... ,CARB 2.Material:poplar,pine,birch,hardwood 3.Glue:WBP,MR,E1,E2 WBP Glue Pine /Falcata Blockboard CertificateISO9001,American CARB,CEBrand ... > If put in boilding water for 48 hours, it still glue sticking and still formed.9> If used abide by illustration ...