Polyurethane rigid foam is a kind of high molecular polymer、 which is made of isocyanate and polyether as main raw materials、 mixed by special equipment under the action of foaming agent、 catalyst、 flame retardant and other additives、 and foamed on site by high-pressure spraying. There are two types of polyurethane foam: soft foam and hard foam. Soft bubbles have an open pore structure、 while hard bubbles have a closed pore structure; Soft bubbles can be divided into two types: skinned and non skinned. The main function of polyurethane soft foam is cushioning. Polyurethane soft foam is commonly used in sofa furniture、 pillows、 seat cushions、 toys、 clothing、 and soundproof lining p>
Testing cost: It needs to be determined based on factors such as qualification requirements and testing items. The third-party testing agency of Baijia.net will arrange engineers to communicate with you and provide a quotation while confirming the plan p>
The service and product scope of third-party testing institutions for inspection include multiple fields such as food、 environment、 medical、 building materials、 electronics、 chemical、 automotive、 home、 mother and child、 toys、 bags、 water quality、 cosmetics、 textiles、 daily chemicals、 agricultural products、 etc p>
The third-party testing institutions stationed by BAIJIAN cover the entire testing industry. Online one-on-one service. The inspection report is delivered on time and with good quality、 and customers can enjoy the report delivery service. On the Baijian platform、 customers can complete the inspection process online from ordering services to submitting commission information to finally paying the inspection fee. They don't need to go out to complete the inspection process. The report was delivered on time and with good quality. The platform is committed to providing testing services for enterprises and individuals. It uses Internet+testing e-commerce to provide customers with diversified testing services 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 problemsinspection 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