空气中的甲醛来源
Source of formaldehyde in air
1、 用作护墙板、天花板等装饰材料的各类酚醛树脂胶人造板，比如胶合板、细木板、纤维板和刨花板等。
1. All kinds of phenolic resin glue wood-based panel used as wall panel, ceiling and other decorative materials, such as plywood, fine board, fiberboard and particleboard, etc.
2、含有甲醛成分并有可能向外界散发的装饰材料，比如贴墙布，贴墙纸，油漆和涂料管。
2. Decorative materials containing formaldehyde and likely to be released to the outside, such as wall covering, wallpaper, paint and paint pipes.
3、 有可能散发甲醛的室内陈列及生活用品，比如家具、化纤地毯和泡沫塑料等。
3, indoor display and daily necessities, such as furniture, chemical fiber carpet and foam plastic, which are likely to emit formaldehyde.
4、 燃烧后会散发甲醛的某些材料，比如香烟及一些有机材料。
4. Some materials that emit formaldehyde after combustion, such as cigarettes and some organic materials.
5、 有些芳香剂、杀蚊液也含有甲醛成分。
5. Some aromatics and mosquito repellents also contain formaldehyde.