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
Thermal Performance and Cleanliness of Parts

Thermal performance is one of the important properties of materials, and it is the prerequisite to ensure the application of materials. Therefore, the thermal performance test is one of the important means of material science research. The purpose of ensuring cleanliness is to make the product reach the specified life, and not to shorten the service life due to pollution in the process of manufacturing, use and maintenance. Therefore, in order to ensure the product quality, the cleanliness test of parts is essential. CTI can provide customers with fast and accurate thermal performance and parts cleanliness test.

Thermal Performance and Cleanliness of Parts

◉    Service Background

  1. Reduce the wear of particulate pollutants and improve the service life and reliability of the whole machine;
  2. Prevent impurities from blocking, damaging and invalidating the filter element;
  3. Quality control in the production process;
  4. Important ways of material research.

◉    Service Content

  1. Routine test items and standards

Metal linear expansion coefficient

ASTM E831

Melting point

ASTM E537GB/T 1425

Metal specific heat method (sapphire)

ASTM E1269

The thermal diffusion coefficient (vertical)

ASTM E1461GB/T 22588

Thermal diffusion coefficient (horizontal)

ASTM E1461GB/T 22588

The metal thermal conductivity--ongitudinal

ASTM E1461GB/T 22588

The metal thermal conductivity--transverse

ASTM E1461GB/T 22588

Parts cleanliness--Extraction of decay curve test

VDA 19.1ISO 16232

Parts cleanliness

VDA 19.1ISO 16232

  1. Adaptive range of product

It is suitable for metal materials and their products, auto parts, aerospace parts, electronic products, etc.

  1. Routine sample requirements

Metal linear expansion coefficient

  1. The maximum length and width are 10 mm, the maximum height is 25 mm and the minimum height is 2 mm. The upper and lower surfaces are flat and the parallelism difference is ± 25 μM. (Note: if the linear expansion coefficient is lower than 20 μM / m, the sample height needs to be 20 mm);
  2. Test temperature range shall be provided

Melting point

The sample size should be greater than 2g, and the sample material should be provided

Metal specific heat method (sapphire)

The sample size should be greater than 2g

The thermal diffusion coefficient (vertical)

  1. Diameter: 12.7 ± 0.2mm or 10 × 10 ± 0.2mm, thickness: 1 ~ 3mm;
  2. Test temperature shall be provided;
  3. Send at least 3 samples in accordance with the size

Thermal diffusion coefficient (horizontal)

  1. Diameter: 25.4 ± 0.2mm, thickness: 0.01 ~ 0.5mm;
  2. Test temperature shall be provided;
  3. Send at least 3 samples in accordance with the size

The metal thermal conductivity--ongitudinal

  1. Diameter: 12.7 ± 0.2mm or 10 × 10 ± 0.2mm, thickness: 1 ~ 3mm;
  2. Test temperature shall be provided;
  3. Send at least 3 samples in accordance with the size

The metal thermal conductivity--transverse

  1. Diameter: 25.4 ± 0.2mm, thickness: 0.01 ~ 0.5mm;
  2. Test temperature shall be provided;
  3. Send at least 3 samples in accordance with the size

Parts cleanliness--Extraction of decay curve test

  1. The sample size is less than 30cm * 20cm * 10cm, and sealed independently;
  2. The total area of the test sample is more than 200cm2

Parts cleanliness

1.   The sample is less than 30cm * 20cm * 10cm, and sealed independently;

2.   The total area of the test sample is more than 200cm2

  1. Our Advantages

1) We have experienced technicians to provide detailed solutions;

2) We have professional and precise testing equipments to provide different detection methods;

3) We have complete test report process to ensure accurate and reliable test results.

 

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