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 Advantage

  • 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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