Product Overview
General-purpose polyester laminating resin
SHCP 268 BQTN is a quick-curing orthophthalic unsaturated polyester resin designed for hand lay-up and gun spray-up FRP laminates.
Key points
- Thixotropic and pre-accelerated
- Suitable for hand lay-up and gun spray-up
- Available as waxed 268 BQTN LSE or unwaxed 268 BQTN
- 15-18 minute gel time at 30°C with 1% MEKP per the TDS
- Used for boats, canoes, tanks and a broad range of FRP parts
- Catalyst level and cure conditions must follow the current TDS
How to use
- Stir the resin in the drum before use, as it is thixotropic.
- Add MEKP catalyst at the TDS ratio. At 30°C with 1% MEKP, gel time is about 15–18 minutes; lower temperatures slow the gel.
- Mix only what can be used within the gel time and roll out each layer immediately after lay-up or spraying.
Waxed LSE or unwaxed
- 268 BQTN LSE (waxed): wax migrates to the surface during cure for a tack-free outer layer and lower styrene emission. Use for the final layer or when no further plies follow.
- 268 BQTN unwaxed: the surface stays receptive for the next ply, suited to staged multi-layer lamination. Sand and clean any cured waxed surface before laminating over it.
Storage
Store in a cool place away from sunlight and heat sources; keep containers closed after opening. Use stock on a first-in, first-out basis.
Request TDS / SDS
Current documents are provided by GKFRP upon request for the correct product grade and application.
Technical note
Specifications and use procedures should be checked against the current TDS/SDS and validated under actual production conditions before full implementation.