ASTM E1795-20a

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: E1795 − 20 E1795 − 20a
Standard Specification for
Non-Reinforced Liquid Coating Encapsulation Products for
Leaded Paint in Buildings
This standard is issued under the fixed designation E1795; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This specification covers minimum material performance requirements and laboratory test procedures for non-reinforced
liquid coating encapsulation products (single or multiple-coat systems) for leaded paint in buildings. Performance properties
addressed in this specification are:
1.1.1 Impact resistance,
1.1.2 Adhesion,
1.1.3 Dry abrasion resistance,
1.1.4 Water vapor transmission,
1.1.5 Water and chemical resistance,
1.1.6 Surface burning characteristics,
1.1.7 Volatile organic compound (VOC) content,
1.1.8 Weathering,
1.1.9 Aging,
1.1.10 Scrub resistance,
1.1.11 Mildew resistance,
1.1.12 Paintability/repairability,
1.1.13 Flexibility, and
1.1.14 Tensile properties.
This specification is under the jurisdiction of ASTM Committee D22 on Air Quality and is the direct responsibility of Subcommittee D22.12 on Sampling and Analysis
of Lead for Exposure and Risk Assessment.
Current edition approved Sept. 1, 2020Nov. 1, 2020. Published September 2020December 2020. Originally approved in 1995. Last previous edition approved in 20172020
as E1795 – 17.20. DOI: 10.1520/E1795-20.10.1520/E1795-20A.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
E1795 − 20a
1.2 This specification does not address the selection of an encapsulation product for specific use conditions. Specific use
conditions may require performance values other than those stated in this specification. See Guide E1796.
1.3 This specification does not cover the use of corrosion-inhibiting primers prior to encapsulation products on either industrial
steel structures or on residential coated metal surfaces. Types of Direct-To-Metal (DTM) primers in conjunction with lead paint
encapsulants has not been investigated. Use of primers to yield substrates acceptable to receive an encapsulant, and to inhibit future
corrosion of encapsulated substrates, should be evaluated by trial applications at each specific project.
1.4 This specification applies to any non-reinforced liquid applied product that relies primarily on adhesion for attachment to the
surface. These products are used to encapsulate a leaded paint surface with the intent of reducing human exposure to lead.
1.5 The results of the test methods included in this specification will not necessarily predict field performance.
1.6 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for
information only and are not considered standard.
1.7 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.
1.8 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
2.1 ASTM Standards:
D16 Terminology for Paint, Related Coatings, Materials, and Applications
D522/D522M Test Methods for Mandrel Bend Test of Attached Organic Coatings
D823 Practices for Producing Films of Uniform Thickness of Paint, Coatings and Related Products on Test Panels
D1005 Test Method for Measurement of Dry-Film Thickness of Organic Coatings Using Micrometers
D1193 Specification for Reagent Water
D1212 Test Methods for Measurement of Wet Film Thickness of Organic Coatings
D1308 Test Method for Effect of Household Chemicals on Clear and Pigmented Coating Systems
D1356 Terminology Relating to Sampling and Analysis of Atmospheres
D1475 Test Method for Density of Liquid Coatings, Inks, and Related Products
D1653 Test Methods for Water Vapor Transmission of Organic Coating Films
D2370 Test Method for Tensile Properties of Organic Coatings
D2486 Test Methods for Scrub Resistance of Wall Paints
D2794 Test Method for Resistance of Organic Coatings to the Effects of Rapid Deformation (Impact)
D3273 Test Method for Resistance to Growth of Mold on the Surface of Interior Coatings in an Environmental Chamber
D3274 Test Method for Evaluating Degree of Surface Disfigurement of Paint Films by Fungal or Algal Growth, or Soil and Dirt
Accumulation
D3359 Test Methods for Rating Adhesion by Tape Test
D3891 Practice for Preparation of Glass Panels for Testing Paint, Varnish, Lacquer, and Related Products
D3924 Specification for Standard Environment for Conditioning and Testing Paint, Varnish, Lacquer, and Related Materials
D3925 Practice for Sampling Liquid Paints and Related Pigmented Coatings
D3960 Practice for Determining Volatile Organic Compound (VOC) Content of Paints and Related Coatings
D4060 Test Method for Abrasion Resistance of Organic Coatings by the Taber Abraser
D4214 Test Methods for Evaluating the Degree of Chalking of Exterior Paint Films
D4414 Practice for Measurement of Wet Film Thickness by Notch Gages
D4708 Practice for Preparation of Uniform Free Films of Organic Coatings
D7091 Practice for Nondestructive Measurement of Dry Film Thickness of Nonmagnetic Coatings Applied to Ferrous Metals
and Nonmagnetic, Nonconductive Coatings Applied to Non-Ferrous Metals
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
E1795 − 20a
E84 Test Method for Surface Burning Characteristics of Building Materials
E1605 Terminology Relating to Lead in Buildings
E1796 Guide for Selection and Use of Liquid Coating Encapsulation Products for Leaded Paint in Buildings
E2239 Practice for Record Keeping and Record Preservation for Lead Hazard Activities
G154 Practice for Operating Fluorescent Ultraviolet (UV) Lamp Apparatus for Exposure of Nonmetallic Materials
2.2 Federal Test Methods Standard 141C:
2011 Preparation of Steel Panels
2012 Preparation of Tin Panels
2.3 Federal Test Methods Standard 141D:
3011 Condition in Container
3. Terminology
3.1 Definitions—For definitions of terms used in this specification, refer to Terminologies D16, D1356, and E1605.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 lead inaccessibility, n—the ability of an encapsulation product to resist or inhibit the transport of lead to its surface.
