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)
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 |