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SHIMRIN® Metallic Color Bases (BC & FBC) are universal base coats that may simply be cleared for a final finish, or used as a base coat for Kandys. Due to their unique chemistry make-up, they may be top coated with either acrylic lacquer or urethane enamel. Once a system is chosen (acrylic lacquer or urethane enamel) use only products within that system. Intermixing of these two systems, after the base coat, is not recommended. For example: If SHIMRIN® Base is top coated with an acrylic lacquer Kandy, it must also be cleared with an acrylic lacquer clear.
Read TECH PREP' thoroughly before you begin painting. SHIMRIN® bases are susceptible to staining or bleeding from plastic fillers, putties, fiberglass resins and some primers. To prevent staining, strip bare (or to OEM primer) and prime with our KP-2CF Chromate Free Kwikure Epoxy Primer or our KP-21 Kwikure Epoxy Primer. See tech sheets for more information on KP Primers.
VEHICLE MUST BE ONE EVEN COLOR BEFORE APPLICATION OF BASE COAT. Primers and sealers are commonly used as a ground coat for BC and FBC Metallic Bases. Use KO-SEAL II sealer for faster coverage of base coats. When using sealer, allow flash time. See tech sheet for information on primer application and tech sheet for information on sealers.
NOTE: Sealer is not a cure-all for poor preparation and does not prevent discoloration or bleeding. The main purpose of the sealer is to increase adhesion of topcoats, to make the object one color (nearest to the base for faster coverage), and to improve color holdout.
Stir SHIMRIN® Base well. Reduce 50 (2 parts paint to 1 part reducer). Mix well and reduce only with RU-310, RU-311, or RU-312, based on booth temperature. NOTE: No catalyst is used in SHIMRIN® bases.
REDUCE ONLY WITH OUR KOSMIC REDUCERS. Use the reducer best suited to your shop temperature.
When blending, you may slightly over-reduce SHIMRIN® Bases or mix them with SG-100 Intercoat Clear for undetectable blends.
NOTE: Splitting or cracking is possible when using other companies' reducers or by using a reducer that is too slow for your shop conditions. Splitting or cracking may also occur when painting too fast without allowing proper dry time or by spraying on the base too wet and heavy.
After reducing, strain the paint into the paint gun. Air pressure 50-60 psi at the gun. 10 psi at nozzle of HVLP. Gun distance while spraying should be approximately 6 inches. Apply 3-4 medium coats with 50 pattern overlap. Walk long objects. Avoid dry spraying, as loss of adhesion is possible. Again, medium coats work best. Allow flash time between coats.
Allow dry time before Kandy or clear is applied (usually about 15 to 30 minutes and not longer than 12 hours). Topcoat within 12 hours or apply SG-100 Intercoat Clear (see step 5).
SHIMRIN® FLASH TEST - ALL SHIMRIN® BASES WILL DRY DULL AND SHOULD FEEL DRY TO THE TOUCH BEFORE THE NEXT COAT IS APPLIED. Monitor religiously for maximum merging of coats.
NOTE: DO NOT APPLY HEAVY WET COATS OF BC & FBC BASES AND EXPECT THEM TO FLOW.
They behave very much like lacquer, so apply medium coats only and avoid heavy build. Do not dry spray or lack of adhesion is possible. Apply medium coats, 50 pattern overlap. Flash dull between coats.
NOTE: 3 coats of SHIMRIN® BC or FBC Bases equals 1/2 to 3/4 mil, leaving a minimal edge. (Tape pulls away leaving a clean, low edge.)
SHIMRIN® Bases, with their low solids, are an excellent choice for artwork paint jobs. DO NOT TAPE DIRECTLY ONTO THIS SHIMRIN® BASECOAT. If artwork is planned, apply 1 or 2 medium coats of SG-100
Intercoat Clear (for urethane enamel topcoats) or C-1 Kustom Clear (for acrylic lacquer topcoats). The clear coat will protect the SHIMRIN® Base from tape marks and allow cleanup of mistapes. Sand with 500 grit wet or scuff pad for improved adhesion. See tech sheet for more information on SG-100 Intercoat Clear.
NOTE: DO NOT SAND SHIMRIN® METALLIC BASES DIRECTLY. Apply SG-100 Intercoat Clear for base coat protection if sanding is required. If you directly sand the SHIMRIN® metallic, you must re-base.
NOTE: SG-100 Intercoat Clear is designed to protect the base coats for artwork tape-outs and blends only.
DO NOT USE SG-100 AS A BUILD-UP OR TOPCOAT CLEAR, AS IT IS NOT WEATHER RESISTANT OR DESIGNED TO EXCEED 4 COATS.
CAUTION: SHIMRIN® Base coats do not have any chemical resistance until cleared. Final wash solvents will remove base coats. Use KC-20 Post Sanding Cleaner for cleanup.
SHIMRIN® BC and FBC Bases may be Kandied with either acrylic lacquer or urethane enamel. Remember if you Kandy with acrylic lacquer, you must also clear with acrylic lacquer. (If you Kandy with urethane enamel, you must also clear with urethane enamel). See appropriate tech sheets for Kandy application.
For artwork, our Kandy Koncentrates may be mixed with SG-100 Intercoat Clear for Kandy graphics. See tech sheet for more information.
ALL SHIMRIN® BC AND FBC BASES MUST BE CLEAR-COATED (with either urethane enamel or acrylic lacquer). Once a system is chosen, after the base coat, stay with that system. We recommend that you use House of Kolor clears for best results. See appropriate tech sheets for more information on clear coat application.
SHIMRIN® BC and FBC Bases may be intermixed for hundreds of color combinations. BC and FBC Bases may also be mixed with other SHIMRIN's®, including the Designer Pearls, Neons, and Graphic Kolors. The possibilities are endless. Create your own one-of-a-kind custom finish.
SHIMRIN® Pearl and Metallic Bases may also be added, in small amounts (no more than 25), directly to the Kosmic Kolor Kandys to ease touch-ups or for additional creative effects. Simply catalyze and reduce by volume as usual.