Using fiber shelf for firing

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  • #9702
    kchutchinson1
    Participant

    I am considering using a fiber shelf for my glass firing. Any advice? Pros or Cons?

    #12286
    Stephen Richard
    Participant

    Some characteristics of fibre board as they come to me:

    Light weight

    Might need hardening

    can’t be scraped clean of batt wash

    need sanding for really smooth surface (or smoothing on something like batt wash or alumina hydrate)

    Can warp over time even when supported every 100 mm

    Will warp over time when placed on the kiln floor

    Needs to be thick – at least 25mm

    Possibly not much cheaper than mullite shelves

    Fragile, but with care can last years

    Need to use dust masks when ever working with fibre board

    Good cooling characteristics as it doesn’ hold the heat the same way a mullite shelf does

    There will be other things about the characteristics of fiber boards that others may add.

    Stephen Richard

    blogs at: http://www.verrier-glass.blogspot.com/ and  http://www.glasstips.blogspot.com/

    #12287
    kchutchinson1
    Participant

    Thanks –Your info was greatly helpful. It answered a couple of my concerns and gave me additional important information

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