Coating difficult to clean

 

Coating film comes off on the cleaning medium, changes its appearance or detaches itself.

Coating film comes off on the cleaning medium, changes its appearance or detaches itself.

Causes

  1. Wrong product.
  2. Insufficient drying time of coating before cleaning.
  3. Wrong tools: rough cloth.
  4. Use of abrasive cleaner.
  5. Poor quality product.
  6. Addition of a large quantity of colourants in the product.
  7. Excessive rubbing pressure while cleaning.

Solutions

  1. Clean and sand surfaces, then apply a product offering good scrub resistance.
  2. Allow product to dry sufficiently.
  3. Use of proper tools and cleaners.
  4. Use of proper tools and cleaners.
  5. Clean and sand surfaces, then apply a product offering good scrub resistance.
  6. None.
  7. Clean surface while exerting an even pressure.
  • The problem is more apparent when colours contain a large amount of colourants.
  • Glossy finishes offer a better resistance to scrubbing than flat finishes.
  • Use cleaner with active oxygen Polyprep 771-135 or 771-136 with a non-abrasive cloth or sponge to clean painted surfaces.
  • Follow the recommendations made by the manufacturer regarding the drying time before.