Optex Super Build 4:1 Polyester Primer Surfacer Kit 4.7L

Optex Super Build 4:1 Primer highlights dents, low spots, scratches, and other surface imperfections while at the same time eliminating the need for messy carbon black powdered guide coats. This 4:1 primer sprays on pink and turns grey as it is sanded, revealing high spots while low spots and scratches remain pink.

Optex Super Build 4:1 is a two-component hybrid polyester epoxy primer surfacer with a patent-pending built-in pink guide coat that provides exceptional filling, patented 4:1 mix ratio technology, passes 500 hours in salt spray tests (ASTM B117). Compatible with waterborne paint systems and VOC compliant.  All substrates must be properly sanded and cleaned before primer application for optimum performance. Must be catalyzed with 733 4:1 Polyester Primer Catalyst or 734 Fast 4:1 Polyester Primer Catalyst only!  

Shake and stir the primer and catalyst thoroughly before mixing

• For optimal performance use a strainer when pouring into spray gun

• When using a gravity fed disposable mixing cup remove the internal filter for improved flow and spray

• Apply 2-3 medium wet coats at a distance of 8-10 inches (20-25cm) allowing 5-10 minutes flash time between coats  (Spray at paint gun manufacturer’s recommended air pressure)

• Ready to sand in about 2 hours @ 72°F (22°C), depending on film build  • Once dry, sand with 180-400 grit sandpaper prior to next step 

• Aluminium

• Galvanized Steel

• Fiberglass

• Rigid Plastics

• Sanded OEM Coatings  

• Steel • METTON®

• SMC

• Sanded Body Filler or Putty

NOTE:  An epoxy pre-coat is NOT required for Evercoat 4:1 polyester primers if a minimum of 2 coats with a dry film thickness of 4.5 – 6 mils (115 – 150 microns) are applied to achieve proper protection.