SKU: S33145S16
Size: 1 Quart Tub
Description: System Three Glass Microspheres
 
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These bulking agents are hollow, clear microscopic spheres that make a low-cost, low-density filler. Added to epoxy resin and hardener mix, they make a good, heat-resistant, light-weight fairing compound with good compressive strength. Mixture can be blended with a small amount of Silica Thickener to prevent sagging. Not recommended for gluing.