National Rule 4:1 2K High Build Primer Kit

SYSTEM 20  UP2253/UP2303 KIT


Multipurpose 2K Urethane Primer offers the functionality of 3 products in 1. Mix 4:1 for a primer filler, 4:1:1 for a primer surfacer or 4:1:2 for a primer sealer.

  • Use for spot repair and large panels
  • Excellent build and surface leveling properties
  • Easy to sand wet or dry
  • Can be applied direct to metal, over most plastics and over unsanded E-coat, aluminum* and galvanized*
  • *Requires an acid etch primer, like ACID#8™
  • Tintable with up to 10% with urethane mixing base
  • This kit comes with a Gallon of UP2253 Primer and a liter of UP2303 Fast Hardener 
  • Substrates: Bare metal, properly prepared aluminum and galvanized, GRP, SMC, fiberglass, polyester filler, OEM surface

    • Also Available in Black UP2275 and White UP2277 in our store

This product CAN NOT be USED in California due to VOC Regulations.  

It is your responsibility to comply with VOC regulations