Mil Thickness                                            .002    .004    .006    .008    .010

Tensile Strength ASTM D 882-A         

psi, lengthwise                                          1700   1700   1700   1700   1700

psi, crosswise                                           1200   1200   1200   1200   1200

Elongation ASTM D 882-A

% lengthwise                                             225     225     225     225     225

% crosswise                                              350     350     350     350     350

Impact Resistance ASTM D 1709                    

Grams by dart drop                                 100     165     260     370     475

Water Vapor Transmission      

ASTM E 96-E

permeance, perms                                   0.38    0.19    0.13    0.096  0.076

wvtr, grams/100 square inches               0.70    0.35    0.23    0.18    0.14

wvtr (g/24.h.m2)                                        11.0    5.5       3.7       2.8       2.2

Density, gr/cc                                            0.92    0.92    0.92    0.92    0.92

Net Weight, lbs/1000 sq. ft.                    9.5       19.1    28.7    38.2    47.7