ROUND, ARCHED, ELLIPTICAL, CULVERT PIPE

The MacWrap collar is made with an outer cover of impervious and chemical resistant polyethylene. With a layer of specially formulated rubberized mastic that is reinforced with a tough, high strength, sheer and puncture resistant internal polypropylene reinforcing fabric. Steel compression bands are sheathed in isolation tubes allowing the bands to tension inside the mastic and around the pipe.

TYPICAL PROPERTIES Polyethylene Backing - Tensile strength, min psi - 4,000 -D882, Method A

Elongation at break, min, % -100 -D882, Method A Tear resistance, min. psi -1,500 -D624, Die C Water absorption, max, % -0.01 -D570

Reinforcing Mesh Element- Tensile strength, min lb, in. -D1682 Warp 75

Fill 75 Elongation at break, min, %

Warp 20 Fill 20

MAC WRAP

Since 1953 Value Quality Dependability Integrity

MAR-MAC CONSTRUCTION PRODUCTS, CO. P.O. BOX 447, McBee, South Carolina 29101 Telephone 843/335-5814 Fax 843/335-5909

Toll Free 8 7 7 / 9 6 2 - 7 6 2 2 www.marmac.com