Test Items:
Alkali resistance, tensile strength (tensile strength), brittleness temperature, rubber hardness, aging test, elongation (elongation at pull), low-temperature bending, peel strength (rubber and metal adhesion), compression permanent deformation, tear strength

Testing standards:
1、DL/T 5215-2005 Technical specification of waterstop for hydraulic buildings
2、GB/T 529-2008 Determination of tearing strength of vulcanized rubber or thermoplastic rubber (trouser, right-angle and crescent-shaped specimens)
3、GB/T 18173.3-2014 Polymer waterproof material Part 3: water swelling rubber
4、GB/T 528-2009 Determination of tensile stress-strain properties of vulcanized or thermoplastic rubber
5、GB/T 531.1-2008 Test method for indentation hardness of vulcanized rubber or thermoplastic rubber Part 1: Shore hardness tester method (Shore hardness)
6、GB/T 18173.2-2014 Polymer waterproof material Part 2: water stopper
7、GB/T 7759.2-2014 Determination of compression permanent deformation of vulcanized rubber or thermoplastic rubber Part 2: Under low temperature conditions
8、GB/T 15256-2014 Determination of brittleness of vulcanized rubber or thermoplastic rubber at low temperature (multi-sample method)
9、GB/T 18173.1-2012 Polymer waterproofing materials Part 1: Sheets
10、GB/T 2941-2006 General procedures for specimen preparation and conditioning of rubber physical test methods
11、GB/T 7762-2014 Static tensile test for ozone cracking resistance of vulcanized rubber or thermoplastic rubber
12、GB/T 3512-2014 Accelerated hot air aging and heat resistance test for vulcanized rubber or thermoplastic rubber
13、GB/T 7759.1-2015 Determination of compression permanent deformation of vulcanized rubber or thermoplastic rubber Part 1: At room temperature and high temperature condition

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 problems
 

100% inspection 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 required
 

Testing and testing characteristics:

1.The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby
 
3. 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