Reference sand sieves 2.36 mm UKAS Lab 22 standard
UKAS 22 standard sand
S ABLE FOR SNL CALIBRATION
PROPERTY OF SNL STANDARD SAND
SNL prepares and certifies, from natural siliceous sand over 98%, a standard sand in accordance with BS UKAS LAB 22.
|Tamis determine (COFRAC)||moyenne|
|D+ =2D du plus pres||100%|
|D-=0.5D du plus pres||0%|
SNL standard sand is developed for laboratories seeking to establish a relationship between their sieve and controlled values compared to COFRAC sieves. The sieves offered range from 0.065 mm to 4 mm (ASTM and DIN values).
Each bottle is composed as standard of 100 grams of certified product, this weight can be increased on request to 130 gr. It is closed by a waterproof type cap and crimped so as not to take in moisture. Wrapped in shockproof plastic film, it will be easy to transport by parcel post or in addition to other SNL products.