RDH-9874 High Impact Fast Curing Laminating Hardener
Description
RDH-9874 High Impact Fast Curing Laminating Hardener
RDH-9874 Hardener – Curing Agent Only (Resin Sold Separately)
RDH-9874 is a system-matched, high impact fast curing epoxy hardener designed for use with select Premium Resin Tech laminating resins. It provides excellent adhesion and wet-out on Kevlar®, carbon fiber, and fiberglass reinforcements, helping produce strong, void-free laminates with a clean finish. This fast hardener is ideal for shops that need rapid turnaround, quick demold times, and predictable performance at room temperature.
Compatible Resins
RDR-3212 High Impact Room / High Temperature Laminating Resin
- RDR-3410 Room Temperature Epoxy Laminating Resin
Key Benefits
- Fast cure speed: short pot life for quick laminating, fast handling, and reduced cycle times.
- Excellent wet-out and adhesion on aramid (Kevlar®), carbon, and glass fabrics for quality laminate consolidation.
- Consistent curing behavior when used with the specified RDR resins for predictable shop results.
- Cleaner finishing: tough, clear, and dust-free surfaces when processed per TDS recommendations.
Mixing & Use
- Use only with the compatible RDR epoxy resins listed above.
- Always follow the mix ratio (by weight or volume) specified on the resin/hardener Technical Data Sheet.
- Measure accurately and mix thoroughly, scraping sides and bottom to ensure a uniform blend.
- Apply immediately after mixing; work efficiently due to the fast gel time.
- Maintain recommended shop temperature and follow TDS guidelines for cure and post-cure if required.
Packaging & Sales Units
- 2 lbs container
- 9 lbs container – approximately 1 gallon (by volume)
Sold by weight: all sizes are sold in pounds to ensure accurate measurement and mix ratios.
Storage & Safety
- Store sealed containers in a cool, dry place and protect from moisture and air.
- Use within the recommended shelf life for best results; test before use if stored for an extended period.
- Always wear appropriate PPE and review the product SDS/TDS for full handling and first-aid guidance.
RDH-9874 is part of the Premium Resin Tech epoxy system family, engineered and manufactured in the USA for professional composite fabricators who require fast, reliable curing performance and high impact strength.