Marine plywood should comply with BS 1088-1 Marine plywood.. Hardwood Plywood with “AB” grade face/back and a marine grade bond. Excellent veneer quality makes this product ideal for staining and painting. Marine bond will not deteriorate due to moisture exposure. Excellent strength and stiffness. BS1088 standard production of marine plywood, WBP glue, boiling water test more than 72 hours.