TH   GB
Nippon Paint
Paint and Coating Consultant

Industrial Paint   

Automotive Paint   

   

Exterior Paint   

Putty Mark
Putty Mark
Putty Mark
Causes
1. Insufficient dry of Putty
2. Unsmooth sanding on the edges of surface which are not properly blended with previous film
3. The Thinner evaporates too slowly

Prevention
1. Mix the Putty and Hardener in a proper proportion. Allow the Putty to dry perfectly before proceed to next step.
2. Do not top the Putty over old paint film, especially on the fast-drying type.
3. Adjust the viscosity of paint and use appropriate Thinner.

Solution
Once the surface dried thoroughly, sand and prepare before applying a slow-drying primer (Urethane) and refinish.