The Arizona test dust A1 ultrafine forms the finest standard dusts of ISO 12103-1 and is used for various filter and environmental tests.
The so-called Arizona test dust A1 ultrafine consists of 69 % - 77 % quarz.
Composition
The specified particle size distribution is shown in the following table:
x (µm)
Q3(x) (%)
0.97
3.0 - 5.0
1.38
7.0 - 10.0
2.75
23.0 - 27.0
5.50
65.0 - 69.0
11.0
95.5 - 97.5
22
100.0
Transport and Storage
Partial segregation may occur during transport and storage. It is therefore recommended to homogenize the PTI Arizona Test Dust A1 ultrafine 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 :
PTI Arizona Test Dust A1 ultrafine
Standard:
ISO 12103-1
Title of Standard:
Road vehicles -- Test contaminants for filter evaluation -- Part 1: Arizona test dust
Composition :
Quarz
Material:
Quartz
largest particle size (µm) :
22
Bulk density (g/cm³):
0,50
Substance density (g/cm³) :
2,65
Apperance :
solid
Hardness (Mohs):
7,0
Colour :
brown / beige
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