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High gloss, clear, aliphatic MCU topcoat.
RT-230 is a single component, high gloss, clear MCU topcoat designed to provide excellent UV, abrasion, and weathering resistance. RT-230 is a clear topcoat for any painted surface where maximum weather, gloss, and chemical resistance are required. Particularly, RT-230 may be used as a rejuvenating gloss coat for chalked or weathered surfaces. This coating forms a flexible, high solids film over prepared steel, aluminum, non-ferrous metal, galvanized metal, previously existing coatings, and concrete substrates. - Wide application temperature tolerance
- From 20°F to 160°F
- High surface tolerance with excellent adhesion
- High chemical, UV & abrasion resistance
- Compatible with most coatings
| - No bubbling or blistering at high DFT
- Superior flexibility & no cracking at high DFT
- For atmospheric & splash zone exposure
- VOC compliant (less than 2.8 lbs/gal)
- Over-coatable with no recoat-window
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| Substrates | Types of Applications | | - Carbon Steel
- Galvanized Metal & Aluminum
- Ferrous and Non-Ferrous Metal
- Concrete, Fiberglass, & Wood
- Previously existing coating
| - Industrial Floors
- Tanks (exteriors)
- Refineries
- Water Treatment Facilities
- Marine Facilities
| - Chemical Processing
- Concrete structures
- Metal & Fiberglass Ships
- Pulp Mills
- Power Generation Facilities
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Color:
Finish:
Volume Solids:
VOC: | Clear
Gloss (90°)
55.0% ± 2.0
< 2.8 lb/gal (< 340 g/L) | Number of Coats:
Flash Point:
Application Temp:
Dry Heat Resistance:
Shelf life: | 1 or more
110°F Tag closed cup
20°F - 160°F (-7°C - 71°C)
400°F (204°C) continuous
12 Months (40°F - 100°F) - Store indoors |  @ 13 mils wet - 50% Relative Humidity (RH)
| | 40°F (4°C) | 77°F (25°C) | 95°F (35°C) | 120°F (49°C)
| 160°F (71°C)
| Touch
| 2 hrs
| 1.5 hrs
| 40 minutes
| 20 minutes
| 6 minutes
| | Recoat | 5 hrs | 4 hrs
| 3 hrs
| 1 hr
| 30 minutes
| | Cure | 10 days
| 7 days
| 5 days
| 4 days
| 2 days | - For faster dry times, add R-CAT.
- Dry time is a function of temperature, humidity and coating thickness.
- There is no maximum time limit for recoat on clean surfaces
| Apply to clean, dry, Rivera Coatings recommended primers. Refer to the primer Product Data for additional information. - Aluminum/Galvanized/Non-Ferrous Metals
Prepare surfaces using SSPC-SP1 Solvent Cleaning and SSPC-SP12/NACE No. 5 Low Pressure Water Cleaning methods to remove surface contamination. Supplement weathered galvanized surface preparation with ISO 8501-1 St 2 (SSPC-SP 2 and 3) hand and power tool cleaning to remove excessive corrosion and impart surface profile on bare metal. Spot prime clean bare metal with a Rivera Coatings recommended primer. Supplement new galvanized surface cleaning with mechanical abrasion to impart surface profile and support mechanical adhesion. - Previously Existing Coatings
Prepare surfaces using SSPC-SP12/NACE No. 5 Low Pressure Water Cleaning methods to remove surface contamination. Supplement SSPC-SP 12 LPWC with SSPC-SP1 Solvent Cleaning and ISO 8501 St 2 (SSPC-SP2 and 3) Hand and Power Tool clean areas of corrosion and loose or fl aking paint (feather edges of sound, existing paint back to a firm edge). OR prepare surfaces using SSPC-SP 12/Nace 5.0 High or Ultra High Pressure waterjetting to WJ 4. Spot prime clean, bare metal with a Rivera Coatings recommended primer. Sand glossy surfaces to provide profile. Apply a test sample to a small area to determine coating compatibility.
