When you visit factory and grade the plywood,have you taken a complete inspection checklist of the Glue spraying ,mixing ?
1.How much wheat flour used for the mixing the glue ?the percentage ?
2.how much glue used for the mixing the glue ,the percentage ?
3.How much color pigment used for the mixing the glue ,the percentage ?
4.How much water of the glue contented ?it is original glue or mixed the water ?how to recognize the original glue and WATER-MIXED-Glue ?
5.How much glue sprayed to the veneer ,the weight of the dry veneer and glued veneer ?
6.The glue bond addhesive ?Can you feel the glue strength when using the fingers to touch ?
7.All the glued veneer are sprayed uniform or have some blank area without glue ?Any leakage of the glue or over quantity ?
8.have you checked the quality of the glue sparying and mixing machine ?How is the raw veneer input process,rollers ,glue veneer output ?
9.There are two major types of adhesives used for making plywood, ‘Urea formaldehyde’ and ‘Phenol formaldehyde’. Have you asked or tested the glue types ?
10.How is the glue characteristics ? water proof or boiling water resistant ?