REPAIR INSTRUCTIONS USING FIBER GLASS MATERIAL4.When working with fiber glass, always work In a wellventilated area. DO NOT SMOKE OR EXPOSEFLAME WHERE KITS ARE BEING USED ORSTORED. If possible, obtain a kit of material largeenough to accommodate only one or two Jobs toavoid storing any quantity of the material. Resinliquid must be kept In a metal container or cabinetwhen not being used.5.Repairs must be ground or sanded to matchsurrounding contours. When grinding or sanding, ItIs advisable to use an approved type respirator duringthe operation. Suitable respirators are availableunder equipment number SE-1 798 and SE-1799.The ground dust or particles of resin or fiber glassmust not be Inhaled, or irritation may occur.MATERIALS REQUIREDFiber Glass Mat (Figure 2)This blanket of randomly arranged fibers is the repair materialyou will use in all repairs requiring a backing patch. Its weightis measured in ounces per square foot. For most of yourrepairs, a 1-1/2 oz. mat is required.Figure 2. - Fiber Glass MatFiber Glass Cloth (Figure 3)This material is made from continuous filament glass fibersthat are commercially woven on regular textile machinery.Fiber glass cloth is used where the most strength and the leastthickness is needed. Its weight is measured in ounces persquare yard. A 10 oz. cloth is recommended for mostautomotive repairs.Figure 3. - Fiber Glass ClothResin (Figure 4)Resin is a liquid plastic that hardens when combined withanother substance known as a catalyst or hardener. The resinused for most automotive fiber glass repairs is polyester resin.Because it is inexpensive and has a short hardening (curing)time, it is used for repairs requiring the pre-forming of abacking patch and is available from:Polycomp 5116Neo-Pruf Industrial Coatings, Inc.3085 W. Market St.Akron, Ohio 44313Figure 4. - ResinEpoxy Adhesive (Figure 5)This is the bonding cement used to create a strong durablebond between back side of repair area and the backing patch.It is also used for bonding reinforcement panels to the backside of an outer panel. It is available from:REN Plastics 1258 Epoxy orREN Plastics Fastweld No. 10 EpoxyREN PlasticsA Ciba-Geigy Co.5556 S. CedarLansing, MI 48909Figure 5. - Epoxy AdhesiveCTS-4049Page 4
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