What is the difference between ASTM C 902 pavers and ASTM C 1272 pavers?

ASTM C 902 is entitled "Specification for Pedestrian and Light Traffic Paving Brick." The scope mentions applications such as patios, walkways, floors, plazas and driveways. ASTM C 1272 is entitled "Specification for Heavy Vehicular Paving Brick."

These pavers are used in areas with a high volume of heavy vehicles. Heavy vehicular traffic is defined as many repeated passes of tractor-trailer trucks. This includes streets, commercial driveways and aircraft taxiways.

Pavers conforming to ASTM C 902 can be used in most applications, except those that receive truck traffic.

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