REFERENCE MATERIAL SAND SNL
PROPERTY OF THE SAND STANDARD SNL
SNL prepare and certify, from natural quartz sand more than 98%, a standard sand according BS UKAS LAB 22.
Reference standard sand SNL is developed for laboratories seeking to establish a relation between their sieves and values checked against COFRAC sieve. Sieves proposed range of 0.065 mm to 4 mm (ASTM and DIN values).
Each bottle is made as standard of 100 grams of certified product, this weight may be passed to 130 gr. It is closed by a cap sealed and crimped type in order not to humidity Packaged in plastic film shockproof, it will be easy to transport by parcel post or in addition with other SNL products.