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GENERAL INFORMATION

• Kosmic Kolor® UC-1 Klear may be used to topcoat any urethane enamel finish, including all SHIMRIN® Base Coats.
• UC-1 is a tough clear coat, has ultra wet gloss, is crack proof and resists gas spills and most racing fuels.
• Stones bounce off without chipping. UC-1 contains sunscreen agents to preserve the color below.
• One coat equals 2 or 3 coats of lacquer.
• Higher solids than others, UC-1 can be over-reduced.
• UC-1 dries fast and may be buffed the next day.

1. MIXING UC-1 KLEAR

MIX ONLY WHEN READY TO SPRAY

• Mix 2 parts UC-1 Klear to 1 part KU-100 Catalyst to 1 part Kosmic Reducer. Mix well.
• REDUCE ONLY WITH KOSMIC REDUCERS.
• Use a reducer best suited to your shop temperature.
• See tech sheet for more information on reducers.

NOTE: UC-1 has a pot life of approximately 2 hours at 70°F (shop conditions will vary pot life).

NOTE: For extra flow out add 3 ounces of additional reducer per mixed quart of clear.

NOTE: We have designed specific Catalyst to work with each of our clears. These Catalysts are NOT interchangeable. Use only the Catalyst specified for the specific clear you are using.

NOTE: KU-100 Catalyst is moisture sensitive and will not keep for long periods once opened. When doing many small jobs, buy smaller containers to prevent spoilage. Keep container tightly sealed. Clean the catalyst container pour spout by wiping the threads with reducer for easy reopening.

2. APPLYING UC-1 KLEAR

• Apply 2 to 3 wet coats with 50 pattern overlap.
• Gun distance while spraying should be approximately 6 inches.
• Air pressure at gun 50-60 psi; 10 psi at nozzle of HVLP (may vary with equipment used).
• Allow flash time between coats.

URETHANE FLASH TEST - PAINT SHOULD BE STICKY AND NOT STRING WHEN TOUCHED AT THE WETTEST POINT BEFORE NEXT COAT IS APPLIED. (When using the flash test, always touch a new spot.) Monitor religiously for maximum merging of coats.

NOTE: Too long a wait between coats can cause re-coat problems. If excessive dry time has elapsed and clear coat feels dry to the touch, allow 12 hours before re-coating to avoid lifting problems.

NOTE: Over spray from any catalyzed topcoat material (such as our UB-4, UB-5, UK Kandys, UC-1 Klear or UFC-1 Flo-Klear) may lift when base coats are applied. Mask carefully to prevent this over spray when painting door jambs, etc.

3. COLOR SANDING

IF NOT FLOW COATING, GO TO STEP 5 POLISHING.

• After clear coats have cured over night (12 to 24 hours), color sand with 500 grit wet sandpaper.
• Add a small amount of mild liquid detergent to the water and soak the sandpaper for 15 to 20 minutes. This prevents sandpaper loading.
• Sand the entire vehicle flat, leaving no glossy spots.
• Dry as you go, so soap residue does not bite the fresh paint.
• After sanding, wipe the vehicle with a clean cloth and water. Wipe dry.
• Use a tack cloth to remove lint before re-coating. (Chemical washes at this stage are not recommended.)
• Use clean cloths and warm water.

NOTE: Avoid touching the vehicle with your bare hands, as the oil from your skin may impair flow coats.

CAUTION: DO NOT SAND THROUGH THE CLEAR AND RUIN ALL THAT YOU HAVE DONE.

4. FLOW COATS (optional)

RE-TAPING THE VEHICLE, AFTER COLOR SANDING, WILL GIVE YOU A CLEANER FINISH WHEN FLOW COATS ARE APPLIED.

• After color sanding, re-clear using 6 to 8 ounces of extra reducer per mixed quart of clear.
• The additional reducer will give you extra flow out.
• Begin with a medium coat, allow flash time, then follow with 1 to 2 wet coats.
• Allow flash time between coats. (For improved hardness the next day, add 1 extra ounce of Catalyst KU-100 to this mixture.)

NOTE: With this method, polishing is not required unless you desire a show quality finish, or to remove minor dirt particles. Do not wait too long to polish, as hardness develops fast. UC-1 should be polished within 24 hours.

5. POLISHING

In a 70°F shop, allow 12 hour dry time before polishing.

See tech sheet for more information on Polishing & Finishing.

ADDITIONAL INFORMATION

When clear coating UFB-4 Jet Set Black: mix equal amounts of UFB-4 and UC-1 Klear, then catalyze and reduce as usual, for improved gloss and D.O.I. (Distinctness of Image).