Product Description and Application Sheet

Fill Compounds (FC-1, FC-2, FC-3)

Description: Also referred to as leather repair compounds, our leather fill compounds are used to level any voids in the leather surface prior to texturing and color application. They are water-based, high-solid content resins, engineered for maximum flexibility and longevity. They are intended for use on most upholstery-grade leathers, including furniture and automotive applications.

FC-1 Soft Fill is a very soft, flexible resin, for use where extensive flexibility is critical. It is used primarily for filling shallow voids such as surface scratches, checking, or wear on the leatherís surface. FC-1 is not recommended to fill large voids, where actual material is missing, such as large burns, etc.

FC-2 Thick Fill is a high-solids repair compound that can be used to fill large voids in the leatherís surface. It is quick to cure, and has good tensile strength, for repairs in load-bearing areas.

FC-3 Hide Healer is a very tough filler that can provide improved tensile strength in a repaired area. It is effective in automotive repairs, where strength is more important than flexibility. It can be used as a base filler in conjunction with our other fillers to improve over-all tensile strength.

Application: Fill compounds can be applied with an artistís spatula or palette knife. Each individual swipe should be evenly applied, and allowed to cure before subsequent applications. Fillers have good resistance against the applicator, so they can be sculpted to accommodate damage to rounded surfaces, such as welts or rounded corners.

Curing of the filler can be accomplished by either air-drying (oxidation), or force-curing by a heat gun or a radiant heat source (such as an incandescent light bulb). When time constraints allow, using a bulb to cure the fill compound is preferable, as this allows all moisture to escape the resin, resulting in less residual shrinkage after the repair is complete. Oxidation curing times will be dictated by ambient issues such as temperature or humidity. We recommend that the lid on the storage jar be kept in place except when removing filler, to prevent premature curing of un-used compound.

Fill compounds are both wet- and dry-sandable once cured, and can be chemically feathered out using denatured alcohol.

FC-1 Soft Fill is slower to cure than FC-2, so additional time between swipes is recommended. It has a slightly lower solid content than FC-2 Thick Fill, so it has a slower build.

Fill compounds are water-based and non-toxic, though proper ventilation and safety measures are recommended.

For additional technical information or support, please call (800) 541-5982, or e-mail jmurray@advleather.com.

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