formaldehyde-free的用法和樣例：
例句
- Performance characteristics of self-prepared polycarboxylic acid formaldehyde free non-ironing finishing agent PC was investigated.
採用無甲醛抗皺整理劑多元羧酸聚合物整理純亞麻織物。 - This product uses renewable resources, elaborately-made, no formaldehyde and other toxic volatile substance, no peculiar smell.
本產品利用可再生資源，精心打造，無甲醛等有毒揮發性物質，無異味。
