Standard test dust
In accordance with the American standard ASTM F 608, DMT test dirt A1.1 is used to evaluate the dust absorption of neck stop and industrial vacuum cleaners on carpets. The test dirt A1.1 forms a mixture of 90 % DMT quartz sand A1.2 and 10 % DMT talc test dust A1.3.
The test dirt A1.1 forms a mixture of 90 % DMT quartz sand A1.2 and 10 % DMT talc test dust A1.3.
Transport and Storage
Partial segregation may occur during transport and storage. It is therefore recommended to homogenize the DMT Test Dirt | A1.1 before use, which can be achieved by mixing with a laboratory tumbler mixer. Please store in a dry and airtight original container.
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
|Name :||DMT Test Dirt | A1.1|
|Standard:||ASTM F 608|
|Title of Standard:||Standard Test Method for Evaluation of Carpet Embedded Dirt Removal Effectiveness of Household/Commercial Vacuum Cleaners|
|Composition :||Quartz-hydrated magnesium silicate-mixture|
|largest particle size (µm) :||600|