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Cement testing

The building materials laboratory is equipped with sophisticated instruments and equipment, and experienced technical personnel. According to the standard method, it can provide technical services for construction engineering testing for customers. The laboratory area is 1500 square meters, and there are more than 400 sets of equipment. According to the relevant national laws, regulations and mandatory standards for engineering construction, the sampling inspection of the items involving structural safety and the witness sampling and testing of the building materials and components entering the construction site are carried out. In order to ensure the quality and safety of construction projects, the quality of building materials used shall comply with the relevant national construction quality acceptance standards / specifications.

Qualification certificate of building materials laboratory:

1. The company has been issued by Shanghai market supervision bureau

2. Our company has been awarded (laboratory accreditation certificate) by China National Accreditation Commission for conformity assessment

3. The company has been approved by Shanghai housing and Urban Rural Construction Management Committee (qualification certificate of construction project quality inspection organization)

4. The company obtained the Shanghai Construction Engineering Inspection Industry Association (evaluation certificate)

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Cement testing

cement

Product name

Test standard

Test items

portland cement

GB 175-2007

setting time

Specific surface area

Stability

Fluidity of mortar

requirement of normal consistency

Mortar strength

density

Insoluble matter

Loss on ignition

Sulfur trioxide

magnesium oxide

Ordinary portland cement

setting time

Specific surface area

Stability

Fluidity of mortar

requirement of normal consistency

Mortar strength

density

Loss on ignition

Sulfur trioxide

magnesium oxide

Slag Portland cement pozzolanic Portland cement fly ash Portland cement composite Portland cement

setting time

fineness

Stability

Fluidity of rubber sand

requirement of normal consistency

Mortar strength

density

Sulfur trioxide

magnesium oxide


Founded in 2002 and headquartered in Haidian District, Beijing, the company has developed into a large-scale comprehensive inspection and certification group with nearly 30 large-scale experimental bases, nearly 100 wholly-owned subsidiaries and service network all over the country.
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