strandwoven bamboo specifications registered patent 宜兴市尧龙竹木制品有限公司专业生产重竹地板和户外重竹地板。 重竹地板的出口量在同行业中占主导地位 yes density 1.05g/cm3 - 1.15g/cm3 hardness (janka rating) 14.3kn(natural) & 15.3kn(carbonized) - twice as hard as conventional bamboo flooring 3000 psi minimum impact 114.7kg/cm3 measured water absorption expansion ratio 0.40% moisture content 10% +/-2% color natural accessories full range to match installation float, nail or glue down warranty 25 year structural guarantee certification iso9001, iso14001, ce