Designation: D – 07Standard Guide for Painting Inspectors (Metal Substrates)1 This. Buy ASTM D GUIDE FOR PAINTING INSPECTORS (METAL SUBSTRATES) from SAI Global. ASTM D – Designation: D – 00 Standard Guide for Painting Inspectors (Metal Substrates.
This guide may d2376 used by specification writers when selecting and establishing the inspection requirements for coating and lining specifications. This section describes some commonly accepted procedures when thinning is permitted. This standard does not purport to address all of the safety concerns, if any, associated with its use.
Surface cleaning power tools consist of non-woven abrasive wheels and discs, coated abrasive discs or sanding pads, coated abrasive? The bottom of the original container should be inspected for the unmixed pigment. It should be noted, however, that heating of the coating alone will not compensate for ambient or surface temperatures, or both, if they are below the minimum speci?
D326 of salt such as chlorides and sulfates should be removed, or longterm coating performance will be seriously affected. If it is felt that the skins are thick enough to have a practical effect on the composition, the remaining paint should not be used until it has been tested and found to be satisfactory.
High-pressure water blasting is often used to remove these contaminants. ASTM D e1. Bleed-through, insufficient hiding, skips, and misses are not acceptable. Practice D presents the procedure for evaluating adhesion of maintenance coatings. Surface preparation is one of the most important factors affecting the performance of paint. With this information the calculation may be made as follows: If the defects are general, rather than existing in a few isolated areas, use of a different type of coating may be necessary.
The inspector should prohibit the use of any brush not in an acceptable condition. Insofar as practicable, the steel should be stored to avoid the formation of waterholding pockets. The calibration should be made on metal of the same kind, temper, thickness, and contour as that beneath the coating. The inspector of maintenance repainting should be alert for several conditions not encountered in the painting of new work. C Pictorial Standard Sa 2 shows mill scale and con?
Preparation for Inspection 4. The steel should remain under cover until the applied coating is dry or until weather conditions permit its exposure in the open. Type and size abrasive 2. Material is considered tightly adherent if it cannot be lifted with a dull putty knife. Therefore their use is generally restricted to rougher surfaces such as the substrate and faster drying coatings.
Attached to the cup is a looped handle with a small opening at the top to align the cup in a vertical position when withdrawing it from the liquid being tested. SSPC issues detailed surface preparation speci?
If painting is done outside, the cleaned areas should receive the? Current edition approved June 10, However, compliance with the speci? Note 1 – For additional helpful information, refer to the following documents: With nondestructive measuring instruments a m ft long and 1.
It includes the key elements of surface preparation, coatings application, and? Precautions in Preparing Unpainted and Previously. All runs, sags, or curtains should be brushed out immediately or sanded out if the coating has cured. Replica tape asgm surface pro?
ASTM D – 15e1 Standard Guide for Painting Inspectors (Metal Substrates)
Special attention should be placed on examining hard to reach areas, the back side of nuts and bolts, sides of members in close proximity to other members or walls, and undersides of members. Qstm number in parentheses indicates the year of last reapproval.
Maintenance of record book containing all transacations between the inspector and the contractor is essential to eliminate contract disputes. Comparison of Water Jetting Standards. Recycled abrasive test 4. Pressurized water alone will not remove mill scale efficiently, or impart an anchor pro?
Too high a storage temperature reduces the shelf life of the coating. Flat surfacetemperature thermometers are also available for measuring the substrate temperature. The strainers should be of a type to remove only skins, etc. It also requires a minimum of 1-mil anchor pro? Most obvious is noncompliance with r3276 speci? Any coating that shows curling, lifting, or wrinkling should be reported to the engineer immediately since it may have to be removed and the area repainted.
They make the painter aware that his work can be checked during progress and even after aastm.
See Guide D for establishing procedures to certify inspectors for coatings work in nuclear facilities.
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