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Performance Data

WEST SYSTEM brand epoxy has been continually formulated, tested and improved for more than 30 years to produce the most reliable and well-balanced marine epoxy system available.

Potential resin and hardener formulas, ingredients and combinations are tested to compare fatigue strength, compression strength, glass transition temperature, and peak exotherm.  Qualified samples are tested for hardness, tensile strength, tensile elongation, tensile modulus, flexural strength, flexural modulus, heat deflection temperature, impact resistance and moisture exclusion effectiveness. 

Thorough testing such as this insures that any change in a formula will improve one or more of the product's characteristics without diminishing any characteristics.