Search results for hardness

2 possible matches for "hardness"

Grouped by chapter, closest matches first.

Chapter 69 - Ceramic products

1 match

6909.12.00Ceramic wares (o/than of porcelain or china) for laboratory, chemical or technical uses, w/hardness equivalent to 9 or more on Mohs scale

Chapter 90 - Optical, photo, medical, and measuring instruments

1 match

9024.90.00Parts and accessories of machines and appliances for testing the hardness, strength, compressibility, or other properties of materials