*1 Weight９�span style="box-sizing: border-box;animation-fill-mode: both;padding: 0px">Sample Size９�span style="box-sizing: border-box;animation-fill-mode: both;padding: 0px">4m×1m

Obtain one sheet of sample sheet (product width x 100cm). Use a balance and measure (Minimum scale 0.01g) the weight of unit area.

*2 Air Permeability９�span style="box-sizing: border-box;animation-fill-mode: both;padding: 0px">JIS L1913 Frazir Type Tester

Obtain 21 sheets of sample sheet (about 10cm x 10cm) to the width direction in fixed intervals. Use Frazir type tester, measure the air permeability at 125Pa and take the ave rage.

*3 Tensile Strength９�span style="box-sizing: border-box;animation-fill-mode: both;padding: 0px">JIS L 1913Cut Strip Method

Sample Size(Width×Length)９�span style="box-sizing: border-box;animation-fill-mode: both;padding: 0px">50mm×300mm

Clamping Distance９�span style="box-sizing: border-box;animation-fill-mode: both;padding: 0px">200mm＋�span style="box-sizing: border-box;animation-fill-mode: both;padding: 0px"> Rate of Stretching９�span style="box-sizing: border-box;animation-fill-mode: both;padding: 0px">100±10mm/minObtain 3 sheets of sample (50mm x 300mm) to the width direction in fixed intervals.

Use tensile tester (TENSILON), measure the tensile strength and the elongation with the interval of 200mm and the speed pull 100mm/min and take the average.