Frequently Asked Questions (FAQ)

What colour are the glass beads?
What are the glass beads made of?
What shape are the glass beads?
What is the density of Soda Lime Glass?
What is the Refractive Index of the glass beads?
What does ‘NIST Traceable’ mean?
What is a Polydisperse standard?
What is a Monodisperse standard?
Why are the beads sold in different weights?
Are the plastic bottles reusable?
Can the plastic bottles be recycled?
Can I take a sub-sample out of a bottle?
Can I re-use material?
My sieves are larger than 200mm diameter,
how much Sieve Calibration Standard should I be using?
Are you accredited to ISO9001
Are you accredited to ISO17025