1, cold-bonded shoes are shoes that are not bonded at high temperature, and generally need cold-bonded assembly line processing (except family workshops).
2. Cold-sticky soles are generally provided by factories that are responsible for playing soles.
3. The practice is that the upper is shaped with a plastic last and glued to the sole.
4, the workmanship is fine, and the shoes made are effective.
5. The daily output is small and the price is high.
Cause analysis:
1, the rubber is not polished or polished coarsely enough.
2. The polished rubber powder is not clean.
3. There is no treatment agent or wrong treatment agent on the sole.
4. The treatment agent is not dried or the drying temperature is too low.
5. The amount of hardener in the adhesive is not enough.
The adhesive film all goes to the sole (the bottom of the upper is degummed).