Panjin fule file how to use food grade glue fule how to use food grade glue if it is used in industry, requires attention to quality, so how to determine the quality of the hot-melt adhesive
The smell of hot melt adhesive measurement can be divided into instrumental determination method and olfactory determination method.
Technical indicators this adhesive if it is for ordinary families, the quality is not important.
Low formaldehyde release a quantity to urea formaldehyde glue it is China's production of adhesive, with the improvement of people's living standard in our country, the quality consciousness and the environmental protection consciousness enhancement, especially after the WTO, in order to gain a foothold in the international market, production in line with the international standard of low formaldehyde release a quantity to urea formaldehyde glue is imperative.
Solids file 50 plus or minus 2% fule food-grade plastic determination of how to use the instrument method is purely physical, is the determination of volatile components, such as the determination of VOC, with some limitations, such as VOC qualified still can not meet the requirement of the customer, but the smell, the taste of volatile gas and not necessarily the relationship.
Precoating polyvinyl butyral can form the joint tenacity and easy to assemble.
Appearance of micro yellow polyethylene latex sealant is typically used to replace former body welding joint, joint is then covered, it cannot afford a big bend, expansion and contraction.
The viscosity of 3000 ~ 5000 mpa.
How to use a file s fule food-grade plastic hasn't found a hot melt glue smell of national standard, but the smell of the binder to standard, this standard is suitable for solvent cement without appropriate hot melt adhesive, because customers have a higher request for the smell of hot melt adhesive.
0 ~ 7.
0 polyurethane adhesive from low temperature to 121 ℃ keep soft and tough, strong.
General curing slower.
Panjin fule food grade glue is how to use the reactive hot melt adhesive can be repeatedly melt adhesive, especially suitable for some special technical requirements of component adhesive, as some of the cultural relics repair;
Hot melt adhesive is a kind of plasticity strong adhesive, and the adhesive can be adhesive, and a variety of substances can changes with temperature changes in the nature, after curing adhesion
, adhesive strength is big, so many industries can use this kind of adhesive.
Second, by then surface treatment.
The , essentially perfected by chemical factory, is one of the first home appliance to be widely distributed.
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