DESCRIPTION
An asbestos free sheet sealing material composed of Kevlar aramid fibres and high temperature resistant mineral fillers, bonded with NBR elastomerSERVICE
General service material suitable for a wide range of applications including: hot and cold water, low pressure steam, oils, fuels, gases and a wide range of general chemicals. Suitable for public utilities, chemical plants, oil industry, etc.Max recommended temperature : SHORT TERM 350°C
Max recommended temperature : OPERATING 250°C
Max recommended temperature : OPERATING STEAM 200°C *
Max recommended pressure : 10MPa / 80 BAR / 1144 PSI
These temperature and pressure guides cannot necessarily be used simultaneously and may not apply to all thicknesses. The operating temperature for non-asbestos sheet materials is related to the thickness of the material. Thinner materials offer better temperature and pressure properties.
APPROVALS/COMPLIANCE
DIN-DVGW (Gas Industry) NG-5123 AO1021 WRAS Potable Water Certificate No. 0008505 Complies with BS specification 7531 Grade YALL PRESSURES AND TEMPERATURES ARE SUBJECT TO INDIVIDUAL APPLICATION
TYPICAL PHYSICAL PROPERTIES ‘Y’ NAF
| Thickness * | 1.5mm * | |
| Density | 1.90 g/cc | |
| Tensile Strength | ASTM F152 | 12.0 MPa |
| Compression | ASTM F36J | 7% to 12% |
| Recovery | ASTM F36J | 60% |
| Residual Stress | BS7531 40N/mm² @ 300°C | 23 MPa |
| Gas Leakage | BS7531 | <0.5ml/min |
| ASTM Oil 1 | ASTM F146 | 2.5% |
| ASTM Oil 3 | ASTM F146 | 5.0% |
| ASTM Fuel B | ASTM F146 | 4.0% |