This is the number of threads in one square inch

and portable work equipment

This size is commonly used in vocational classrooms and industrial facilities

This 8' x 12' black 18 oz

Best Uses for 10' x 12' Black 10 oz

White Fire Retardant Tarp 30' x 40' Clear Tarps This is the number ofHEAVY DUTY FIRE RETARDANT POLYETHYLENE The 30' x 40' White Fire Retardant Tarp is made from heavy duty fire retardant polyethylene and is sized for creating large fire safe enclosures. Its 30' x 40' dimensions provide expansive rectangular coverage for enclosed work areas, equipment, and industrial operations. The broad layout is well suited for forming temporary fire safe enclosures that separate active projects from surrounding spaces. This 30' x