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
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Easy-Blend Cream Hardener

BPO (benzoyl peroxide) is a peroxide used for curing amine accelerated polyester resins and fillers. It leads to rapid hardening and de-molding, even at low temperatures. It is used with our #4100 and our #4116 fairing and filling compounds. Each kit ships with white hardener, but you can select Black for use as a mix indicator, if desired.

BPO is sold separately in both Black and White, as well.

  • 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)