Gaskets / Joint Sheets
Compressed Non-Asbestos Fiber Sheet
Compressed Non-Asbestos Fiber Sheet is a group of 18 IMPA-coded items (codes 815605–815626) under Gaskets / Joint Sheets in the Packing & Jointing section (IMPA 81). All of them are priced per sheet. The list runs through 5 metric sizes from 1×1270 mm to 2540×3810 mm.
Buying guide
Compressed non-asbestos fibre sheet is the general-purpose jointing sheet from which the engine room cuts its own flange and bonnet gaskets. The sheet is made of organic and inorganic fibres bound with rubber and filler, supplied in square or large sheets by thickness.[1]
It serves water, steam, oil and liquefied-gas joints on pipe flanges, valve bonnets and equipment covers. The engineer keeps a stock and raises it with overhauls; cutting from sheet saves holding every pre-cut size.[1]
How to specify it
State grade, thickness (1.0, 1.5, 3.0 mm and so on) and sheet size, and whether an anti-corrosion (AC) version is wanted. Give the service fluid, maximum temperature and pressure so the grade can be checked: the general grade listed here is rated -50 to 183 °C and up to 3 MPa.[1]
Ask for an asbestos-free declaration with the delivery. IMO recommends that any item to be installed has a statement of compliance with SOLAS regulation II-1/3-5, such as an asbestos-free declaration, with random confirmation.[2]
Rules and certificates
SOLAS regulation II-1/3-5: from 1 July 2002 installation of asbestos-containing materials was prohibited on all ships except some vanes, joints and insulation; from 1 January 2011 any installation is prohibited without exception. IMO notes asbestos still reaches ships through repairs and spare parts bought later.[2]
Questions buyers ask
- Can I still use old asbestos jointing from the store?
- No. Since 1 January 2011 SOLAS II-1/3-5 prohibits any new installation of asbestos-containing material on any ship.
- Is compressed fibre sheet good for high-temperature steam?
- Check the grade limits. The general grade here is rated to 183 °C and 3 MPa; above that use a graphite or spiral-wound gasket.
Sources
Published by Sherif Awad, founder of GeoMarineHub — in ship supply since 1990, a family business since 1981 (45 years). Last checked .
At a glance
Part of Packing & Jointing (IMPA section 81): Gaskets, gland packing, jointing sheet, O-rings, oil seals and sealing tapes.
It is one of 44 groups under Gaskets / Joint Sheets; the others include Bi-directional PTFE Sheet Gasket, Butterworth Hole Gaskets, Clutch Facings, Expanded Graphite Joint Sheet Gaskets, Felt Packing Sheets and 38 more.
Post the ones you need as a requirement and verified suppliers activated at your port bid on them — sealed, so nobody sees another bid.
- Items
- 18
- IMPA codes
- 815605–815626
- Priced
- per sheet
- Sizes
- 1×1270 mm – 2540×3810 mm
Items
Also under Gaskets / Joint Sheets
- Bi-directional PTFE Sheet Gasket
- Butterworth Hole Gaskets
- Clutch Facings
- Expanded Graphite Joint Sheet Gaskets
- Felt Packing Sheets
- Flange Gaskets
- High Performance Non-Asbestos Sheet - Valqua No.GF-300
- Joint Sheets All Purpose Non-asbestos
- Joint Sheets Canvas Insertion Rubber
- Joint Sheets Cortex
- Joint Sheets Cotton Insertion Rubber
- Joint Sheets Fiber
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