
Cardboard is a thick sheet of paper made from various types of pulp and interwoven fibers. Widely used in daily life. How much do you know about cardboard? Do you know which items need to be tested for cardboard? What testing standards should be followed? Today, the editor will take you to learn about the basic knowledge of cardboard: testing items: edge compression strength, burst strength, puncture strength, adhesive strength, thickness, compressive strength, moisture content, shaking cover bending test, quantitative, whiteness, softness, hole, dust content, tensile strength, lateral suction height, pH value, leakage performance, microorganisms, etc P>
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