Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Vehicle
- Epoxy/Polyamide
- Technologies
- Product Families
Features & Benefits
- Ready-to-Use Product Features
- Features
- Reduces water absorption in fiberglass hulls and prevents osmotic blistering
- Excellent water and chemical resistance
- High film build for maximum protection with fewer coats
- Exceptional protection for steel, aluminum and other metals
- High Performance System for Underwater Running Gear
Applications & Uses
- Markets
- Applications
- Compatible Substrates & Surfaces
- Application Information
Application Method - Brush, Roller or Spray
Number of Coats - min. 2 coats and 3 coats recommended for best results
Thinner - 97 Epoxy Thinner
- Surface Preparation
Coating performance, in general, is proportional to the degree of surface preparation. Follow recommendations carefully, avoiding shortcuts. Inadequate preparation of surfaces will virtually assure inadequate coating performance. Surface must be clean, dry, and free from oil, grease, or wax contaminants to ensure adequate adhesion of Pettit Protect.
- Mixing
Stir or shake contents thoroughly to remix any settled material. Mix 3 parts Part A with 1-part Part B by volume and stir thoroughly. Mix only enough material which can be used well within 5 hours @ 70°F. Higher temperatures will reduce pot life, while cooler temperatures will increase pot life. Let mixed primer stand 15 minutes before use.
- Application Information
Pettit Protect can be easily applied by brush, roller or spray. Use a high-quality bristle brush or 3/8" nap roller made for epoxy paints. Pettit Protect has a pot life of 5 hours at 70°F, only mix enough paint for application in that time frame. Thinning is generally not required, but in adverse weather conditions the product may be thinned up to 10% with Pettit 97 Epoxy Thinner to ease application. Follow the recommended recoat and overcoat dry times carefully. If the maximum re-coat or overcoat times are exceeded, sand with 80 grit sandpaper to insure adhesion of subsequent coats of primer or paint. When sanding, always vacuum or use clean shop air and tack rags to remove sanding residue.
- Previosly Primed Surface
Pettit Protect may be applied over existing two-part epoxy finishes, provided they are in sound condition. Brush-off sandblasting or very heavy sanding with 60 grit sandpaper is required to maintain maximum adhesion. Then apply two to three coats* of Pettit Protect per instructions. All existing two package epoxy finishes in poor condition, as well as one package primers and bottom paints, should be removed completely.
- Bare Fiber Glass (Non-Barrier Coat Method)
No Sand Priming System for New or Unpainted Fiberglass Hulls (Non-Barrier Coat Method) All bare fiberglass, regardless of age, should be thoroughly cleaned and de-waxed. Pettit Protect can be used as an effective one-coat no-sand priming system.
- Thoroughly clean, de-wax, and etch the surface with Pettit 92 Bio-Blue® Hull Surface Prep using a medium Scotch-Brite® pad or 3m Doodlebug®. Thoroughly rinse all residue from the surface and let dry. Ensure entire surface has a dull, frosty finish.
- Apply one coat of Pettit Protect following application and dry times on label. Wet Film Thickness (WFT) should be seven (7) mils per coats, which yields four (4) mils Dry Film Thickness (DFT).
- Apply two coats of Pettit antifouling paint following application and dry times on label. (Make sure the Pettit Protect is still thumbprint tacky for first coat of bottom paint.)
- Bare Fiber Glass (Barrier Coat Method)
- Thoroughly clean and de-wax the surface with Pettit 92 Bio-Blue Hull Surface Prep using a medium ScotchBrite® pad or 3M Doodlebug®. Thoroughly rinse all residue from the surface and let dry.
- Sand the gelcoat thoroughly with 80 grit production sand paper. All surfaces should be a uniform dull, frosty finish. Inadequate sanding of the surface will result in eventual failure of paint adhesion.
- Apply a minimum of 2 coats Pettit Protect following instructions carefully. WFT should be 7 mils per coat, which yields 4 mils DFT. Dry film thickness for 2 coat application will be 8 mils, 3 coat application should be 12 mils minimum DFT.
- Bare Steel
Sandblast to SSPC-SP 6 Commercial blast, blow off residue with clean, compressed air, and immediately apply three coats* of Pettit Protect following application and recoat instructions. Alternatively, hand sand with 80 grit sandpaper or power hand tool clean, then remove residue with clean compressed air or by vacuuming. Immediately apply one coat of Pettit 6980 Rustlok® Steel Primer and let dry to a tack free state (usually 30 minutes to 2 hours, dependent on temperature). Then apply three coats of Pettit Protect following application and re-coat instructions. Do not let Rustlok Primer dry longer than 2 hours under any circumstances before applying Pettit Protect.
