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ASTM D6237-19

Standard Guide for Painting Inspectors (Concrete and Masonry Substrates)

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NORMA vydána dne 1.9.2019

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Informace o normě:

Označení normy: ASTM D6237-19
Poznámka: NEPLATNÁ
Datum vydání normy: 1.9.2019
Kód zboží: NS-969983
Počet stran: 12
Přibližná hmotnost: 36 g (0.08 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Kategorie - podobné normy:

Technologie nátěrů
Stěny. Příčky. Fasády

Anotace textu normy ASTM D6237-19 :

Keywords:

abrasive blasting, acid treatment (concrete), adhesion, chemical cleaning, coatings, concrete, detergents, inspection, laitance, masonry, moisture,, ICS Number Code 87.020 (Paint coating processes),91.060.10 (Walls. Partitions. Facades)

Doplňující informace

Significance and Use

3.1 This guide is intended as a reference for those concerned with the inspection of thin- or thick-film coating application to concrete and masonry substrates. It does not cover the application of cement-type coatings. The requirements for inspection should be addressed in all protective coating and lining work specifications. This guide may be used by specification writers when selecting and establishing the inspection requirements for coating and lining specifications. A sample checklist for use by inspectors is included as Appendix X1.1.

1. Scope

1.1 This guide is intended as an information aid to painting inspectors in carrying out the task efficiently. It includes the key elements of surface preparation, coatings application, and final approval for both field and shop work. The items should be selected that are pertinent to a specific project.

Note 1: For additional helpful information, refer to the following documents:

Manual of Concrete Practice ACI 515R American Concrete Institute2

Manual of Coating Work for Light Water Nuclear Power Plant Primary Containment and Other Safety Related Facilities1.2 Certain industries or owners may require certified inspection personnel. See Guide D4537 for establishing procedures to certify inspectors for coating work in nuclear facilities. SSPC offers a training and certification program for concrete coating inspection.1.3 In certain cases the inspector may be required to assess the condition of the concrete substrate. SSPC has published an illustrated guide for performing a concrete condition assessment.1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.6 This guide is arranged in the following order:

Section

Referenced Documents

ASTM Standards

2.1

OSHA Standards

2.2

ICRI Standards

2.3

SSPC Standards

2.4

Significance and Use

Preparation for Inspection

Surface Preparation Methods and Requirements

Surface Preparation

5.1

Factors Affecting Coating Performance

5.2

Surface Condition

5.2.1

Cleanliness

5.2.2

Moisture

5.2.3

Surface Preparation Procedures

5.3

Dry Surface Cleaning

5.3.1

Water and Steam Cleaning

5.3.2

Mechanical Tool Cleaning

5.3.3

Hand Tool Cleaning

5.3.3.1

Power Tool Cleaning

5.3.3.2

Scarifying Machines

5.3.3.3

Pre- and Post-Surface Preparation

5.3.3.4

Finished Surface

5.3.3.5

Blast Cleaning

5.3.4

Water Blast Cleaning

5.3.5

Acid Etching

5.3.6

Precautions in Preparing Unpainted and

Previously Painted Surfaces

5.4

Inspection of Surfaces Prior to Field Painting

5.5

New Construction

5.5.1

Maintenance Repainting

5.5.2

Cracks and Voids

Cracks

6.1

Cracks in Concrete

6.1.1

Joints in Concrete

6.1.2

Voids

6.2

Recoat Intervals

6.3

Coating Storage and Handling

Storage of Coating and Thinner

7.1

Mixing of Coatings

7.2

Thinning

7.3

Thinning of Coating

7.3.1

Heating of Coating

7.4

Ambient Condition Considerations

Drying

8.1

Low Temperature

8.2

High Temperature

8.3

Moisture

8.4

Wind

8.5

Coating Application

Residual Contaminants

9.1

Quality Assurance

9.2

Film Defects

9.2.1

Brush Application

9.3

Spray Application

9.4

Roller Application

9.5

Miscellaneous Methods

9.6

Rate of Application

9.7

Additional Considerations

Ventilation

10.1

Painting Schedule

10.2

Film Integrity

10.3

Recoat Time

10.4

Coating System Failure

10.5

Inspection Equipment

General

11.1

Adhesion of Existing Coating

11.1.1

Portable Pull-Off Adhesion

11.1.2

Field Inspection Equipment

11.2

Drying and Curing Times

11.2.1

Thermometers

11.2.1.1

Psychrometric Charts

11.2.1.2

Wet-Film Thickness Gages

11.2.2

Interchemical Gage

11.2.2.1

Notched Gage

11.2.2.2

Dry-Film Thickness Gages

11.2.3

Destructive Thickness Gage

11.2.3.1

Nondestructive Film Thickness Gages

11.2.3.2

Discontinuity (Holiday) Tester

11.3

Inspection Checklist

Appendix X1

1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

2. Referenced Documents

C811-98	Standard Practice for Surface Preparation of Concrete for Application of Chemical-Resistant Resin Monolithic Surfacings
D1212-91(2020)	Standard Test Methods for Measurement of Wet Film Thickness of Organic Coatings
D1475-13(2020)	Standard Test Method for Density of Liquid Coatings, Inks, and Related Products
D3359-23	Standard Test Methods for Rating Adhesion by Tape Test
D4138-07a(2022)	Standard Practices for Measurement of Dry Film Thickness of Protective Coating Systems by Destructive, Cross-Sectioning Means (Includes all amendments and changes 7/1/2022).
D4212-16(2023)	Standard Test Method for Viscosity by Dip-Type Viscosity Cups
D4258-23	Standard Practice for Surface Cleaning Concrete for Coating
D4259-18	Standard Practice for Preparation of Concrete by Abrasion Prior to Coating Application
D4260-23	Standard Practice for Liquid and Gelled Acid Etching of Concrete
D7234-22	Standard Test Method for Pull-Off Strength of Coatings on Concrete Using Portable Pull-Off Adhesion Testers
E1907-06	Standard Guide to Methods of Evaluating Moisture Conditions of Concrete Floors to Receive Resilient Floor Coverings
F1869-23	Standard Test Method for Measuring Moisture Vapor Emission Rate of Concrete Subfloor Using Anhydrous Calcium Chloride
F2170-19a	Standard Test Method for Determining Relative Humidity in Concrete Floor Slabs Using in situ Probes (Includes all amendments and changes 1/9/2020).
Guideline No. 03732	Selecting and Specifying Concrete Surface Preparation for Sealers, Coatings, and Polymer Overlays Available from International Concrete Repair Institute, 3166 S. River Rd., Suite 132, Des Plaines, IL 60018, http://www.icri.org.
D4262-05(2018)	Standard Test Method for pH of Chemically Cleaned or Etched Concrete Surfaces
D4263-83(2018)	Standard Test Method for Indicating Moisture in Concrete by the Plastic Sheet Method
D4285-83(2018)	Standard Test Method for Indicating Oil or Water in Compressed Air
D4414-95(2020)	Standard Practice for Measurement of Wet Film Thickness by Notch Gages
D4787-13(2018)	Standard Practice for Continuity Verification of Liquid or Sheet Linings Applied to Concrete Substrates
D5064-16a(2021)	Standard Practice for Conducting a Patch Test to Assess Coating Compatibility (Includes all amendments and changes 6/29/2021).
D6132-13(2022)	Standard Test Method for Nondestructive Measurement of Dry Film Thickness of Applied Organic Coatings Using an Ultrasonic Coating Thickness Gage
D6677-18(2022)	Standard Test Method for Evaluating Adhesion by Knife

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