Product overview
Base resin for SMC/BMC compounds
POLYSTAR B-303 is designed for SMC/BMC compounds, with emphasis on gloss, thickening behaviour, fast cure and high reactivity.
Key TDS data
- Viscosity: 5–7 poise at 25°C
- Acid value: 15–19 mg KOH/g
- Volatile content: 37–41%
- Gel time: 12–14 minutes at 82°C
- Typical HDT: 120°C after the TDS post-cure schedule
- TDS gel data uses 1.0 phr BPO at 82°C
Request TDS / SDS
Current documents are provided by GKFRP upon request for the correct product grade and application.
Technical note
Values are taken from the supplied TDS and are not batch acceptance specifications. Review the current TDS/SDS and validate moulding or cure conditions before production.