MEKP Catalyst Calculator
Calculate exactly how much MEKP catalyst you need for polyester resin, vinyl ester, or gelcoat.
Input
Standard mix is 1.5% at ~70–75°F. Adjust as needed.
Result
0.24 oz
7.1 mL / cc
Quick Tip:
Perfect for small batches and repairs.
Quick Mix Examples
8 oz Resin
~3.5 mL (0.12 oz)
~3.5 mL (0.12 oz)
16 oz Resin
~7 mL (0.24 oz)
~7 mL (0.24 oz)
32 oz Resin
~14 mL (0.48 oz)
~14 mL (0.48 oz)
1 Gallon
~60 mL (2 oz)
~60 mL (2 oz)
Note: Based on MEKP 925 at 77°F. Results are estimates—different resins may require adjustments.
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