The items for wire and cable inspection include: 1. Appearance: thickness, outer diameter, wire diameter, etc; 2. Mechanical properties: insulation and sheath mechanical properties, hardness, tensile properties, tear properties, compression properties, bending properties, impact properties, friction properties, fatigue resistance, etc; 3. Combustion performance: vertical combustion (or dripping) of a single cable, vertical combustion of bundled cables, smoke density, smoke toxicity, total amount of halogen acid gas, gas acidity, fire-resistant combustion, halogen-free characteristics, low smoke characteristics, flame retardant performance, etc; 4. Electrical performance: conductor resistance, insulation resistance, withstand voltage, power frequency voltage test, resistivity, dielectric constant, etc; 5. Life test: Aging test (UV, xenon lamp, carbon arc lamp, ozone), life assessment, etc Testing standard: GA 306.1 Flame retardant and fire-resistant cables - Plastic insulation, flame retardant and fire-resistant cables - Classification and requirements - Part 1: Flame retardant cables; GA 306.2 Flame retardant and fire-resistant cables - Plastic insulation - Classification and requirements for flame retardant and fire-resistant cables - Part 2: Fire resistant cables; GA 535 Flame-retardant and fire-resistant cables - Classification and requirements for flame-retardant rubber insulated cables; GB/T 11017.1 Rated voltage 110kV (Um=126kV) cross-linked polyethylene insulated power cables and their accessories - Part 1: Test methods and requirements; GB/T 11017.2 Cross linked polyethylene insulated power cables and their accessories with rated voltage of 110kV (Um=126kV) - Part 2: Cables; GB/T 11017.3 Cross linked polyethylene insulated power cables and their accessories with rated voltage of 110kV (Um=126kV) - Part 3: Cable accessories
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 problemsBaijian 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 requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. 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