Denso Holdtight

Denso HoldTight is an additive that prevents flash rusting of wet abrasive and water blasted iron and steel surfaces and of dry blasted surfaces in a pressurized wash down. It effectively removes all salts, including chlorides, sulphates, phosphates, nitrates, etc and other contaminants, including oil, grease and blast residues. It is approved by most major coating suppliers for use with most coatings.

Soluble in water Non-hazardous Biodegradable Phosphate free Non-flammable With no rain, temperature above 3oC, rusting will be prevented for about 48 hours, often longer Raises pH of blasting water to help compensate for acidic sand Colorless Leaves no residue Surface salts, including chlorides, undetectable after use Product chemistry approved by the FDA for food grade service under 21 Code of Federal Regulations 178.3400