PPE

Reasons and prevention of opening glue of safety labor protection shoes

After buying and wearing shoes for a period of time, due to the continuous twists and turns, it is easy to open the glue in a small area, and the labor protection shoes also have the same phenomenon. How to avoid large-scale opening of labor protection shoes and prolong the service life of labor protection shoes is analyzed from two aspects: the production process of labor protection shoes and the use of consumers

reasons for the production process of opening glue of labor protection shoes:

1 improper treatment of vamp: improper use of treatment agent and glue, different leather needs to be tested with treatment agent and glue, and the adhesion force is qualified before use. The upper was not polished in place and the leather surface was not completely damaged

2 improper bottom treatment: the treatment agent and glue are not in place, and the bottom grinding is not in place

3 improper use of treatment agent and glue: incomplete drying, insufficient curing agent in glue, too much glue

4 pressing: in case of cold bonding, enough pressure and pressing time must be ensured after the surface and bottom are well bonded

reasons for the use of opening glue of labor protection shoes:

1. There is no proper maintenance

2 do not contact with rainwater for a long time, and do not soak in water for a long time for cleaning

3 the glue of labor protection shoes is easy to open when heated, and is not easy to be exposed to the sun or heat source

4 it is not easy to contact with chemicals for a long time (except for specially produced acid and alkali resistant labor protection shoes)

5 newly bought labor protection shoes should not be used for a long time

methods to prevent the glue opening of labor protection shoes:

1 ensure that the surface and sole are polished in place

2 identify the material type of vamp and sole accurately and select the appropriate treatment agent

3. The treated water should be dried as much as possible and the temperature should be raised

4 add enough curing agent into the glue

5 make sure the press is in place

China labor insurance net

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