Grez-Off Heavy-Duty Degreaser is a professional-strength, water-based cleaning solution designed to remove tough grease, oil, grime, tar, and stubborn industrial deposits. Its powerful, fast-acting formula penetrates and breaks down heavy grease buildup, delivering exceptional cleaning and degreasing performance for marine, industrial, automotive, commercial, and general maintenance applications.
Formulated without petroleum-based solvents, acids, or abrasives, Grez-Off provides effective cleaning power for demanding applications. Its ready-to-use formula eliminates the need for mixing or dilution, making it ideal for cleaning engines, machinery, tools, equipment, and other compatible surfaces.
Professional-Strength Degreasing: Removes stubborn grease, oil, lubricants, tar, dirt, and heavy industrial grime.
Fast-Acting Formula: Penetrates and breaks down grease and oily deposits for easier removal.
Water-Based Formula: Contains no petroleum-based solvents or acids.
Biodegradable Formula: Readily biodegradable according to OECD 301-C modified MITI testing.
Ready to Use: No mixing or dilution required.
Non-Abrasive Cleaning: Removes heavy contamination without abrasive particles.
Low VOC Content: Contains less than 1% volatile organic compounds.
Citrus Scent: Provides a citrus fragrance.
Heavy-Duty Performance: Designed for demanding industrial, marine, automotive, and commercial cleaning applications.
Easy Rinsing: Water-soluble formula rinses away with clean water.
Marine engine exteriors and engine compartments
Boat machinery and mechanical equipment
Marine tools and maintenance equipment
Fiberglass surfaces, following compatibility testing
Boat trailers and trailer components
Workshop floors and maintenance areas
Removal of grease, oil, and lubricants
General marine equipment cleaning and degreasing
Automotive engines and engine compartments
Industrial machinery and equipment
Farm equipment and lawn mowers
Manufacturing equipment and conveyors
Shop floors and concrete surfaces
Grease traps and exhaust filters
Equipment housings and castings
Trailers and recreational vehicles
Workbenches, tools, and maintenance areas
Removal of grease, oil, wax, tar, smoke, and soot
Ensure the surface is cool to the touch before application.
Test Grez-Off on a small, inconspicuous area to verify surface compatibility.
Apply Grez-Off at full strength directly onto the surface to be cleaned.
Allow the cleaner to penetrate grease, oil, and grime. Do not allow the product to dry on the surface.
Scrub stubborn deposits with a brush, sponge, or cloth if necessary.
Rinse thoroughly with clean water until all cleaner residue is removed.
Repeat application as necessary for heavily contaminated surfaces.
Important: Do not apply in direct sunlight or when the air temperature exceeds 100°F (38°C). Do not use on glass or motorcycles. Use caution on aluminum, painted surfaces, plastics, and other sensitive materials. Always test surface compatibility before use.
Product Name: Grez-Off Heavy-Duty Degreaser
Manufacturer: ITW Pro Brands / Permatex
Product Type: Heavy-Duty Cleaner / Degreaser
Formula: Water-Based, Ready-to-Use
Chemical Type: Alkaline Degreaser
Appearance: Orange Liquid
Odor: Citrus
pH: 11.9–12.9
Specific Gravity: Approximately 1.013
Water Solubility: Soluble
VOC Content: Less Than 1%
Petroleum-Based Solvents: None
Acids: None
Abrasives: None
Available Sizes: 32 fl. oz. (1 Quart) and 128 fl. oz. (1 Gallon)
Quart Part Number: 22732
Gallon Part Number: 22701
Gallon SKU: KDI22701
Gallon UPC: 077174001218
Gallon Case Quantity: 4
Causes skin and serious eye irritation. Wear appropriate protective gloves and eye protection during application. Avoid breathing spray mist and use with adequate ventilation. Do not mix with other cleaning chemicals. Keep out of reach of children.
For complete handling, storage, first-aid, and safety information, refer to the manufacturer's Safety Data Sheet (SDS).
