Nanchang dealers full series adhesive
distributors nanchang full adhesive 2 test preparation.
In unit mixer, constant pressure drop funnel, reflux condenser and the 250 ml of the thermometer three flask, add 2.
Ethylene alcohol and deionized water 90 g 5 g.
1, can under the professional instrument for testing analyzing the composition of hot melt adhesive, so that we can get the accurate data.
Five, ink, glue viscosity change with strong read relationships (
Grafting modification right amount of styrene monomer, are added into the polyurethane emulsion by in-situ polymerization of polyurethane grafted styrene emulsion, improves the adhesion and water resistance.
2, can also be observed in appearance, if the hot melt adhesive glue type, do manual work is coarser, then the quality.
The current construction of adhesive there are two main problems: one is adhesive when a lack of proper temperature control;
Second, no suitable process equipment, therefore, still need to adopt mechanical reinforcement.
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.
Nanchang whole series of seven, pur adhesive distributors moisture reactive polyurethane hot melt adhesive machine general in the maintenance of machinery safety precautions: poly cool from the binary acid and glycol, polyethylene phthalein amine from dibasic acid and diamine.
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.
Nanchang dealers all adhesive color: brown 2.
Soft, good elasticity, resistance to kink deformation;
Product category editing epoxy resin type: single-component or bi-component, for the majority of base material has good bonding properties, resistance to chemicals
Nanchang all dealers EVA hot melt adhesive series adhesives by basic resin, tackifier and viscosity regulator and antioxidant components, etc.
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