Classification and process color steel sandwich panels currently used in more types are: Color polyurethane composite board, buy polyurethane sandwich panels, color steel polystyrene foam complex, polyethylene materials, phenolic foam foam plastic, three feed, straw board inorganic fiber material wool panels. Plywood, procurement polyurethane sandwich panels, composite panels Caigangyanmian dispensing sandwich panels attention: 1, to fully clean the plate surface of the gap, polyurethane sandwich panel manufacturers to ensure that the adhesive so clean, polyurethane sandwich board, and not want to inject glue dried timely work. 2, in order to adjust the depth of the seam to avoid trilateral glue stick, filled with PVC foam seam. 3. If it is found to be excessive dispensing timely wipe excess. 4, plastic injection is complete, do not immediately touch, in order to continue the construction to ensure the glue is completely hardened after.