Amberlith Brand mane for a red-or orange-coated acetate sheet. The coating is strippable; that is, it can be selectively cut and peeled away for masking purpose.

• 琥珀胶片是商品名称。一种带有红色或橙色涂层的醋酸胶片。涂层成薄膜,可随意裁割剥去,作遮光用途。