Blue Cream Hardener 1oz – M90 Catalyst for Polyester Fillers & Body Repairs

The Blue Cream Hardener 1oz (M90) is a high-performance catalyst formulated for use with polyester-based fillers, putties, and glazes. Ideal for automotive and industrial body repair, this cream hardener provides a consistent mix, fast cure time, and smooth, tack-free finish when combined with body filler materials. Its vibrant blue color makes blending easy and ensures accurate hardener-to-filler ratio for dependable results. Packaged in a convenient 1oz tube, it’s perfect for small repairs or precise applications. Whether you’re a professional technician or a DIY enthusiast, the M90 Blue Cream Hardener delivers reliable curing performance and durable results on every job.