It contains short, interlocking fiberglass strands and fibers that make it twice as strong as regular body filler. Bondo Glass Reinforced Filler formula is 2X as strong as traditional lightweight filler.
3M Bondo Short Strand Fiberglass Reinforced Filler 21Oz (595.34G) w/ Bondo Cream
Bondo Short Strand Fiberglass Reinforced Filler with Bondo Cream Hardener 0.5 oz
Bondo® Short Strand Fiberglass Reinforced Filler SS-PT-ES, 21 oz
Bondo Short Strand Fiberglass Green Interior/Exterior Body filler 40.9 Ounce(s)
