Drying times of alkyd resins

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DRIERS COMBINATIONS AND DRYING TIMES
Scope:
Resin solutions when applied as a film, it dries in three different manners.

  1. Resin film dry by solvent evaporation
  2. Resin film dry by solvent evaporation and chemical reaction
  3. Resin film dry by chemical reaction

Procedure:
Resin solution bring it to application viscosity and apply 100 microns on glass plate and place it on drying recorder to dry.  Record Touch Dry and Hard Dry.

PRODUCT SPL QTY CAL % CO % LEAD % TOUCH DRY HARD DRY
Long/Medium oil Alkyds 100 gr. 0.12 0.05 0.5 1 – 2½ hours 4 – 8 hours
Medium oil chain stopped Alkyds 100 gr. —- 0.05 0.5 1 – 2 hours 3 – 5 hours
Short oil chain stopped Alkyds 100 gr. 0.12 0.042 0.43 10 – 15 minutes 4 – 6 hours
Styrenated Alkyds 100 gr. —- 0.05 —- 10 – 15 minutes 1 – 3 hours
Urethane Alkyds 100 gr. —- 0.05 0.5 1 hour 4 – 6 hours

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Formulação de Resinas Alquidicas Software

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