Foaming Crystal Industrial Cleaner And Degreaser Features A Specialized Foaming Formula That Clings To Vertical And Hard-To-Reach Surfaces, Enabling Controlled Application And Longer Contact Time On Soiled Areas. This Nonabrasive, Nonflammable And Noncaustic Cleaner/Degreaser Can Be Used On Metals, Finishes, Plastic And Rubber. Crystal Is Fragrance-Free, Color-Free, Clean-Rinsing And Nsf Registered A1, A4, A8, C1, Making It Ideal For Critical Cleaning Applications Across A Variety Of Industries Such As Food Processing, Commercial Kitchens, Cosmetics, Pharmaceuticals, Manufacturing And Packaging. Cleaner/Degreaser Is Perfect For Surface Prep Before Painting, Plating Or Welding. No Ppe (Personal Protective Equipment) Is Required.