1 Quart 3M Glass Bubbles K1 Lightweight Filler for Epoxy Resin Fairing Compound
Genuine 3M Glass Bubbles in the K1 grade – the hollow glass microspheres boat builders reach for when a fairing mix has to be as light as possible and still sand clean. 3M Glass Bubbles, K1 Grade – Lightweight Filler, 1 Quart.
1 Quart Milled Fiberglass Fiber 1/32in Strength Additive for Epoxy Resin Repair
Milled glass fiber is the strength filler: short 1/32″ milled fiberglass strands that reinforce epoxy and polyester mixes instead of just thickening them. 1/32″ Milled Fiberglass Fiber – Strength Additive, 1 Quart.
1 Quart Cotton Flock Filler for Epoxy Resin Glue Structural Bonding Fillets
Use it for: structural fillets on stitch-and-glue and plywood builds, gluing scarf joints and laminations, bonding hardware and blocking, gap-filling glue joints, and repair putty where strength matters more than sanding ease.