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Common Problems And Solutions To The Application Of Spray Glue
Mar 07, 2018
Common problemsPossible reasonSolutions
Poor initial viscosity or no adhesiveSolvent volatilizates very slowly or quickly. Too low temperature,affect the initial viscosity.Water in air duct of the spray gun.Humidity of the environment is too high.Glue is applied too thick,hard to dry. Glue is applied too thin, short of glue.Adjust the rate of volatilization or the techniques. Adjust the temperature of working site or replace with proof-low temperature glue. Let out water in air compressor. Adjust the humidity of the working environment. Adjust the spraying quantity in right way. Adjust the spraying quantity in right way.
Fail to sprayToo low air pressure.Too low temperature, affect the gummosity.Failure of spray gun.High gummosity of glue.Increase the air pressure to 6-8kg. Adjust the temperature of working site     or replace with proof-low temperature glue. Change or servicing the spray gun. Adjust the gummosity with dilution.
Uneven spraying, not easy to flow outToo low air pressure.Failure of spray gun.Too far from the spray gun.High gummosity of glue.Increase the air pressure to 6-8kg. Change or servicing the spray gun. Adjust the distance or angle from the     spray gun. Adjust the gummosity with dilution.
Thread-like glue appears while sprayingToo far from the spray gun.Glue is too thin.Adjust the distance or angle from the     spray gun. Adjust the gummosity or replace with     other glue.
Tackless after conglutinatingSpraying too thick.Poor in heat-resistant and aging-resistant.Evenly spraying. Replace with heat-resistant glue.
Big odorPoor ventilation.Too high temperature.Spraying too thick.Improve the ventilation. Improve the ventilation. Evenly spraying.
Tackless arises when it is exposed to   sunlightUltraviolete resistance.Haven't conglutinating.Avoid being exposed sunlight or replace     the other glue. conglutinating in right way.
Tackless after heating (Tackless after conglutinating) one side have glue, the other haven'tNo enough glue applied. Poor in heat-resistant and aging-resistant.Conglutinate with undried glue(especially in winter)Spraying proper glue.Improve the viscosity or replace with other glue.conglutinating after glue dries,for 1-5 minutes commonly.
(Tackless after conglutinating) Partyly   agglutinate, Partyly ungluedUneven spraying, pile gel.Uneven spraying, lack of gel.Adjust the pressure and distance of spray gun, evenly spraying. Adjust the pressure and distance of spray gun, evenly spraying.
(Tackless after conglutinating) two sides   have gluePressuring not uniformly.Conglutinate with undried glue,pile gel.conglutinating after the optimal time.Even press when conglutinating. Conglutinating after glue dries, for 1-5 minutes commonly.Conglutinating at the aptimal time.

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