Product Name: ASME B16.21 CNAF Gaskets
Type: Compressed Non-Asbestos Gasket
Standard: ASME B16.21
Size: DN100, 4 Inch
Pressure Rating: Class 150 LB
Thickness: 1.6 mm
Material: Aramid Fibre + Nitrile Rubber (NBR)
Source: https://www.landee.cn/asme-b16-21-cnaf-gaskets-aramid-fibre-nbr-4-inch-150-lb.html