4. Materials
4.1 Materials needed for conduct of tests are listed in the individual requirements.
4.2 Materials needed to conduct activities according to citations given are listed within the cited document.
5. Classification
5.1 Type I: Interior Use Only—Type I defines encapsulation products intended for interior use. These products shall meet the
requirements of this specification except those for weathering and exterior aging (that is, test methods described in 10.911.9 and
10.10.111.10.1 not conducted).
5.2 Type II: Exterior Use Only—Type II defines encapsulation products intended for exterior use. These products shall meet the
requirements of this specification except that for interior aging (that is, test method described in 10.10.211.10.2 not conducted).
5.3 Type III: Either Exterior or Interior Use—Type III defines encapsulation products intended for either interior or exterior use.
These products shall meet all the requirements of this specification.
6. Performance Requirements
6.1 Performance requirements that shall be met for a non-reinforced liquid coating encapsulation product are given in Table 1.
NOTE 1—In addition to those given in Table 1, performance requirements for three other properties are of concern for liquid coating encapsulation
products. These are combustion toxicity, emissions during application and curing, and lead accessibility. However, requirements for these properties
cannot be included in this specification at this time because there are no adequate ASTM or Federal test methods for determining them. Requirements
for two of these properties, combustion toxicity and emissions during application and curing, may be subject to regulations or ordinances promulgated
by authorities having jurisdiction. The user of this specification is advised to determine whether such regulations or ordinances exist. The addition of
requirements for these properties to this specification will be undertaken when suitable test methods are available.
7. Sampling
7.1 A 3.8-L (1-gal) sample is usually sufficient for the recommended tests.
7.2 Prior to sampling, establish the condition of the container since damage to it may cause evaporation, skinning, or other
undesirable effects. Excessive storage time and temperature fluctuations may cause settling or changes in viscosity. Materials
beyond the manufacturer’s stated shelf life shall not be sampled.
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TABLE 1 Performance Requirements for Reinforced Liquid Coating Encapsulation Products
Tested in
Minimum Number
Performance Property Minimum Performance Requirement Accordance
of Tests
with Section
Impact resistance 9 J (80 in·lbf) without cracking to the substrate 10.2 Two panels
Impact resistance 9 J (80 in·lbf) without cracking to the substrate 11.2 Two panels
Adhesion 5A rating 10.3 Two panels each tested at three locations
Adhesion 5A rating 11.3 Two panels each tested at three locations
Dry abrasion resistance Film thickness loss: <20 % 10.4 Two panels
Dry abrasion resistance Film thickness loss: <20 % 11.4 Two panels
A
Water vapor transmission No minimum; report test result 10.5 Three cups
A
Water vapor transmission No minimum; report test result 11.5 Three cups
Water and chemical resistance—spot test After 1 h recovery period, no evidence of 10.6/10.6.1 Two tests for each reagent
blistering,
cracking, or delamination
Water and chemical resistance—spot test After 1 h recovery period, no evidence of 11.6/11.6.1 Two tests for each reagent
blistering,
cracking, or delamination
After 24 h recovery, indistinguishable hardness
of the exposed and unexposed surfaces
Water and chemical resistance—immersion test After 2 h drying period, adhesion rating: 5A 10.6/10.6.2 Two panels each tested at three locations
Water and chemical resistance—immersion test After 2 h drying period, adhesion rating: 5A 11.6/11.6.2 Two panels each tested at three locations
Surface burning characteristics Flame spread index (FSI) <25 10.7 One panel
Smoke development rating <50
Surface burning characteristics Flame spread index (FSI) <25 11.7 One panel
Smoke development rating <50
B
Volatile organic compound (VOC) content No minimum; report test result 10.8 See Practice D3960
B
Volatile organic compound (VOC) content No minimum; report test result 11.8 See Practice D3960
Weathering—exterior end-use products After exposure: 10.9 Chalking and Adhesion:
chalking: 8 rating two panels each tested at
C
