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Test Method Title

Standard Test Method for Microscopic Evaluation of the Dispersion of Carbon Black in Polyolefin Geosynthetics

Reference Number

ASTM D5596

Material

Geomembrane

Test Property

carbon black dispersion

Description of Test

This test method consists of two parts: microtome specimen preparation and 2 microscopic evaluation. 4.1.1 Microtome Specimen Preparation--A sample is clamped in the sample holder, which can be raised or lowered precisely in increments of approximately 1 um. A rigid knife is slid manually across the sample so that the specimens range in thickness from 8 to 20 um. These thin sections are then evaluated microscopically using a visual comparison between each random field of view. Rf and the carbon dispersion reference chart. Each Rf is classified or rated according to the arrangement of categories on the reference chart.

Preferred Test Sample Size

3' x roll width

Number of Test Specimens

5

Test Specimen Size

thin slice ~ 0.25" long

Keywords

carbon, black, dispersion, cbd

For more information, contact GeoTesting Express:



Atlanta

770.645.6575


Boston

978.635.0424


Chicago

224.676.1371


New York

212.566.6630



info@geotesting.com

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