Product Name: ASME B16.20 Spiral Wound Gaskets
Type: Spiral Wound Gasket
Design Standard: ASME B16.20
Materials:
Inner & Outer Rings: SS 316
Filler: Graphite
Size: 10 Inch, DN250
Pressure: Class 600 LB, PN100
Thickness: 4.5 mm
Source: https://www.landeepipefitting.com/asme-b16-20-sw-gaskets-ss-316-10-inch-600-lb-thk-4-5-mm.html