Acid Etch Graffiti Removal Tools

Damage Category: 3
Approx. Time/Sq. Ft.: 12 – 15 minutes

Heavy Acid Damage on glass is typically intentional vandalism, often seen as graffiti. This damage usually involves hydrofluoric acid (HF), one of the few acids strong enough to effectively etch glass. Graffiti perpetrators use hobbyist-grade HF to inscribe or deface glass surfaces. The severity of HF etching can range from medium to extreme depths, depending on the acid concentration, necessitating a thorough assessment to determine the extent of the damage.

Visually, heavy acid damage appears as white, frosted lettering or designs, often with elongated drip tails from the lower edges of the letters or designs. Understanding the depth and pattern of the etching is crucial for planning restoration efforts. This evaluation helps determine the scope of the damage and develop an appropriate strategy to address the etching while preserving the glass’s integrity and clarity.

Acid Etch II Damage is easily removed using GlassRenu’s Grey RenuDisk, Black RenuDisk, Polishing Compound, and Polishing Felts.


Buy Acid Etch Graffiti Removal Tools


Tool Checklist
Corded, Variable Speed, Rotary Polisher (600-3000 RPM MINIMUM, ⅝-11 threaded spindle)
Backing Pad
Grey RenuDisk(s)
Black RenuDisk(s)
Polishing Felt
Polishing Compound
Rasp
IR Thermometer
PPE

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