement

      GB/T 15256-2014

      CNAS, CMA

      50×50×2mm, 3pcs(Specified temperature point)

      When the temperature point is not specified, the quantity should be increased appropriately

      Temperature of deflection under load

      GB/T 1634.2-2004

      CNAS, CMA

      Standard sample:80×10×4mm, 5pcs

      Vicat softening temperature

      GB/T 1633-2000

      CNAS, CMA

      Min.10×10mm, 3~6.5mm(At most 3 layers are superposed, and the top layer is at least 1.5mm), 5pcs

      Ash

      GB/T 9345.1-2008

      Method A

      CNAS

      /

      Flammability

      GB 8410-2006

      CNAS, CMA

      100*356*thickness(<13mm),5pcs

      High temperature ageing

      GB/T 2423.2-2008

      CNAS, CMA

      /

      Low temperature ageing

      GB/T 2423.1-2008

      CNAS, CMA

      /

      Xenon-arc weathering test chamber

      GB/T 16422.2-2014

      CNAS, CMA

      /

      ?   Solution

      CTI provides a comprehensive one-stop service for material physical properties, including:

      • Tensile propertity
      • Product inspection
      • Issue report
      • Capability audit
      • Training and consulting services, etc.

      ?   Our Advantages

      • Independent, professional automotive laboratory, experienced technology and service team, professional R & D team;
      • Advanced testing equipment can meet different testing requirements in the market, as well as the rapid response ability to new equipment requirements;
      • Covering material physical comprehensive testing ability, familiar with all kinds of national regulations and standards, in China's automotive industry, has been widely recognized by the main engine manufacturers and suppliers at all levels.

       

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