Scope
This section specifies the classification, marking, specifications, technical requirements, test methods, inspection rules, sampling and judgment rules, as well as identification, transportation, stacking, and factory certification of glass fiber reinforced plastic cable conduits This section is applicable to glass fiber reinforced plastic cable conduits made with thermosetting resin as the matrix, glass fiber untwisted roving and its products as reinforcement materials, and using fixed length mechanical winding, weaving winding, and extrusion processes The following documents are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document GB/T 1446 General Principles for Testing the Properties of Fiber Reinforced Plastics
GB/T 1549 Chemical Analysis Methods for Fiber Glass
GB/T 1634.2 Determination of Load Deformation Temperature of Plastics, Part 2: Plastics Hard rubber and long fiber reinforced composite materials
GB/T 3854 Fiber reinforced plastics Babbitt (Barcol) Hardness Test Method
GB/T 5352 Fiber Reinforced Thermosetting Plastic Pipe Parallel Plate External Load Performance Test Method
GB/T 8237 Liquid Unsaturated Polyester Resin for Fiber Reinforced Plastics
GB/T 8924 Fiber Reinforced Plastics Combustion Performance Test Method Oxygen Index Method
GB/T 18369 Glass Fiber Twistless Rove
GB/T 18370 Glass Fiber Twistless Rove
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