Foaming Crystal Simple Green Industrial Cleaner & Degreaser's specialized foaming formula clings to vertical & hard-to-reach surfaces enabling controlled application & longer contact time on soiled areas. This non-abrasive, non-flammable, & non-caustic formula can be used on metals, finishes, plastic, & rubber. Crystal is fragrance-free, color-free, clean-rinsing, & 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, & packaging. Application: Degreaser / Cleaner; Applicable Material: Hard, Non-Porous Surfaces; Chemical Compound: Ethoxylated Alcohol; Dirt Types: Grease; Oil; Dirt; Dust.