First, the difference in appearance
Now the good quality of the hot melt adhesive its appearance is more pure, and there are no impurities. The appearance of poor quality hot melt adhesive appears more turbid and impurities.
Second, viscosity difference
Good quality DTF adhesive viscosity is more stable, and weather resistance and so on are very good. And poor quality hot melt adhesive viscosity is very unstable, sometimes may be sticky and sometimes not sticky, its weather resistance is also very poor.
Third, odor difference
Good quality hot melt adhesive will not exist without odor, and non-toxic environmental protection. Like the poor quality of the hot melt adhesive there will be odor, and may even cause harm to the body, there is no environmental certification.
Fourth, the qualification difference
Good quality hot melt adhesive is certified by SGS testing, but also more in line with the RoHS EU environmental certification standards and the U.S. REACH regulations, but also to support foreign trade exports. Like poor quality hot melt adhesive belongs to the three products, any certification is not, and can not be exported.
Fifth, the difference between the materials
Good quality hot melt adhesive are going to use imported high-quality raw materials, and poor quality hot melt adhesive is basically the use of poor-quality raw materials for production, and the price is also very low, often go through the price to the market to occupy.
So everyone in the purchase of hot melt adhesive, must be eyes to shine, do not be low prices to the mind, because poor quality hot melt adhesive will also cause harm to the body, and can not be exported, and the quality is also very unstable. So in the purchase of hot melt adhesive must be recognized more professional and reliable hot melt adhesive stick manufacturers.
