Makrolon® Cleaning Instructions 

Periodic cleaning of Makrolon® polycarbonate, using correct procedures with compatible household cleaners, is recommended to prolong the service life of your material. 

Makrolon® GP polycarbonate has a relatively soft surface that mars easily with wiping action. Makrolon 15, Makrolon AR, and Hygard sheets are hard coated, abrasion/mar resistant polycarbonate products that offer a higher degree of scratch resistance and surface hardness. These products provide superior protection against unintentional chemical attack. However, the use of abrasive, gritty cleaners and/or hard cleaning implements (e.g. hard brushes, scrapers, squeegees) should be avoided to eliminate the possibility of scratching the surface coating. 

The following cleaning techniques are based on standard industry practices. 

General Cleaning: 

1) Thoroughly pre-rinse with warm water to loosen and wash away surface material, grit and grime. 

2) Using a soft microfiber cloth or moist non-abrasive sponge, gently wash with a mild diluted soap or detergent. 

3) Rinse thoroughly with lukewarm clean water. To prevent water spots, thoroughly dry the glazing with a dry soft cloth. 

Removing Heavy Oils and Tars: 

1) Thoroughly pre-rinse with warm water to loosen and wash away surface material, grit and grime. 

2) With a 50/50 isopropyl alcohol-water mixture, gently rub the area with a soft non-abrasive cloth. 

3) Immediately rinse thoroughly with lukewarm clean water. To prevent water spots, thoroughly dry the glazing with a dry soft cloth. 

Removing Graffiti, Paint, Marker, Inks and Glazing Compounds: 

1) Thoroughly pre-rinse with warm water to loosen and wash away surface material, grit and grime. 

2) Using Naphtha VM&P grade, Isopropyl Alcohol or Butyl Cellosolve, gently rub the area with a soft non-abrasive cloth. Do not apply solvent cleaners under direct sunlight or during high temperatures. 

3) Immediately rinse thoroughly with lukewarm clean water. To prevent water spots, thoroughly dry the glazing with a dry soft cloth.