Cobalt Accelerator 2% & 6% – reacts with MEKP catalyst to begin the hardening/ curing process. Adding extra cobalt to pre accelerated systems can result in very quick gel cure times. Most polyester resins are now available pre-accelerated but some still require separate accelerator addition. Please check with Resin manufacturer if the gelcoat/resin is pre-accelerated or not before adding the accelerator.
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