Sika BPO Cream Hardener, Red, 4oz Tube

Achieve rapid, reliable curing for your polyester resin and filler projects with Sika BPO Cream Hardener. This high-performance benzoyl peroxide paste is engineered to accelerate hardening and de-molding, even in cooler temperatures, ensuring efficient project completion. Ideal for a wide range of filling, fairing, and bonding applications, it provides excellent adhesion across various substrates, including plastics, metals, composites, wood, and marine fiberglass. The distinct red color indicator ensures easy and thorough mixing. Elevate the quality and speed of your repairs and fabrications with Sika.

Key Benefits:

• Accelerated Curing: Formulated with BPO (benzoyl peroxide) to promote rapid hardening and de-molding of amine-accelerated polyester resins and fillers, even in low-temperature conditions.
• Versatile Application: Excellent for everyday filling, fairing, and bonding, offering fast and easy sanding for a smooth finish.
• Superior Adhesion: Ensures strong bonds to a wide range of substrates, including epoxy, wood, aluminum, steel, FRP, SMC, and urethane foam.
• Marine-Grade Performance: Suitable for both above and below waterline applications, making it an excellent choice for marine repairs and construction.
• Visible Mixing Indicator: Supplied in a red paste form, allowing for easy visual confirmation of thorough mixing with your resin system.
• Optimized Mixing Ratio: For polyester systems, typically mixes at 2 parts BPO cream hardener to 100 parts resin by weight, ensuring consistent results.

Recommended Pairings:

• For best results, use with Sika's compatible polyester filling and fairing compounds such as Sika APF 4 and Sika APF 7.