A brief discussion on the effect of antifreeze on the frost resistance of concrete Tianchang antifreeze price Mingguang early strength antifreeze manufacturer Lai’an County antifreeze water reducing agent price Quanjiao antifreeze Dingyuan early strength antifreeze water reducing agent
In recent years, with the continuous development of highways in our country, the construction period has been continuously shortened, and it is very common for concrete structures to be constructed in…
Tips for improving the sealing effect of high-efficiency filter glue
When using high-efficiency filter glue, some customers will ask what methods can be used to improve the sealing effect of the high-efficiency filter. In fact, the poor sealing effect of the high-effic…
Which raw material is compounded with propylene glycol butyl ether and has a good decontamination effect?
Propylene glycol butyl ether and ethylene glycol butyl ether are similar polar solvents. If it is made into a cleaning solution, it is best to use the same non-ionic surface based on the principle of …
Does propylene glycol methyl ether have a defoaming effect?
Yes. The physical defoaming ability of alcohol ether depends on whether the formula contains other surface activities that are easy to foam. Because in addition to defoaming, propylene glycol methyl e…
Effect of film-forming additives on the performance of water-based amino baking paint
Abstract:This paper uses hydroxyacrylic acid dispersion and amino resin as the main reactants to prepare a water-based amino baking paint, and studies the use of dipropylene glycol butyl ether (DPnB),…
Effect of hard segments on polyurethane properties
The hard segment of polyurethane is composed of reacted diisocyanate Or it is composed of diisocyanate and chain extender, containing strong polar groups such as aryl group, urethane group, substitute…
Effect of soft segments on polyurethane properties
Oligomer polyols such as polyether and polyester form soft segments. Soft segments account for the majority ofPU, and the properties of PU prepared from different oligomer polyols and diisocyanates va…
Effect of hard segments on polyurethane properties
The hard segment of polyurethane is composed of reacted diisocyanate Or it is composed of diisocyanate and chain extender, containing strong polar groups such as aryl group, urethane group, substitute…
Effect of chain extenders and cross-linkers
For the chemical cross-linking of polyurethane foam, the main way to achieve it is covalent bonding. Reactive isocyanates can react with many functional groups. Generally speaking, small molecule subs…
What is the safety ventilation effect of broken bridge aluminum?
The inward opening of broken bridge aluminum doors and windows depends on the hardware accessories. The handle is downward90 degrees to close, and 45 degrees to the left or right. It opens flat, and t…
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