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Specializing in the production of torsion spring manufacturers introduce spring related information

Date of release:2020-08-13 00:00:00 Author: Click:

With the continuous innovation of medical products, medical hot-melt adhesives are more and more playing their unique role. It has been used for the bonding of medical materials for a long time, and now its greater role is as a carrier for the adhesion of drugs to the skin.

To accelerate the development of new products, curable hot melt adhesives and functional hot melt adhesives are currently two major new products on the market. The main feature of the former is to improve the high temperature resistance of hot melt adhesives and increase the softening point above 120°C, thereby expanding its scope of use; functional hot melt adhesives are for specific occasions and can achieve specific functions to meet the needs of various uses. Glue-like. Such as water-soluble or dispersible hot-melt adhesive, hot-melt sealant, hot-melt pressure-sensitive adhesive and so on. The following is a description of the hot melt sealant. It is a one-component, solvent-free, non-fogging, non-vulcanized, and permanent plastic first sealant for hollow glass based on polyisobutylene rubber.

Hot-melt butyl sealant maintains its plasticity and tightness in a wide temperature range, and the surface does not crack or harden. It has good adhesion to glass, aluminum alloy, galvanized steel, stainless steel and other materials. Due to its extremely low water vapor transmission rate, it can form an excellent anti-moisture system together with elastic sealants. Features: good sealing effect, easy quality assurance; no curing period, saving floor space; environmentally friendly products, no waste in use, clean environment; saving time, raw materials, staff, and reducing production costs.  

torsion spring manufacturer

To develop high-performance hot melt adhesives, in addition to the more general EVA and TPR hot melt adhesives, companies should also focus on researching and developing some high-tech hot melt adhesive products that have been widely used in the West and have great application potential, including: reactive heat Melt adhesives, water-dispersed hot-melt adhesives, high-grade PA hot-melt lining rubber particles, and high-strength hot-melt pressure-sensitive adhesives, etc. At the same time, relevant domestic raw material manufacturers should also recognize the development potential of the hot melt adhesive industry, accelerate the increase in the localization rate of raw materials, and reduce foreign exchange losses caused by a large number of imported raw materials.

Modification of existing varieties   

Through blending, grafting and other methods to modify existing varieties to improve the performance of hot melt adhesives. For example, stabilizers are used to prevent oxidation; tackifiers improve bonding strength; paraffin wax reduces viscosity to change surface properties; various fillers can increase viscosity, melting point and bonding strength. Research the variety and dosage of various compounding agents, and optimize the formula to meet different needs.


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Key word:tensilespringmanufacturer,torsionspringmanufacturer,shapedspringmanufacturer

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