Yunnan fule PUR glue equipment, fule PUR glue device and check the usage of the dryer.
1, can under the professional instrument for testing analyzing the composition of hot melt adhesive
, so that we can get the accurate data.
EVA hot melt adhesive is a kind of without solvent, excluding water solid meltability polymer;
It is solid at room temperature, heat can melt to a certain temperature to flow, and has a certain viscosity liquid.
2, can also be observed in appearance, if the hot melt adhesive glue type, do manual work is coarser, then the quality.
EVA hot melt adhesive after melting, the pale brown or white.
3, can put the hot melt adhesive melts tested on tensile strength, tensile strength of hot melt adhesive is not qualified.
Has the very good performance, basic no curing volatiles release.
4, hot melt adhesive, observe whether there is a powdery material after melting, if there are captions powdery material packing, adhesive performance is poor.
Yunnan fule PUR glue equipment insulation reaction 2 h 75 ℃, and then reaction and add the rest of the monomer and initiator, control 4 -
5 hours add up, and then heat up to 90 -
91 ℃, the heat preservation cooling below 50 ℃, half an hour with ammonia water pH adjustment to 6 -
5, stop stirring, discharging copolymerization emulsion.
5, pur hot melt adhesive machine, when to take off the bucket, the way is to five gallons of hot melt adhesive in barrel filling the dry nitrogen, avoid using not dry compressed air directly, if you need filling the compressed air, it is necessary to thoroughly dry compressed air.
5, good quality hot melt adhesive with heat resistance performance, can put the hot melt adhesive in zero or more than 40 degrees respectively environment for testing, if there are brittle, soft gelatin said quality is bad now.
Yunnan fule PUR glue equipment [
1 - after coating
Organic silicon and other resin pressure-sensitive adhesive composed of organic silicone resin and organic silicone rubber pressure-sensitive adhesive, has excellent high temperature resistance and aging resistance, is a kind of important special pressure sensitive adhesive, its main purpose is to make all kinds of high-grade pressure-sensitive adhesive products.
In recent years, in the construction of building engineering installation is adhesive is used instead of mechanical reinforcement, this kind of adhesive is called structural adhesive, it is to cooperate with poor joint with thick rubber or thin rubber can achieve strong adhesive.
Civil engineering in the construction industry, adhesive is mainly used for structure and decoration, making many engineering components, such as cork plywood, laminated board, laminated board, and some of the same component, plastic floor, carpet, ceramic tiles, wallpaper paste.
Yunnan fule PUR glue device, stirring edge heating, heating to (
℃, polyvinyl alcohol completely dissolved.
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