Unmodified Standard Silica layers

High purity silica 60, specific surface (BET) ~ 500 m


/g, mean pore size 60 Å, 


specific pore volume 0.75 mL/g, particle size 5–17 µm


Different binder system compared to SIL G results in different separation characteristics


Special feature of the POLYGRAM


 SIL N-HR: higher gypsum content


Available as POLYGRAM


 polyester sheets with fluorescent indicator



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POLYGRAM SIL N-HR UV254, 5x20 cm804022

POLYGRAM sheets SIL N-HR/UV254 size: 5 x 20 cm pack of 50

SIL N-HR UV254 20x20 804023

POLYGRAM Polyester Sheets SIL N-HR/UV254 20x20cm, 0.20mm thickness,Pack 25