目前美国加州正在沸沸扬扬的进行这关于木材甲醛释放量的法案,无可非议的加州是美国最近关于环境方法立法最多的一个周。加州对于环境的认识很超前,下面对于木材中甲醛释放控制的法规做一详细说明。
法规:93120-93120.12
93120:Airborne Toxic Control Measure to Reduce Formaldehyde Emissions from Composite Wood Products.
复合型木材产品降低甲醛释放量的空运控制方法
使用范围:
hardwood ,plywood, particleboard, medium density fiberboard, and finished goods that contain composite wood products that are manufactured, distributed, fabricated, imported, sold, offered for sale, or supplied for shipment and use outside of California.
硬木、多层板、锯末板、中密度板等木质产品
“ANSI” means the American National Standards Institute
美国国际标准协会
ARB” means the California Air Resources Board.
加利福尼亚空气资源部
ASTM” means the American Society for Testing and Materials 美国测试原料机构
加州对于木材(不包括实木产品)区分为5大类,各个厂家根据自己的实际情况确认所属木材的种类,不同种类对于甲醛控制的限值不同。
HWPW-VC: Hardwood Plywood with veneer core
HWPW-CC:Hardwood Plywood with composite core
MDF:An engineered wood product formed by breaking down softwood into wood fibers, often in a defibrator, combining it with wax and a resin binder, and forming panels by applying high temperature and pressure.
Thin MDF:MDF ≤8mm
PB:Particle board, or particleboard, (or chipboard in the UK and some other countries) is an engineered wood product manufactured from wood particles, such as wood chips, sawmill shavings, or even saw dust, and a synthetic resin or other suitable binder, which is pressed and extruded.
厂家确认了木材的种类后,可以进行测试。
CARB认可的第三方测试机构:目前中国只有香港的SGS 是认可机构,其他国内测试机构还没得到认可。
其他认可机构名称如有更新,大家可以随时查看以下网址:
www.arb.ca.gov/toxics/compwood/listoftpcs.htm
对于法规93120-93120.12 的具体内容大家可以通过以下网址进行下载查看
http://www.arb.ca.gov/regact/2007/compwood07/fro-atcmfin.pdf