sealant

The chemical industry says BPA is the safest, most effective sealant.

化工行业声称BPA是最安全最有效的密封材料。

Many baskets have a sealant, so you can use a nonabrasive cloth, such as a section of a cloth diaper.

许多篮子有密封剂，所以可以用不粗糙的衣服，像一小块尿布。

The handle on the fridge door had broken off, probably decades ago, but if you pressed your fingers just right into the soft rubber sealant in the crack, you could pry it open.

冰箱门把手已折断，恐怕是几十年前就断了。 但是，如果把手指插进门缝中的密封软胶，还是可以掰开冰箱门的。