How to use PUR glue to laminate the board

HY-PUR-1400A. in CHINA 。PUR HOT Melt glue laminating machine line. Hessan NEW HOT SALE PUR laminating production linw. This machine is new designed in 2020, and hot sale in China. We have sold 100 more in China during Jan to April 2023. This machine can laminate Not only Transprent PET/PVC, HIGH GLOSSY PVC/PET/PP, but also Acylic sheet, CPL, HPL, Aluminium /steel sheet, Venneer .
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[@Saeed-alimardany]

hi dear What is this external humidifier in this production line for?

[@Hessan-China]

if the air humidity is not enough, the glue will dry easily