Kahulugan at paggamit

4.1 Ang leveling ay maaaring makaapekto sa takip at hitsura ng inilapat na mga coating ng arkitektura, and the presence of brush marks and surface irregularities is more pronounced than flat finishes when compared to gloss and semi-gloss finishes. Flat instrumental evaluations by this test method have been shown to correlate with those applied by brushing.

ASTM D4062-16 Standard Test Method para sa Leveling Coatings na may Downdraft

Hakbang 1: Saklaw

1.1 This test method 2 includes laboratory determination of the relative flatness of architectural coatings that can be diluted with white and light toned water and solvents by comparing ridges produced in pull-down films with a range of plastic leveling standards.

1.2 This test method uses shadows produced by oblique lighting, which are not easy to evaluate for untinted, textured and dark coatings. Such coatings can be assessed by comparing them with plastic standards at various angles of reflection. For this reason, ordinary indoor lighting is satisfactory.

1.3 As other factors may affect the tendency of liquid coatings to sag, this test method is not intended to measure sagging.

ASTM D4062-16 Standard Test Method para sa Leveling Coatings na may Downdraft

1.4 Values expressed in SI units shall be considered standard. Ang mga halaga na ibinigay sa mga panaklong ay para sa sanggunian lamang.

1.5 Ang pamantayang ito ay hindi nilayon upang matugunan ang lahat ng mga alalahanin sa kaligtasan (kung meron man) na nauugnay sa paggamit nito. Responsibilidad ng mga gumagamit ng pamantayang ito na magtatag ng angkop na mga kasanayan sa kaligtasan at kalusugan at upang matukoy ang pagiging angkop ng mga paghihigpit sa regulasyon bago gamitin.