adhesion: 5A rating three locations
Flexibility: three panels
flexibility: no cracking or other
Tensile properties: ten specimens
visual defects
tensile properties: <35 % change
from initial value
Weathering—exterior end-use products After exposure: 11.9 Chalking and Adhesion:
chalking: 8 rating two panels each tested at
C
adhesion: 5A rating three locations
Flexibility: three panels
flexibility: no cracking or other
Tensile properties: ten specimens
visual defects
tensile properties: <35 % change
from initial value
Aging—exterior and interior end-use products After minimum 6 h recovery: 10.10.1: for Adhesion: two panels each
adhesion: 5A rating exterior products tested at three locations
flexibility: no cracking or other 10.10.2: for Flexibility: three panels
visual defects interior products Tensile properties: ten specimens
tensile properties: <35 % change
from initial value
Aging—exterior and interior end-use products After minimum 6 h recovery: 11.10.1: for Adhesion: two panels each
adhesion: 5A rating exterior products tested at three locations
flexibility: no cracking or other 11.10.2: for Flexibility: three panels
visual defects interior products Tensile properties: ten specimens
tensile properties: <35 % change
from initial value
Scrub resistance No erosion of the encapsulant to the substrate 10.11 Two panels
after 1200 cycles
Scrub resistance No erosion of the encapsulant to the substrate 11.11 Two panels
after 1200 cycles
Mildew resistance Mildew resistance rating: 8 10.12 Three panels
Mildew resistance Mildew resistance rating: 8 11.12 Three panels
Paintability Adhesion rating: 5A 10.13.1 Two panels each tested at three locations
Paintability Adhesion rating: 5A 11.13.1 Two panels each tested at three locations
Repairability Adhesion rating: 5A 10.13.2 Two panels each tested at three locations
Repairability Adhesion rating: 5A 11.13.2 Two panels each tested at three locations
Flexibility No cracking or other visual defects 10.14 Three panels
Flexibility No cracking or other visual defects 11.14 Three panels
A
Tensile Properties No minimum; report test result 10.15 Ten specimens
A
Tensile Properties No minimum; report test result 11.15 Ten specimens
A
Minimum performance depends on architectural and end use conditions (see 1.2).
B
VOC requirements may be specified in ordinances promulgated by authorities having jurisdiction.
C
The chalking and adhesion tests can be conducted on the same panels provided that chalking is first performed.
7.3 Thickening, settling, and separation are undesirable and objectionable if the coating, after storage, cannot be readily made
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suitable for application with a reasonable amount of stirring. Determine the conditions in the container in accordance with Method
3011 of the Federal Test Method Standard No. 141C.
7.4 Sample the encapsulant in accordance with Practice D3925. Determine the density in accordance with Test Method D1475 and
repeat until two successive readings agree within 90 g (0.2 lb). Samples for testing may then be taken.
7.5 Report the size of the container from which the sample was taken and product identification codes.
8. Number of Tests
8.1 The number of tests that shall be conducted for each performance property is given in Table 1.
9. Retesting
9.1 In cases where encapsulation products fail to pass one or more requirements of this specification, retesting shall be permitted.
Both the original data and the retesting data for each requirement for which retesting was conducted shall be used in determining
whether the requirement is met.
10. Test Specimens
10.1 A non-reinforced liquid coating encapsulation product shall be comprised of all principal components in the system,
including the base and top coats and primer, if specified, for field application. Except for adhesion testing and dry abrasion testing,
where specialty primers may be used for flash rust resistance, primers shall not be used solely for product performance testing in
accordance with this specification.
10.2 Preparation of Test Panels:
10.2.1 The test specimen (substrate) shall be the encapsulant coated test panel.
10.2.2 Prior to product application, the tin-plated steel panels shall be solvent cleaned in accordance with Method 2012 of the
Federal Test Method Standard No. 141C. Supplement the test panel cleaning procedure with an additional cleaning so tha
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