H734 NORMAL HARDENER FOR 2K ULTRA-HIGH SOLID CLEAR COATS
MEDIUM-SPEED ISOCYANATE HARDENER – BALANCED PERFORMANCE FOR EVERYDAY CONDITIONS
HB BODY H734 HARDENER ULTRA HS NORMAL is a versatile, medium-speed isocyanate hardener formulated for use with HB BODY 2K Ultra High Solids (UHS) clearcoats. Designed for both spot repairs and full resprays in moderate climate conditions, it delivers balanced drying times, excellent flow, and long-lasting gloss. The ideal all-around solution for refinishing professionals working in typical workshop environments.
KEY FEATURES:
✅ Perfect Balance – Optimized drying time for most climate conditions.
✅ Smooth Flow and High Gloss – Delivers a premium finish with minimal effort.
✅ Durable and Resistant – Enhances chemical and mechanical performance.
✅ Designed for UHS Clearcoats – Ideal for use with HB BODY C894 and other UHS systems.
✅ Suitable for Spot Repairs & Full Resprays – A go-to hardener for daily refinishing.
✅ Stable Performance – Consistent results across a range of conditions.
APPLICATION DETAILS:
- Mix Ratio – 2 parts clearcoat to 1 part H734 HARDENER ULTRA HS NORMAL.
No Thinner Needed. - Pot Life – 90–120 minutes at 23°C (with C894 CLEAR ULTRA HS).
- Spray Viscosity – 18–20 s (DIN 4 / 20°C) with C894.
- Compatible Spray Gun Setup – 1.2–1.3 mm nozzle | 1.7–2.2 bar (25–32 psi).
- Drying Times (with C894) –
- Air Dry: 16–20 h @ 23°C.
- Force Dry: 25–40 min @ 60°C
- IR: Half power 5 min + Full power 12–16 min
- Polishing can be performed 60 minutes after full bake and cool-down.
IDEAL CONDITIONS FOR USE:
- Spot Repairs
- 20–30°C: Use H734 NORMAL
- Full Resprays
- <25°C: Use H734 NORMAL
- 25–35°C: Use H733 SLOW
- Humidity – 40–80% recommended
PERFORMANCE SPECS:
- VOC Compliant – 420 g/L (EU 2004/42/IIB(d)) when used with compliant UHS systems
- Shelf Life – 24 months (5–25°C, unopened)
- Pack Sizes – 2.5L standard can
- Compatibility – Works seamlessly with HB BODY solvent- and waterborne basecoats and UHS clearcoats like C894.
PROFESSIONAL QUALITY YOU CAN TRUST:
- From quick touch-ups to comprehensive restorations, H734 delivers reliable performance and a brilliant finish across a wide range of jobs. Its medium set time ensures you stay in control without sacrificing quality.
PICK H734 FOR DEPENDABLE FLOW AND GLOSS—YOUR WORKSHOP’S GO-TO HARDENER FOR CONSISTENT RESULTS.