Page 154 - Chem-02-7-Safety-workplace-PPE-2-Chemsuit
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Seam
Technologies
Lowest barrier Lowest cost Lowest strength
Most commonly seam method to protect against Dry
Particulates
Serged Seam
Extra Overlay material to improve barrier Moderate cost
Common in clean rooms
Increased holdout of Liquids and Dry Particulars
Bound Seam
Impervious barrier Sealed with a heat activated tape Higher
cost
Garments manufactured twice
Heat Seal Especially useful for Level A & B Chemical Barrier
Seam
Heat sealed on the outside and inside Highest cost
Garments manufactured three times Vapor barrier
Highest Strength and Chemical Resistance
Heat Seal Plus
Seam
