UPO Isopon Hardener Sachet for P38 and P40 Body Fillers 20g

The U-Pol Hardener for P.38/P.40 is a compact 20g sachet designed to activate polyester body fillers. This add-on hardener is compatible with all U-POL and ISOPON polyester fillers, ensuring a reliable, even cure for seamless repairs. Ideal for automotive bodywork projects, it delivers fast setting times and strong adhesion when mixed with your filler of choice. Lightweight packaging and easy-to-measure sachet format make on-site application simple and efficient. Use as directed to achieve durable, professional-looking results on panel work, dents, and minor structural repairs. Always follow safety guidelines and mixing ratios for optimal performance.