Shim Stock Sheet Polyester Thickness 0.0015 In Thickness 0.038 mm Thickness Tolerance +/-0.000075 In Width 10 In Width Tolerance +/-0.0625 In Length 20 In Length Tolerance +/-0.0625 In Tensile Strength 30 000 PSI Temperature Range -90 to 300 F Moisture Absorption 0.08 Compress To 1.00 Purple Meets LP-377