3-ply Birch Aircraft Plywood MIL-P-6070 12" x 12" (305mm x 305mm)
Available in 1/16" (1.59mm), 3/32" (2.38mm), and 1/8" (3.18mm).
MIL-P-6070 3-ply aircraft grade plywood with birch outer layers and a basswood or poplar inner layer at 90degrees to the face.
This high quality American-made structural aircraft-grade plywood is made of american birch veneers laminated in a hot press to hardwood cores of poplar or basswood with waterproof glue. Will meet all requirements of specification MIL-P-6070, which calls for shear testing after immersion in boiling water for 3 hours. Far superior to many plywoods in which all plies are 1/16 inch thick and laminated in a cold press to make up the total thickness.