First Quality Composite Materials Guaranteed
Item Price Qty
White BPO, 1 oz Tube
White BPO, 4 oz Tube
Black BPO, 1 oz Tube
Black BPO, 4 oz Tube
BPO Hardener

Easy-Blend Cream Hardener

White BPO and Black BPO are cream hardeners for use with the #4100 Polyester Fairing Compound.

Our kits ship with white hardener, but you can select Black for use as a mix indicator. All hardeners are easy to use and offer effective rapid reactions.

  • Available in 2 sizes - 1 oz. and 4 oz.
BPO Hardener 1 oz. (#264-A, #265-A, #266-A) and 4 oz. (#264-B, #265-B, #266-B) units can be shipped via standard ground service without hazard charges within the 48 contiguous United States. All sizes of #264, #265 & #266 (1 oz. and 4 oz.) will be subject to a hazard charge if shipped by air. Please see our Hazardous Shipping Chart for more information about hazard fees. We will consolidate items whenever possible to minimize these fees.
BPO Hardener BPO Hardener is available in three colors, each available in two sizes that include: One 1 oz. tube of white (#264-A) One 4 oz. tube of white (#264-B) One 1 oz. tube of red (#265-A) One 4 oz. tube of red (#265-B) One 1 oz. tube of black (#266-A) One 4 oz. tube of black (#266-B)