Testing of sealing materials for doors and windows of rolling stockHow to apply for a report? What items need to be tested? We will conduct testing and evaluation in strict accordance with the standards. We can also provide personalized testing plans and reports according to your needs.

Test items:

Partial parameters, 45° burning angle, product size and limit deviation, elongation at break, permanent deformation at break, tear strength, tensile strength at break, oxygen index, smoke density, hot air aging, hardness, alkali resistance, ozone resistance, acid resistance, brittle temperature, surface quality, all parameters, hardness (Shore A), oxygen index (LOI), surface drying time, size deviation, part of the project

Testing standards:

1. GB/T 529-2008 Determination of tear strength of vulcanized rubber or thermoplastic rubber (trouser-shaped, right-angled and crescent-shaped specimens

2. GB/T 8323.2-2008 Plastics Smoke generation Part 2: Test method for determination of smoke density by single chamber method

3. GB/T 10707-2008 Determination of combustion properties of rubber

4. GB/T 528-2009 Vulcanized rubber or thermoplastic rubber Determination of tensile stress-strain properties

5. GB/T 1690-2010 Vulcanized rubber or thermoplastic rubber Liquid resistance test method

6. GB/T 531.1-2008 Vulcanized rubber or thermoplastic rubber Indentation hardness test method Part 1: Shore hardness tester method (Shore hardness)

7. TB/T 1422-2013 Sealing materials for doors and windows of locomotives and rolling stock

8. GB/T 1682-1994 Determination of low temperature brittleness of vulcanized rubber Single specimen method

9. GB/T 7762-2003 Static tensile test for resistance to ozone cracking of vulcanized rubber or thermoplastic rubber

10. TB/T 1422-2013 Sealing materials for doors and windows of locomotives and rolling stock TB/T 1422-2013

11. GB/T 3512-2001 Vulcanized rubber or thermoplastic rubber Hot air accelerated aging and heat resistance test

12. TB/T 3138-2006 Technical conditions for flame retardant materials for locomotives and rolling stock

Testing fee price:

Due to the different test items and experimental complexities, please contact customer service for specific confirmation and quotation.

Function of testing report:

1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms
 
3. Used as a sales report: issuing legally effective testing reports to make consumers more confident
 
4. Papers and research: Provide professional personalized testing needs
 
5. Judicial services: providing scientific, fair, and accurate testing data
 
6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problems
 

inspection and testing process:

1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations
 
3. Mail samples and arrange testing
 
4. Progress tracking and result feedback
 
5. Provide reports and after-sales service
 
6. If urgent or priority processing is required
 

Testing and testing characteristics:

1.The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby
 
3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service
 
7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc
 
8. The testing report is authoritative and effective, and is generally used in China
 
 

Test report function

1、Project bidding: issue authoritative third-party CMA/CNAS qualification report；

2、E-commerce platform entry: quality inspection reports recognized by major e-commerce platforms；

3、Used as sales report: issuing a test report with legal effect to make consumers feel more at ease；

4、Papers and scientific research: providing professional and personalized testing needs；

5、Judicial services: providing scientific, fair and accurate testing data；

6、Industrial problem diagnosis: verifying the troubleshooting and correction of problems in industrial production；