Product Name: SS 304 Spiral Wound Gaskets
Type: Spiral Wound Gasket
Standard: ASME B16.20
Inner Ring Material: SS 304
Outer Ring Material: SS 304
Filler Material: Graphite
Size: 16 Inch
Pressure Rating: Class 150 LB
Thickness: 4.5 mm
Source: https://www.landee.cn/ss-304-spiral-wound-gaskets-16-inches-cl150-lb-thk-4-5-mm.html