Hainan continues to improve its testing capabilities for fully biodegradable materials and products and promotes the high-quality development of the degradation industry
Can fully biodegradable plastic products be degraded? In Hainan, the answer can be revealed in just 7 days. “But in the past, it usually took 3 to 6 months.” Recently, the relevant person …
my country’s pressure testing membrane production continues to grow, and there is a large supply and demand gap in the market
Pressure test membrane, also known as “pressure-sensitive paper” and “pressure-sensitive film”, is a membrane material that can accurately measure pressure, pressure distributi…
[White oil supply and procurement] List of physical and chemical properties and testing items of food-grade white oil
Food-grade white oil is obtained by using hydrogenated raw materials and undergoing deep refining. mineral oil. In terms of performance, food-grade white oil has good yellowing resistance, antioxidant…
[Supply and sales of n-octanoic acid] Testing methods and requirements for n-octanoic acid
N-octanoic acid is a colorless and transparent liquid. Relative density 0.908. The melting point is 16.5℃, the boiling point is 237℃, the refractive index is 1.4285, and the flash point is 106℃. Sligh…
What are the testing methods for foaming agent H?
At present, there are more than 10 testing methods for cement foaming agents in China, and the standards and testing methods developed by many companies themselves are not among them. These methods ar…
Brief analysis of testing problems of concrete admixture quality
Concrete materials play an important role in construction projects. Concrete admixtures are an important component of concrete and affect the performance and quality of concrete to a great extent. Con…
What impact does testing the solid content of concrete admixtures have on cement?
According to our understanding, we learned that the liquid admixtures delivered to the mixing station generally involve the control of solid content. According to needs, if you want to adjust the wate…
Tell you the commonly used testing methods for the retarding time of concrete retarder
In fact, the current evaluation method for the retarding effect of concrete retarder is still relatively limited, mainly the measurement of retarder setting time and setting time difference. 1. For cl…
Durability testing of concrete admixtures
In addition to having appropriate strength, concrete should also include application-level precautions, including resistance to cold, water penetration, chloride ion penetration, shrinkage, carbonizat…
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