Tel +49 201 172-1304
testdust@dmt-group.com
DMT GmbH & Co. KG
Am TÜV 1
45307 Essen (Germany)
Tel +49 201 172-1304
testdust@dmt-group.com
DMT GmbH & Co. KG
Am TÜV 1
45307 Essen (Germany)

Standard test dust

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DMT Quartz Sand up to 850 my

DMT Quartz Sand up to 850 my
  • 32-200081-0180
  • Content: 1 kilogram
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    Standard 60068-2-68 defines test procedures to determine the effects of dust and sand as an air... more

    General description

    Standard 60068-2-68 defines test procedures to determine the effects of dust and sand as an air component on electro technical products. DMT quartz sand < 850 µm is used for the Lc test according to methods Lc1 and Lc2.

    Composition

    The specified particle size distribution is shown in the following table:

    x (µm) Q3(x) (%)
    149.0 4.2 - 5.2
    210.0 15.9 - 17.9
    297.0 43.5 - 46.5
    420.0 74.5 - 83.5
    590.0 93.3 - 98.3
    850.00 94.5 - 100.0

    Transport and Storage

    Partial segregation may occur during transport and storage. It is therefore recommended to homogenize the DMT Quartz Sand up to 850 my before use, which can be achieved by mixing with a laboratory tumbler mixer. Please store in a dry and airtight original container.

    Quality ensurance

    In order to achieve reproducible quality, the raw materials and production are strictly controlled. The following quality controls are carried out:

    Monitoring the particle size distribution of raw materials
    Monitoring the particle size distribution of the end product

    Specification

    Name : DMT Quartz Sand up to 850 my
    Standard: IEC 60068-2-68
    Title of Standard: Environmental testing - Part 2-68: Tests - Test L: Dust and sand
    Composition : Quarz
    Material: Quartz
    smallest particle size (µm) : 100
    largest particle size (µm) : 850
    Substance density (g/cm³) : 2,65
    Apperance : fest
    Hardness (Mohs): 7,0
    Colour : grey/brown
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