Aktualności

ASTM D 2792-2022 “Solvent and Fuel Resistance of Road Sign Paints”

Znaczenie i cel 4.1 Traffic coatings need to have good resistance to oil and fuel dripping on highways. The test method describes the procedures required to evaluate the resistance of a traffic paint to a reference test fluid to simulate such actions. Zakres 1.1 This specification describes a laboratory procedure for determining...

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ASTM D 713-1990 Road Use Test for Liquid Road Sign Materials

Znaczenie i cel 3.1 This procedure is an accelerated evaluation of bead retention, inverse reflectance, daytime color, nighttime color and wear characteristics of fluid traffic marking materials. It is used to determine the service life of such markers in the field. The same procedure is applied to evaluate longitudinal lines to...

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ASTM D 2743-2010 Determination of Uniformity of Solid Paints for Road Sign Paints by Spectrophotometry and Gas Chromatography

Meaning and Purpose All the methods provided involve a comparison between the spectra or chromatograms of the control and test samples to determine if they show significant differences. Quantitative limits cannot be established to guide whether spectral or chromatographic differences are truly significant. Of course, it is important to test for...

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ASTM D 2205-2020 Selection of Road Sign Paint Tests

Overview This guide covers the selection and use of procedures for testing traffic paints both in the laboratory and in the field. This guide covers the testing of a premixed coating product of a spray-able consistency, which should be suitable for use as a reflective traffic guide on paved roads. The...

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ASTM D6677-2018 Ocena adhezji metodą ostrza

Znaczenie i cel 1 Aby farba funkcjonuje zadowalająco, musi przestrzegać podłoża, na którym jest stosowany. Stwierdzono, że tę metodę testową można zastosować jako prostą metodę oceny przyczepności powłok. Chociaż ta metoda jest jakościowa (subiektywny) test,...

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ASTM D 6944-2020 Thermal Cycling Resistance of Cured Coatings

Znaczenie i cel 4.1 The purpose of this test is to obtain information about the ability of the coating system to adhere to the substrate under thermal stress. It is assumed that the coating system tested is coated and cured according to the coating manufacturer's instructions. ASTM D 6944-2020 Thermal Cycling Resistance...

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