BUTANOX M-50 MEKP CATALYST

Butanox M-50 MEKP Catalyst

Butanox M-50 is a Methyl Ethyl Ketone Peroxide (MEKP) catalyst used for free radical polymerization of vinyl ester and polyester resins. A precise, reliable initiator trusted by composite professionals for consistent gel times and thorough cure across a wide range of ambient temperatures.

• Compatible with vinyl ester and polyester laminating resins
• Reliable, predictable gel time when used at correct dosage
• Available in 100g, 500g, and 1kg pack sizes
• Handle with care — oxidising agent, classified as Dangerous Goods (DG)

Typical usage: 1–2% by weight of resin. Always follow resin manufacturer’s recommendations for dosage and temperature adjustments.

Note: Shipping by custom freight quote only due to DG classification.