Which unit should I go to for aggregate performance testing? Baijian.com is a comprehensive collective ownership research institute that integrates testing, inspection, analysis, testing, technical consulting, and other services with CMA and other qualifications recognized by the national metrology certification. It is also rated as a national high-tech enterprise and can issue testing reports within 7-15 working days Testing items: moisture content, particle size distribution, porosity, weak particle content, needle like particle content, crushing index, moisture content, mud content, apparent density, cylinder pressure strength, strength grade, softening coefficient, particle type coefficient, boiling quality loss, loss on ignition, etc Testing standards

Sampling and testing methods for AS 1141.5-2000 aggregates (gravel aggregates) Part 5: Testing of particle density and water retention performance of fine aggregates

AS 1141.6.2-1996 Sampling and testing methods for aggregates (gravel aggregates) Part 6.2: Pyknometer testing for particle density and water retention performance of coarse aggregates

AS 1141.29-1999 Sampling and testing methods for aggregates (gravel aggregates) Part 29: Rapid testing by reflux method (basalt) Stability performance of aggregates

AS 1141.37-2007 aggregates (gravel aggregates) Sampling and testing methods for iron containing aggregates Part 37: Unstable performance testing of aggregates

General performance testing of aggregates in BS EN 932-1997. Sampling methods

General performance testing of aggregates in BS EN 932-2-1999. Reduced laboratory sampling methods

General performance testing of aggregates in BS EN 932-3-1997. Simplified rock description procedures and terminology

General performance testing of aggregates in BS EN 932-6-1999. Definitions of repeatability and reproducibility

BS EN 9 33-1-1997 Geometric performance tests for aggregates. Determination of particle size distribution. Sieve method. BS EN 933-2-1996 Geometric performance tests for aggregates. Definition of particle size and distribution. Sieve test. Universal size of small holes. Testing process. 1. Baijianwei has received a commission from the customer 2. Both parties confirm the service requirements 3. Engineers provide quotations 4. The customer sends samples in the early stage, and BAIJIAN receives the samples 5. Engineers number and organize the samples 6. Both parties shall determine the testing items and sign a confidentiality agreement 7. Assign personnel to the laboratory, establish a team, and arrange testing projects. Having the national high-tech enterprise certificate and CMA testing qualification certificate, with complete testing instruments, the testing report can be issued within 7-15 days Complete the experiment within 8-15 working days 9. The engineer integrates the test results and data, and issues a testing report 10. Send the report to the customer by mail, fax, email, etc

11. Engineers provide follow-up related services

The role of testing reports

1. Third party reports from Baijian.com can be provided to product sales.

2. Test report data is used to prove product quality and the company's reputation 3. The inspection report provided by Baijian.com is for product import and export, market sales, qualification certification, etc 4. The testing report of Baijian.com provides data for relevant scientific research papers 5. Based on the data information from the inspection report of Baijian.com, identify problems with the product, improve product quality, and reduce product costs 6. Assist government units in conducting industrial and commercial quality inspections and market supervision 7. The testing report issued by Baijian.com can be used for bidding and tendering by government departments and public institutions Testing advantages: 1. Baijian.com is a collectively owned research institute unit, rated as a national high-tech enterprise with strong credibility and a wide testing range 2. Possess excellent testing technical capabilities and a sound laboratory management system 3. Multiple laboratory branches nationwide, able to quickly respond to customer needs 4. The service scope covers many fields such as plastics, rocks, metals, polymers, energy, electrical components, biology, raw materials, chemical raw materials, chemical engineering, materials, formula analysis, medicine, food, textiles, leather, environment, and machine testing 5. The testing team has complete testing instruments and can conduct comprehensive testing on samples 6. All experiments focus on protecting the privacy of customers and sign confidentiality agreements 7. Short detection time, low cost, accurate data, and scientific reliability 8. You can send samples for testing and also support on-site sampling nationwide The test report can be issued within 9-15 days