SP5689 - SPRALAC Primer White Wet on Wet 1L

Technical characteristics Wet-on-wet primer SPRALAC SP5689

• Product name : Wet-on-wet primer SP5689
• Brand : SPRALAC
• Reference : SP5689
• Product type : Wet-on-wet primer, high solid content
• Color : White
• Content : 1 Litre
• Mixing ratio :
  • 3:1 with MS hardener + max. 10 % thinner
  • 4:1 with HS hardener + max. 15 % thinner
  • 5:1 with HS420 hardener + max. 20 % thinner
• Application : Spray application after mixing with hardener and appropriate thinning
• Surface preparation : Cleaning with SP6499, sanding P180–P240, finishing P280–P320 on edges, P400 on GRP
• Storage conditions : Minimum 2 years at 10°C–30°C
• Material compatibility :
  • Bare steel primed
  • Sanded and degreased aluminum
  • Sanded GRP
  • Polyester fillers
  • OEM primers
  • Old paints in good condition

Properties and advantages

• High solid content formulation: excellent covering power
• Very good adhesion on prepared metal substrates
• Easy wet-on-wet application
• Compatible with several hardener systems
• Homogeneous finish and optimal sandability
• Long-term storage (24 months)

Recommended applications

• Preparation before painting on automotive bodywork
• Repairs on metal parts, GRP and mixed substrates
• Blending or complete treatments on parts with original primer or old paints

Instructions for use

1. Substrate preparation :
   • Degrease with SP6499
   • Sanding according to substrate type (P180–P240)
   • Final cleaning and complete dust removal
2. Product preparation :
   • Mix according to chosen ratio (3:1, 4:1 or 5:1)
   • Add the appropriate thinner (10 to 20 % depending on the system)
3. Application :
   • Apply by spray gun
   • Respect the recommended film thickness
   • Respect flash-off times
4. Drying and recoating :
   • Respect drying times according to the hardener system used
   • Recoatable with topcoat after flash-off

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