ArmorThane WC-111 Primer/Sealer – Part A
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ArmorThane WC-111 Primer A is the Side A component of WC-111, a specially formulated 100% solids polyurethane primer/sealer for wood and concrete. WC-111 reacts rapidly with moisture and contaminants to improve adhesion and flexibility, and it chemically cross-links with ArmorThane topcoats.
Features
- Side A: emulsifiable diphenylmethane diisocyanate (MDI)
- Combine with WC-111 Part B (oil-based polyol)
- Helps prevent under-film corrosion and improves bond
- Ready for any ArmorThane topcoat
Specifications
- Component: Side A (isocyanate, MDI)
- System: WC-111 100% solids polyurethane primer/sealer
- Substrates: Wood and concrete
- Stock number: PRI120
Compatibility
Used with ArmorThane WC-111 Part B (PRI121). Contains isocyanate – use gloves, eye protection and respiratory protection; ArmorThane recommends a positive-fed fresh-air mask.
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