- Bare Aluminum
Sandblast (using non-metallic media) or disk sand the aluminum to clean, bright metal. Remove residue and immediately apply two coats of 4400/4401 Aluma-Protect Epoxy Primer. Apply two coats* Pettit Protect following application and re-coat instructions.
- Keels - Lead`
Disk sand or otherwise abrade surface to bright metal; ensure 3-4 mil anchor profile is achieved. Clean off residue. Apply one coat of Pettit Protect thinned 20%. Let dry to re-coat. Then, if fairing is required, apply Pettit 7050 EZ-Fair Epoxy Fairing Compound. Sand smooth with 80 grit sandpaper and follow with two additional coats of Pettit Protect per label directions.
- Keels - Steel or Cast Iron
Disk sand or otherwise abrade surface to bright metal and clean off residue. Apply one coat of 6980 Rustlok Steel Primer, allowing to dry only ½ - 2 hours prior to overcoating, no more, no less! Apply one coat of Pettit Protect. Let dry to re-coat. Then, if fairing is required, apply Pettit 7050 EZ-Fair Epoxy Fairing Compound. Sand smooth and follow with two additional coats of Pettit Protect per label directions.
- Spray Application Information
Pettit Protect can be easily applied by spray. Mix part A with part B in the appropriate ratio. Allow to induct for 10-15 mins. Add up to 10% Pettit Epoxy Thinner # 97.
- Pressure Pot System - Pot Setup
Pressure pot gage should be set 15-25 PSI. A test stream should be performed with no air pressure to achieve 16-20 oz. product/per minute or 2-3 ft. stream.
- Gun Setup
- Conventional Gun Setup
- Binks or equivalent
- Gun Pressure: 40 - 55 PSI
- Fluid Needle/ Nozzle: 1.6 - 2.0 mm (.065" - .80")
- HVLP Gun Setup
- SataJet 1000B HVLP or equivalent
- Gun Pressure: 25 - 32 PSI
- Fluid Needle/ Nozzle: 1.8 - 2.2 mm (.072" - .090")
- Not recommended to be sprayed by conventional gravity feed cup gun
- AIRLESS GUN SETUP
- Binks or equivalent
- 40 - 1 Pump: 50 - 60 PSI pump gage pressure
- 25 - 1 Pump: 70 - 80 PSI pump gage pressure
- Orifice Size: .015" - .024"
- If using airless/ air assisted equipment, introduce 20 - 40 PSI of air to allow for uniform pattern and particle size
- Conventional Gun Setup
Properties
- Color
- Component A
- Typical Properties
- Component B
| Value | Units | Test Method / Conditions | |
| VOC | 337.0 | g/l | - |
| Value | Units | Test Method / Conditions | |
| Finish | Low Luster | - | - |
| Mix ratio (A/B, by Volume) | 3:1 | - | - |
| Curing Mechanism | Chemical Cure | - | - |
| Induction (70°F) | 15.0 | min | - |
| Solid by Weight | 69 - 73 | % | - |
| Solid by Volume | 54 - 58 | % | - |
| Coverage | 225.0 | ft²/gal | - |
| VOC | 340.0 | g/l | - |
| Wet Film Thickness | 7.1 | mils | - |
| Dry Film Thickness | 4.0 | mils | - |
| Application Temperature (Air & Substrate) | min. 50 | °F | - |
| Application Temperature (Air & Substrate) | max. 90 | °F | - |
| Dry Time (Recoat, 90°F) | min. 2 | h | - |
| Dry Time (Recoat, 90°F) | max. 60 | days | - |
| Dry Time (Recoat, 70°F) | min. 3 | h | - |
| Dry Time (Recoat, 70°F) | max. 60 | days | - |
| Dry Time (Recoat, 50°F) | min. 6 | h | - |
| Dry Time (Recoat, 50°F) | max. 60 | days | - |
| Dry Time (To Bottom Paint, 90°F) | 3 - 6 | h | - |
| Dry Time (To Bottom Paint, 50°F) | 7 - 10 | h | - |
| Dry Time (To Bottom Paint, 70°F) | 5 - 8 | h | - |
| Value | Units | Test Method / Conditions | |
| VOC | 347.0 | g/l | - |
Storage & Handling
- Pot Life
- 2.5 hours (90°F), 5 hours (70°F), 10 hours (50°F)