의미와 용도
5.1 테스트 방법은 분사된 코팅을 시각적으로 평가하여 테스트 코팅의 적용 범위를 결정합니다..

메모 1 Test method D2805 describes an instrumental method for determining coverage. Apply the film to a uniform thickness (예를 들어. with a scraper), measure the film thickness strictly, and determine the opacity by photometry. Thus the concealment force can be determined with high precision.

5.2 Test method D6762 is not as accurate as test method D2805, but it is widely used because it is closely related to the application characteristics of paints and is simpler in terms of concept and evaluation.

ASTM D6762-2018 “건축용 도료의 자체평가를 통한 도료의 피복력 판단”

단계 1: 범위
1.1 This test method enables quantitative visual determination of the film thickness required for complete coverage. The film thickness is considered to test the coating’s hiding power.

1.2 The method is applicable only to sprayed coatings, but the concept can also be applied to other applications.

1.3 Values expressed in inches to pounds shall be treated as standard values. The values given in brackets are mathematical conversions of SI units for reference only and are not considered as standards.

1.4 This standard is not intended to address all safety issues associated with its use. 적절한 안전을 확립하는 것은 이 표준 사용자의 책임입니다., 건강 및 환경 관행을 확인하고 사용 전 규제 제한의 적용 여부를 결정합니다..

1.5 이 국제 표준은 국제 표준 개발 원칙에 관한 결정에서 확립된 국제적으로 인정된 표준화 원칙을 기반으로 합니다., WTO 무역기술장벽위원회가 발행한 지침 및 권고사항 (TBT).

ASTM D6762-2018 “건축용 도료의 자체평가를 통한 도료의 피복력 판단”

2. 파일을 참조하세요
ASTM 표준

D16 Paints, terms related to coatings, materials and applications

Practice of preparing cold rolled steel plates for testing paints, 바니시, conversion films and related coating products

D1005 Test method for dry film Thickness of organic coatings using a micrometer

D1729 Visual evaluation of diffuse reflection of opaque materials for color and chromatic aberration practice

Method for preparing D1730 coated aluminum and aluminum alloy surfaces

D2805 Test method for Covering power of coatings by reflection

D7091 Nondestructive measurement of dry film thickness for non-magnetic coatings for ferrous metals and for non-magnetic, 철 금속용 비전도성 코팅

E691 Practice of conducting interlaboratory studies to determine the accuracy of test methods