Products

    Positive ion asphalt powder PFT

    Positive ion asphalt powder is used as high temperature filter loss reducing agent in drilling fluid.
    PFT Q/PSL009-2005 standard:

    item
    index
    appearance
    black powder
    fineness(0.90mm), %≤
    10.0
    drying loss, %≤
    25.0
    PH range
    7～10
    inhibition ratio, %, ≥
    65.0
    softening point
    70-100



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