Knowde Enhanced TDS
Identification & Functionality
- Product Type
- Technologies
- Product Families
Features & Benefits
- Ready-to-Use Product Features
- Features
- Improves topcoat adhesion and impermeability
- Assists in inhibiting corrosion creepage should topcoating become damaged in service
- Gives temporary corrosion protection where sandblasted surfaces cannot be quickly primed.
- Fast drying time
- Can be applied to moist surfaces
- Brush or spray application
Applications & Uses
- Application Method
- Recommended Uses
Endcor 400 Wash Primer is designed as a priming conditioner for ferrous and non-ferrous metals prior to application of selected Endcor coatings.
Note : When used as a conditioner under the Endcor 300 series vinyls, always apply Endcor 350 Primer as a tie-coat between Endcor Wash Primers and the Endcor 300 series topcoats.
- Not Recommended
Do not use under coatings designed for high heat service. Do not use inorganic zinc coatings. Although termed a primer, Endcor 400 is principally a Metal Conditioner and is not a substitute for substantial rust inhibitive primers.
- Surface Preparation
- Steel : For best results, surfaces should be free from oil, grease, dirt, mill scale, rust, corrosion products, oxides, paint, and foreign matter. Abrasive blast surface to commercial grade per Steel Structures painting Council Specification SSPC-SP6, “Commercial Blast Cleaning,” or per NACE specification No. 3. If abrasive blasting cannot be permitted, remove loose mill scale, loose rust, and loose paint per specification SSPC-SP3, “Power Tool Cleaning.”
- New galvanized surfaces: Remove all oil, grease and flux by solvent cleaning per Specification SSPC-SP1, “Solvent Cleaning.”
- Weathered galvanized surfaces: Remove all dirt, oil and grease by solvent cleaning. Remove rust or foreign deposits by wire brushing per specification SSPC-SP2, “Hand Tool Cleaning,” or power tool cleaning per specificationSSPC-SP3, “Power Tool Cleaning.” Endcor 400 Wash Primer may be applied on moist surfaces.
Mixing
- Endcor 400 Wash Primer is a two component product consisting of base material and activator. For Endcor 400 Wash Primer the ratio is 4/5 gallon of base material (Component A) and 1/5 gallon of activator (Component B) which is in the smaller plastic bottle. Pour the activator into the base material and mix thoroughly.
- Prepare only the amount required for one day’s use. For smaller amounts of Endcor400, always mix the components in the ratio 4 parts by volume of base material to 1 part activator.
- Application
Endcor 400 Wash Primer may be applied by brush or conventional spray equipment. Airless spray application is not recommended. For best results, the applied film must be extremely thin--only 1/4 to 1/3 mil (dry)! Coverage is approximately 350 square feet per gallon on rough surfaces, and as high as 700 square feet per gallon on smooth surfaces. NEVER apply more than one coat of Endcor Wash Primer.
Application Equipment
Brush : Apply suggested thinning procedures are identical to those for spray application as described below.
Conventional spray equipment: the specification MIL-C- 15328 B contains no direct reference to thinning procedures. Atomizing is made easier with reductions of 25% by volume of the mixed primer. The spraying datacontained in this bulletin was obtained with this suggested reduction. Attaining a viscosity of 14-15 seconds No. 4 Ford Cup is considered ideal for good spraying practice.
Spray gun DeVilbiss P-MBC or JGA or equal
Air hose I.D. 5/16” *Fluid hose I.D. 3/8” Fluid nozzle FF(.055”) Air cap 765 or 758 Pot pressure 15/20 lbs. Atomizing pressure 60/65 lbs. Needle adjustment Full open Distance from work 10-12” *Smaller hose diameters, or hose lengths greater than 25 feet may require increased pressures.
Clean up
Clean brushes and spray equipment with Endcor 490 Thinner. Denatured alcohol may be substituted for cleaning purposes, but may not be used for thinning.
Properties
- Typical Properties
- Note
*Actual coverage rate will vary depending upon material losses during mixing and application, and upon type and condition of surface to be coated. Allowance must be made for losses when estimating material requirements. See Bulletin 3110 “Calculating Coating Requirement” for additional information.
| Value | Units | Test Method / Conditions | |
| Base to Activator Ratio (by Volume) | 4 : 1 | - | - |
| Weight per Gallon | 7.4 | lbs. | - |
| Solids by Volume | 10.0 | % | - |
| Maximum Temperature resistance | 130.0 | °F | - |
| Theoretical Coverage per gallon | 160 * | mil sq. ft. | - |
| Dry Film Thickness per Coat | 0.25 - 0.33 | mils | - |
| Wet Film Thickness per Coat | 2.5 - 3.3 | mils | - |
| Drying Time | 1/2 | Hour | |
| Flash Point ( T.O.C) | 63.0 | °F | - |
| Pot Life (After Mixing) | 8 | Hours |
Technical Details & Test Data
- Drying Time
Allow 24 hours dry time between coats, or one hour between coats if heat cured at 350-400°F (177-204°C). Allow one hour solvent flash-off period after applications of each coat before heat curing or placing into high temperature service.
Safety & Health
- Precautionary Information
Keep away from heat, sparks and flame. Use only with adequate ventilation. Avoid contact with eyes and skin. Avoid prolonged breathing of vapor or spray mist.In confined spaces, observe safety precautions and follow procedures described in OSHA regulations, Sections 1915.25-Painting, 1915.25-Flammable Liquids, and 1915.82-Respiratory Protection. Provide adequate forced air ventilation. Require workmen to wear U.S. Bureau of Mines-approved air line respirator, and non-sparking footwear. Use only nonsparking tools and equipment. Use only explosion-proof lights and electrical equipment. Make certain all electrical equipment is grounded. Use protective clothing and skin cream.
First Aid : In case of contact with skin, flush with plenty of water. For eyes, immediately flush with plenty of water for 15 minutes and get medical attention. If exposed to high concentration of vapor, remove to fresh air. If swallowed, CALL A PHYSICIAN IMMEDIATELY. DO NOT induce vomiting.
Packaging & Availability
- Shipping Weights
1’s 5’s Endcor 400 7.5 lbs. 38 lbs. Endcor 490 Thinner 6 lbs. 30 lbs.
Storage & Handling
- Shelf Life
- 1 Year (Unmixed components)