Which company does the thermal aging retention rate test go to? Baijian.com is a comprehensive collective owned research institute that integrates testing, inspection, analysis, testing, technical consulting, and other services with CMA and other qualifications recognized by the national metrology certification. It can also carry out testing projects such as thermal aging retention rate testing. It has been rated as a national high-tech enterprise and can issue testing reports within 7-15 working days Testing items include thermal aging retention rate testing, etc Testing standards GB/T 2951.12-2008 General test methods for insulation and sheath materials of cables and optical cables Part 12: General test methods Thermal aging test methods GB/T 2951.42-2008 General test methods for insulation and sheath materials of cables and optical cables Part 42: Special test methods for polyethylene and polypropylene mixtures Tensile strength and elongation at break after high temperature treatment Winding test after high temperature treatment Winding test after air thermal aging Determination of Quality Increase Long term Thermal Stability Test Method for Copper Catalytic Oxidation Degradation Test

GB/T 5755-2013 Steel Wire Rope Core Conveyor Belt Rope and Coating Rubber Adhesion Test in Original State and After Thermal Aging

GB/T 7141-2008 Plastics Thermal Aging Test Method

GB/T 7142-2002 Plastics Determination of Time Temperature Limit after Long term Thermal Exposure

GB/T 9871-2008 Determination of Tensile Stress Aging Performance of Vulcanized Rubber or Thermoplastic Rubber Relaxation test

GB/T 11026.7-2014 Electrical insulation materials - Heat resistance - Part 7: Determination of relative heat resistance index (RTE) of insulation materials

GB/T 11026.10-2019 Electrical insulation materials - Heat resistance - Part 10: Accelerated determination of relative heat resistance index (RTEA) using analytical testing methods Guidelines based on activation energy calculation

GB/T 11028-1999 Test Method for Determining the Adhesion Strength of Impregnators to Enamel Wire Substrates

GB/T 15905-1995 Wet Heat Aging Test Method for Vulcanized Rubber

1. Baijiawang has received a commission from the customer 2. Both parties confirm the service requirements 3. Engineers provide quotations 4. The customer sends samples in the early stage, and BAIJIAN receives the samples 5. Engineers number and organize the samples 6. Both parties shall determine the testing items and sign a confidentiality agreement 7. Assign personnel to the laboratory, establish a team, and arrange testing projects. Having the national high-tech enterprise certificate and CMA testing qualification certificate, with complete testing instruments, the testing report can be issued within 7-15 days Complete the experiment within 8-15 working days 9. The engineer integrates the test results and data, and issues a testing report 10. Send the report to the customer by mail, fax, email, etc 11. Engineers provide follow-up related services