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    Backing Type
    Backing Type
    PlainAdhesive
    Wool Felt Grade
    Wool Felt Grade
    F1
    F3
    F5
    F7
    F13
    F10
    S2-20
    S2-24
    S2-32
    Hardness Rating
    Hardness Rating
    Soft
    Firm
    Hard
    Pressure to Compress 10%
    Pressure to Compress 10%
    3 psi
    4 psi
    6 psi
    13 psi
    21 psi
    58 psi
    86 psi
    121 psi
    Not Rated
    Maximum Temperature
    Maximum Temperature
    180° F
    200° F
    300° F
    Minimum Temperature
    Minimum Temperature
    -80° F
    -40° F
    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
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    Wool Fiber Content
    Wool Fiber Content
    75%
    80%
    85%
    95%
    100%
    Tensile Strength
    Tensile Strength
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    75 psi
    225 psi
    250 psi
    400 psi
    500 psi
    600 psi