Length Weighted Geometric Mean Diameter (LWGMD) analysis

Determination of Length Weighted Geometric Mean Diameter (LWGMD) using an SEM-based method adapted from EU Commission Regulation (EC) No 761/2009.

The price includes the pressing of the sample at 10 MPa.

A test report including LWGMD-2SE value and a histogram of diameter distribution as well as SEM images are provided.

Suitable sample matrices
Mineral fibers
Required sample quantity
5 g
Typical turnaround time
3 weeks after receiving the samples
Available quality systems
Measurlabs validated method
Device types


First sample (Excl. VAT):
2,548 €
Additional samples (Excl. VAT):
1,739 €per sample

Questions? We're happy to help.

Questions? We're happy to help.

Ringing phone

Ask for an offer

Fill in the form, and we'll reply in one business day.

Answering the following questions helps us prepare an offer for you faster:

  • How many samples do you have and what is the sample material?
  • Do you have a recurring need for these tests? If yes, how often and for how many samples at a time?

Have questions or need help? Email us at or call +358 50 336 6128.