Product Sheet
General Description:
Curran 1500 is an advanced two-part (100% solids) epoxy coating designed specifically for high temperature immersion service in water and process streams (up to 365°F, 185°C). This coating is an organic/inorganic hybrid that exhibits state of the art coating technology with exponential improvements in performance versus existing polymer technology. Ideally suited for Heat Transfer equipment and components.
- Channels
- Covers
- Floating heads
- Process vessels/tanks • Piping
- Water boxes
Benefits
- Outstanding immersion protection in water and hydrocarbons.
- Excellent Cold Wall resistance
- Atlas cell test: 6+ months deionized water at 210°F (98°C)
- Pressurized Atlas Cell Test: 60 days deionized water at 365°F (185°C).
- Can be a single coat application
- Excellent foul release.
- High abrasion resistance
- Coating surface remains slippery even at high temperatures.
- High Gloss finish
- Zero VOC’S (100% Solids)
- Cures at room temperature
Coating Properties:
Base: Dark Grey; Paste Hardener: Gold; Liquid Packaging: 1 kg kit (2.43 lbs) (additional sizes may be requested) Volume solids: 100%
Flash Point > 200°F (93°C)
Properties:
The following tests were performed on samples after full cure, 120 hours @ 70°F(21°C).
Abrasion Resistance:
ASTM D 4060-10 Tabor CS-17 wheel 1000 cycles
46 mg loss
Atlas Cell Exposure (cold wall):
ASTM C 868
- 6+ months deionized water at 210°F (98°C)
- Pressurized Atlas cell test: 60 days deionized water at 365°F (185°C).
Cathodic Disbondment:
ASTM G 8-96 (10) Zero disbondment at 212°F(100°C) for 30 days.
Chemical resistant:
Contact Curran for specific chemicals/temperatures/concentrations.
Recommended for:
Steam, hydrocarbons, acids and caustics
Hardness Barcol:
(ASTM D 2583) 50
Pull off Adhesion:
ASTM D 4541 >3,600 p.s.i. (dolly glue failure).
Temperature resistance:
365 F (185°C) to -40°F(-40°C) continuous immersion. Tested up to 400°F (200°C) steam for 30 days. Contact Curran on particular service conditions.
Theoretical Coverage:
- A 1 kg kit will cover 5 square feet (.46 square meters) at 40 mils (1016 microns).
- Allow a wastage factor based on application method
Surface Preparation:
- All surfaces should be clean, dry, and oil free prior to the start of surface preparation.
- Chlorides shall be less than 10 ppm
- Minimum surface cleanliness: SSPC- SP 10 “Near white”
- The surface profile must be 3.0 Mil (75 microns) minimum.
- Coating should be applied immediately after surface preparation
Environmental Conditions:
Apply when substrate temperature is between 60°F(15°C) and 100°F(37°C). Substrate must be 5°F(3°C) above dew point.
Mix Ratios:
- Mixing Ratio by weight
(Base : Hardener) 100 grams to 21.14 grams
Mixing:
- Add the entire contents of the hardener to the base. These portions are accurately measured and best product performance will be obtained if all the hardener and base are combined.
- Mix thoroughly with a stiff mixing stick, or small power type mixer until a uniform streak free mix has been observed and then for an additional 1 minute.
- Once mixed thoroughly, box material by transferring the entire contents into a clean mixing bucket taking care to ensure that all the material has been scraped from the sides and bottom of the original container.
- Continue mixing until a uniform streak free mix has been observed and then for an additional minute.
- To help with pot life, material shall be broken down into smaller portions once fully mixed.
Application:
Below are general guidelines for applying Curran 1500. Contact Curran International for detailed application procedures if needed.
Coating Application: Trowel or Stiff Brush:
- Curran 1500 coating material can be applied up to 40 mils (1016 microns) in a single coat.
- Material can be applied by trowel or stiff bristle brush.
- When troweling the material, care shall be taken around welds and edges. These areas can be smoothed out or built up utilizing a stiff bristle brush by back dragging the coated surface. Trowel marks can also be removed by back dragging with a stiff bristle brush wetted with water or solvent.
Recommended Dry Film Thickness:
- 32 – 50 Mils (812-1270 microns) final DFT
- May apply multiple coats for additional thickness
Application of additional coat:
- The Curran 1500 has a tendency to “amine blush”.
- In the event an additional coat is needed, the previous coat shall be left to cure to touch, and washed thoroughly with isopropyl alcohol, denatured alcohol, or MEK to remove the amine blush.
- Once washed and dried, the surface shall be brush blasted to impart a surface profile (remove gloss) within the previous coat. This should be performed utilizing reduced air pressure in order to keep from removing or damaging the existing coat.
- Surface shall be blown down with clean dry compressed air, and or vacuumed to ensure no residual dust has been left on the surface prior to recoating.
Holiday Inspection:
Coating can be holiday tested utilizing a 67.5v or 90v DC Low Voltage Holiday Tester.
Repairs:
Should the coating be mechanically damaged or a holiday is detected take the following steps to perform a repair.
1) Wash area with isopropyl alcohol, denatured alcohol, or MEK (amine blush may be present)
2) Large repair areas may be abraded by brush blasting, or utilizing mechanical tools (Bristle Blaster). If brush blasting, ensure the surrounding areas are protected from being abraded.
3) Smaller areas can be hand sanded utilizing 50-80 grit sandpaper to remove the gloss from the coating.
4) Apply coating to the prepared area and feather into the surrounding edge. Coating shall not exceed the previously prepared area.
5) Allow to dry and QC
Working Times:
Times will vary depending on temperature. At 70°F (21°C) the usable life of mixed material is 30 min.
Machining:
Diamond tipped tooling is recommended to machine down by turning but can be ground as an alternative. Should be done as soon as possible by the times indicated. (see below)
Storage/Shelf Life:
Store in temperatures between 50°F (10°C) and 90°F (32°C). Separate base and hardener will have a shelf life for 2 years when in the original, unopened container that is not damaged and stored at the above temperature ranges.
Health and Safety:
Prior to using this product please review the appropriate Safety Data Sheet (SDS).
Cure Time:
| 60F/16C | 70F/21C | 90F/32C | |
| Tack Free | 10 Hrs | 8 Hrs | 4 Hrs |
| Light Load / Machining | 20 Hrs | 16 Hrs | 8 Hrs |
| Full Load | 40 Hrs | 32 Hrs | 24 Hrs |
| Full Chem | 240 Hrs | 180 Hrs | 48 Hrs |
Note: Full cure should be confirmed with a MEK rub before exposing coating to chemical service.
Recommended Force Cure Schedule:
| 180F (82C) | 4 Hrs |
| 120F (49C) | 8 Hrs |
Note: Force cure shall not begin until material has become tack free.
The information in this data sheet is based on laboratory tests we believe to be accurate, and is intended for guidance only. All recommendations or suggestions relating to the use of this product, whether in technical documentation, or in response to a specific enquiry, or otherwise, are based on data which to the best of our knowledge are reliable. Because the only true reliable test is one that is in actual operation, Curran International will make available at no charge, samples of the material for testing purposes. Curran International has no control over either the quality or the condition of the substrate, or the many factors affecting the use and application of the material. Curran International does therefore not accept any liability arising from loss, injury or damage resulting from such use or the contents of this data sheet (unless there are written agreements stating otherwise). The data contained herein are liable to modification as a result of practical experience and continuous development. This data sheet replaces and annuls all previous issues and it is therefore the user’s responsibility to ensure that this data sheet is current prior to using the product.