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ASTM D6940
Sifting Segregation Tester
A controlled laboratory method for evaluating sifting or percolation segregation caused by particle-size differences. Samples collected through discharge determine a Sifting Segregation Index and reveal composition changes from top to bottom.
What it measures
01
Sifting Segregation Index
02
Top-to-bottom sample variation
Product configuration
Key features
- ✓Dual-hopper arrangement
- ✓Controlled discharge
- ✓Multiple sampling ports
- ✓Repeatable test method
Practical value
Benefits
- →Predicts blend inconsistency risk
- →Supports homogeneity improvements
- →Standardized and repeatable
- →Suitable for routine checks
Typical applications
Where the measurement supports decisions.
01
Pharma, food and agrochemical blends
02
Tableting, capsule filling and packaging
03
Vertical transfer optimization
04
Battery, pigment and mineral powders
05
Storage and bulk-transport design
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