Langfang specialty PUR adhesive
price langfang PUR glue price 10, when PUR hot melt adhesive machine heating platen press into the new polyurethane plastic barrels, should open the glue valve, discharge completely plastic barrels in the air, and will take the air bubbles PUR hot melt adhesive ruled out clean, avoid polyurethane hot melt adhesive with air into the pump body and the hot melt adhesive machine in the throat.
Customer the smell of the product is not the same as the smell of hot melt adhesive, hot melt adhesive in the customer's product quality than the average are very few, under 5%, is the smell of the customer product source, is not.
So, the smell of the customer product evaluation and from its so looking for raw materials.
Not so products are requirements, on the contrary, many big brands products have the smell of their own characteristics, the smell become a factor in its brand recognition.
In the health products industry, add flavor to become a unique technology, brand can be highlighted by the aroma of different production.
Different international five-star hotel, the hall has a different smell.
Scent of a person, wen xiang known brand.
4, unless there are other people beside help, and in the accident, because of mechanical damage or personnel injury, can instantly to help or first aid, otherwise don't separate the moisture in the pur reactive polyurethane hot melt adhesive machine equipment for disassembling and maintenance.
(2) the container;
(5) used as purlin or rafters box beam and other types of woven beams;
Microelectronics adhesive in the aspect of integrated circuits, electrical components, optoelectronic devices require very high degree of precision, cannot be automatically extended and usage of special adhesive.
Odor evaluation: in the actual production of the printing plant, the idea of workers in small labor for reward.
The smell of hot melt adhesive measurement can be divided into instrumental determination method and olfactory determination method.
Instrument measurement method is purely physical measurement, is the determination of volatile components, such as the determination of VOC, with some limitations, such as VOC qualified but the smell is still can not meet the requirement of the customer, volatile gases and taste no inevitable relations.
Here I focus on the sense of smell assay.
Not yet 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 the customer have higher requirements on the smell of hot melt adhesive.
Some hot melt adhesive and hot melt adhesive users have different methods for measuring the performance of hot melt glue smell standards.
The following two examples illustrate.
If you are unwell seek immediate emulsion type and solvent type and hot melt pressure sensitive adhesive.
Water-based glue is tasteless, not burning, resistance to yellowing for four.
Level 5 above, suitable for light color and higher requirements on resistance to yellowing of the material.
Smell six standard: 1 without peculiar smell;
2 a slight odor;
3 have a taste, but do not stimulate;
4 a stimulating smell;
5 strong pungent odor;
6 can't stand the smell.
Langfang specialty PUR adhesive price complex mode is mainly used in food, chocolate mould, candy mold, precision casting, and carbon fiber composite materials, food cake mould, craft ceramics, printing, cloning human organs, household appliances, lighting products, silica gel ice, silicone pacifiers.
Multiple polymerization will happen the following response: 2.
The CZY - its viscosity test
6 s stick a tester.
1 no smell odour level 4 standard:;
2 smells perceptible, but can not accept;
3 the smell of hate, can not accept, very nasty smell, can't accept it.
Especially when the interval after a few months has been printed products need to print, could not be accurate data to record the viscosity value of the first printing, operators are empirically estimated viscosity value range, the error is big, the need to allocate each concentration and viscosity of ink, glue, must carry on the multiple proofing proofing, and is a waste of time and labor, and waste material.
Langfang specialty PUR adhesive price according to the plant habit, synthesis process is generally described as: feeding vacuum and nitrogen charging before ~ ~ ~ to block heat booster to the holding to put pressure to keep the normal pressure to vacuum and nitrogen charging and discharging after dicing to drying to packaging.
If bad management, workers in the process of printing, composite, a long time to add solvent, some don't always add solvent, this waste of both ink and glue, the shape and design, compound uniformity and poor fastness, caused economic losses to the company directly.
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