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PS-4900

PS-4900

Description

Urethane Primer is an excellent economical 2 component urethane primer/surfacer. This primer has medium to heavy build properties for excellent scratch filling and surfacing results. Dries quickly and can be sanded in 90-120 minutes. Can be force dried.


Mix Ratio

# Part Mixture
4 Parts PS-4900 2K Urethane Primer Surfacer
1 Part PS-4901 2K Primer Activator
1 Part PS-265, PS-275, or PS-285 Zero VOC Reducer
4 Parts PS-4900 2K Urethane Primer Surfacer
1 Part PS-4901 2K Primer Activator

Activators/Reducers

Product Name Product Type Product Volume
PS-4901 2K Primer Activator 1 Quart
PS-265 Zero VOC Reducer Fast 1 Gallon
PS-275 Zero VOC Reducer Medium 1 Gallon
PS-285 Zero VOC Reducer Slow 1 Gallon

Substrates

  • Properly prepared OEM surfaces
  • Self-Etch Primers
  • Epoxy Primers
  • Polyester body fillers and putties

Dry Times

Air Dry

Method Time
Dry to sand 90 minutes
Flash between coats 10 minutes

Express Dry

Method Time
Flash between coats 10 minutes
Flash before force dry 5 minutes
Cycle time 15-20 minutes @ 140° F

Sanding

Drying Method Sanding Time Grit
Optimum Express Dry After cool down
Optimum Air Dry 90 minutes
Dry Initial sanding 180-320 grit
Dry Finish sanding 320-400 grit
Wet Finish sanding 400-600 grit

Gun Setup

Gun Type Length PSI
HVLP 1.6mm-1.8mm 8-10 psi @ gun