MIL-PRF-24613A(SH)
3.2.2 Type II.
3.2.2.1 Class 1. Deck covering materials shall consist of a pre-mixed colored quartz aggregate, a clear or
colored single component polyurethane or polyurea resin (or separate base and hardener components), and a clear
single component polyurethane or polyurea resin (or separate base and hardener components) used as initial seal
coat(s). The seal coat(s) may include an aggregate to provide the required slip resistance.
3.2.2.2 Class 2. Deck covering materials shall consist of a colored single component polyurethane or polyurea
resin (or separate base and hardener components) to provide the bulk of the functional deck covering system, a solid
colored epoxy base resin (or a solid colored base and separate hardener component) to provide the final deck
covering color if the bulk of the deck covering system resin is uncolored, color flake chips, and a clear single
component polyurethane or polyurea resin (or separate base and hardener components) used as initial seal coat(s).
The seal coat(s) may include an aggregate to provide the required slip resistance.
3.2.2.3 Class 3. Deck covering materials shall consist of a pre-mixed marble chip aggregate, a clear or colored
single component polyurethane or polyurea resin (or separate base and hardener components), and a clear single
component polyurethane or polyurea resin (or separate base and hardener components) used as initial seal coat(s).
The seal coat(s) may include an aggregate to provide the required slip resistance.
3.2.2.4 Class 4. Deck covering materials shall consist of multiple single or dual component polyurethane or
polyurea resins of different colors (or multiple base materials with separate hardener components of different
colors), which shall be mixed together in the field to attain the desired cosmetic appearance, and a clear single
component polyurethane or polyurea resin (or separate clear base and hardener components) used as initial seal
coat(s). The seal coat(s) may include an aggregate to provide the required slip resistance.
3.2.3 Type III.
3.2.3.1 Class 1. Deck covering materials shall consist of a pre-mixed colored quartz aggregate, and a clear or
colored single component epoxy resin (or separate base and hardener components). The mixed product shall be able
to pass all of the performance requirements in 3.5 without application of any initial seal coat. However, a clear
single component epoxy resin (or separate base and hardener components) shall be specified as the seal coat(s) for
use during periodic sanding and resealing maintenance efforts.
3.2.3.2 Class 2. Not applicable. Color flake systems require an initial clear seal/finish coat to be applied to
seal the color flakes.
3.2.3.3 Class 3. Deck covering materials shall consist of a pre-mixed marble chip aggregate, and a clear or
colored single component epoxy resin (or separate base and hardener components). The mixed product shall be able
to pass all of the performance requirements in 3.5 without application of any initial seal coat. However, a clear
single component epoxy resin (or separate base and hardener components) shall be specified as the seal coat(s) for
use during periodic sanding and resealing maintenance efforts.
3.2.3.4 Class 4. Deck covering materials shall consist of multiple single or dual component epoxy resins of
different colors (or multiple base materials with separate hardener components of different colors), that shall be
mixed together in the field to attain the desired cosmetic appearance. The product shall be able to pass all of the
performance requirements in 3.5without application of any seal coat. However, a clear single component epoxy
resin (or separate base and hardener components) shall be specified as the seal coat(s) for use during periodic
sanding and resealing maintenance efforts.
3.2.4 Type IV.
3.2.4.1 Class 1. Deck covering materials shall consist of a pre-mixed colored quartz aggregate, and a clear or
colored single component polyurethane or polyurea resin (or separate base and hardener components). The mixed
product shall be able to pass all of the performance requirements in 3.5 without application of any initial seal coat.
However, a clear single component polyurethane or polyurea resin (or separate base and hardener components) shall
be specified as the seal coat(s) for use during periodic sanding and resealing maintenance efforts.
3.2.4.2 Class 2. Not applicable. Color flake systems require an initial clear seal/finish coat to be applied to
seal the color flakes.
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