| Follow general surface preparation and solvent cleaning per SSPC-SP1. Scuff sand to abrade surface. Test adhesion. Self-Priming. Follow general surface preparation and scuff sand to abrade and open surface. Self-Priming For surface preparation, refer to SSPCSP13/NACE 6. Surfaces must be clean, dry, sound and offer sufficient profile to achieve adequate adhesion. Minimum substrate cure is 14 days at 75°F. Remove all form release agents, curing compounds, salts, efflorescence, laitance, and other foreign matter by abrasive blasting, mechanical scarification, or suitable chemical means such as muriatic acid etch, refer to ASTM D4260. Rinse thoroughly to achieve a final pH between 6.0 and 10.0. Allow to dry thoroughly prior to coating. Self-Priming. - Previously Poured Concrete
Surface preparation is done in much the same manner as new concrete; however, if the concrete is contaminated with oils, grease, chemicals, etc., it must be removed by cleaning with a strong detergent. Refer to ASTM D4258. Form release agents, hardeners, etc. must be removed by abrasive blasting, shot blasting, mechanical scarification, or suitable chemical means. If surface deterioration presents an unacceptably rough surface, an application of RS-480 Mastic is recommended to patch and resurface damaged concrete. Fill all cracks, voids and holes with RS-480 Mastic. | The surface to be coated must be dry, clean, dull, and free from dirt, grease, oil, rust, mill scale, salts or any other surface contaminants that interfere with adhesion.
Ensure welds, repair areas, joints, and surface defects exposed by surface preparation are properly cleaned and treated prior to coating application.
Areas of oxidation after surface preparation and prior to coating application, should be prepared to specified standard consult the referenced standards, SSPC-PA1 and your Rivera Coatings Representative for additional information or recommendations. - For guidance in methods of surface preparation and for visual standards, refer to STEEL STRUCTURES PAINTING MANUAL, VOL 2, SYSTEMS AND SPECIFICATIONS, published by Steel Structures Painting Council (SSPC).
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- RT-230 can be applied by brush, roll, airless spray and conventional spray methods (one grade only). Follow proper mixing instructions before applying.
Material temperature must be 5° F (3°C) above the dew point before opening and agitating. Power mix thoroughly prior to application.
Do not keep under constant agitation.
Apply a 3 - 6 oz solvent float over material to prevent moisture intrusion and cover pail.
Brush: Medium Natural Fiber
Roller: Natural or synthetic fiber cover
Nap: 1/4” to 3/8”
Core: Phenolic
Pump Ratio: 30:1
Pressure: 2400 - 3000 psi (170 - 207 Bar)
Hose: 1/4” to 3/8” ID
Tip Size: 0.015 - 0.021
Filter Size: 60 mesh (250 μm) Fluid Nozzle: E Fluid Tip
Air Cap: 704 or 765
Atomizing Pressure: 45 - 75 psi
Fluid Pressure: 15 - 25 psi
Hose: ½” ID; 50’ Max | MEK, MIBK, Xylene, a 50:50 blend of Xylene and MEK
or MIBK. Reduction is typically not required. If necessary, thin up to 10% with recommended thinner. Thin in accordance with local and federal regulatory standards. MEK, MIBK, Xylene, a 50:50 blend of Xylene and MEK or MIBK, or acetone. Do not add unauthorized Rivera Coatings solvents to a Rivera Coatings product.
Temperature: 10° - 160° F (-7° - 71° C)
This temperature range should be achieved for ambient, surface
and material temperature.
Substrate must be visibly dry and free from contaminants.
Relative Humidity: 6% - 99% Store off the ground in a dry, protected area in temperature between 40 - 100°F (4 - 38°C). MCU containers must be kept sealed when not in use. Use a solvent fl oat to reseal partial containers. | 
Packaging:
Weight per Gallon:
Shelf life:
Flash point:
DOT Hazard Class
DOT Packaging Group:
DOT Label:
DOT Shipping name:
UN/NA Number: | 1, 3 and 5 gallon pails
8.2 ± 0.5 lb
12 months from date of shipment when stored under specified conditions
110°F Tag closed cup
3
III
FLAMMABLE LIQUID
UN 1263 Paint
1263 | 
- Consult the MSDS before use.
- Apply Material with adequate air exchange and ventilation.
- All application personnel must use respirators rated for organic vapors, or if in confined spaces, wear fresh air respirators or fresh air hoods.
- Wear protective clothing, gloves and eye protection.
- Breathing fumes or contact with the skin may cause allergic reactions.
- No warranty of current accuracy is hereby given or implied. The statements made herein are based on our research or the others.
- Rivera Coatings assumes no responsibility for coverage, performance or injuries resulting from use or handling. Liability, if any, shall be limited to product replacement.
- In no event shall Rivera Coatings be liable for consequential or incidental damages.
- Published product information is subject to change without notice.
- Contact Rivera Coatings for current product information.
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