The repair process

Repair Process I

Topicall repair, little damages without corrosion

1. Tools needed for the repair

  • InterTroton or Master silicone remover
  • InterTroton or Master thinner for acrylic products
  • Sand papers (for the beginning, for dry) P120-P320, finishing P400-P500 (for dry) P800-P1200 (for wet) for the machine, grindstone, mechanical equipment (see the surface preparation), containers to mix products
  • Varnish tape, paper, cover foil to protect a vehicle (parts which are not repaired), antistatic cloth
  • Japanese putty knives to apply polyester putty
  • InterTroton or Master putty
  • InterTroton or Master acrylic primer, for some primers it is better to use a reactive primer to increase anticorrosion protection
  • Base coating (colour)
  • InterTroton or Master clearcoat

2. Step by step process

Surface preparation

  • On a repaired part, do a thinner test (surface preparation)
  • If the result is positive – remove old coating up to bare steel, if negative – you can follow next steps in the process
  • Clean the repaired part (silicone remover)
  • Sand a damaged part starting from a sand paper P120 – P180
  • Using compressed air remove dust and pollution

 

Putty application

  • Clean the repaired part (silicone remover)
  • Apply polyester putty in two thin layers following the appropriate time of drying assuming that the surface is without any signs of corrosion (bare steel or old coating in a very good condition)
  • At the beginning, sand putty with sand paper P120-P180, finishing P220-P320
  • Using compressed air remove dust and pollution

 

Primer application

  • Clean the repaired part (silicone remover)
  • Protect not repaired parts
  • Clean the repaired part again (silicone remover), after a thorough remover evaporation
  • Apply acrylic primer (for bare steel, without any signs of corrosion e.g. from Master – V2012 or V2018. Before application some of primers, it is recommended to apply a reactive primer in order to increase anticorrosion protection), according to a Technical Data Sheet of a product
  • After hardening, using sand paper P400-P500 sand the primer (for dry machine or manual), or P800-P1200 for wet (sanding the surface wet remember to remove water straight after sanding). We recommend to sand on dry.
  • Using compressed air, remove dust and pollution, clean the repaired part and surroundings (silicone remover).

 

Base coat application

  • Protect not repaired parts
  • Clean what is to be repaired with silicone remover, after evaporation wipe the surface with the antistatic cloth
  • Apply a prepared base coat on the repaired part (according to manufacturer’s recommendations)

 

Clearcoat application

  • After a correct time of base coat drying (see the Technical Data Sheet of a base coat’s manufacturer) (using antistatic cloth, wipe dust or impurities from the surface)
  • Apply clearcoat (1,5-2 layers for VHS clearcoats, 2 layers for MS, HS clearcoats), see the Technical Data Sheet for using a product

3. Warning!

  • Use only original products recommended by a manufacturer
  • Follow Technical Data Sheets of a product
  • Dry processing of materials is recommended
  • During works, use personal protective clothing
  • Use IR drying to speed up the drying process of materials
  • The temperature and moistness are crucial for products and the repair
  • On reactive primer, do not apply polyester products (putties, primers)

Use products