What are the applications of modified nylon in automobile engines?
Nylon has high impact strength and excellent comprehensive properties such as friction resistance, heat resistance, chemical resistance, lubricity and dyeability, especially after fiber reinforcement …
Directly synthesized with CO₂ and biodegradable, what is the difference between this waterproof and breathable membrane made of carbon-negative materials?
Green environmental protection and sustainability have always been a common goal of the textile industry. Especially in recent years, driven by the global “carbon neutrality” trend and rel…
What are the advantages and disadvantages of PLA fiber? Guyuan Biotech realizes industrialized production of PLA fiber
With the development of science and technology, more and more innovative materials are becoming available. Among them, polylactic acid (PLA) fiber is a green, degradable and environmentally friendly f…
What types of water reducing agents are there? What are the characteristics of each?
The most widely used types of water-reducing agents at present are lignin-based water-reducing agents, naphthalene-based water-reducing agents, melamine-based high-efficiency water-reducing agents, an…
What are the regulations on the representative batch size of concrete admixtures?
1. Concrete admixtures based on the GB8076 standard of “Concrete Admixtures”: each number of the same type of admixture with a content of ≥1% is 100 tons, and each number of admixtures wit…
What are the requirements for the mud content and mud lump content of sand in construction mortar?
Mud content refers to the content of particles with a nominal particle size less than 80um in the aggregate. The mud content of sand refers to the content of particles in the sand that have a nominal …
What are the fine aggregates used in construction mortar?
Fine aggregates for construction mortar include natural sand and artificial sand. Natural sand refers to rock particles formed by natural conditions and with a nominal particle size less than 5.00mm. …
What are the requirements for raw materials of ready-mixed mortar?
Ready-mixed mortar is different from traditional mortar. In addition to requiring a certain strength, it is more important to have good retention, adhesion, and constructability. In order to ensure go…
What are the raw materials used in construction mortar?
Construction mortar is a functional material that usually forms a whole with the matrix. For example, masonry mortar bonds bricks, blocks and other blocks into a whole to bear the load together; plast…
What are the similarities and differences between wet mix mortar and dry mix mortar?
(1) Similarities ①They are all produced and supplied by professional manufacturers. ② There are professional and technical personnel to carry out mortar mix ratio design, formula preparation and morta…
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