1/4 inch customized size pe300 sheet for sale 1/16 recycled pe300 sheet whosesaler-HDPE sheets 4×8 for sale 1 inch thick recycled pe 300 polyethylene sheet for Swimming 1 inch thick natural pehd sheet for Engineering parts-HDPE 1 Pa (N/m 2) = 1x10-6 N/mm 2 = 1.4504x10-4 psi; 1 MPa = 10 6 Pa (N/m 2) = 0.145x10 3 psi (lb f /in 2) = 0.145 ksi 1