Testing method

Testing method for water boiling resistance of plywood Improvement measures: Firstly, replace the adhesive, choose a formula with low water content, or add flour and soybean powder appropriately to absorb water; The second is to improve the quality of veneer and strictly control the moisture content of veneer; The third is to adjust the hot pressing process, increase the hot …

Testing method for water boiling resistance of plywood According to the classification of ordinary plywood, there are corresponding testing methods: Class I plywood: i.e. weather resistant plywood, suitable for outdoor use and capable of passing boiling tests; Step: Boil in boiling water for 4 hours, dry at 63 ℃ for 20 hours, boil in boiling water for 4 hours, air …