We do not offer international shipping to countries within the European Union
We can only ship non-hazardous products to Rest of World
Compare all Pack Sizes
We can only ship to Northern Ireland where a Royal Mail postal option has been chosen at checkout.
We can only ship to the following postcodes where a Royal Mail postal option has been chosen at checkout.
AB, DD, DG3, DG4, DG6 - DG9, EH, FK, G, HS, IM, IV, KA, KW, KY, ML, PA, PH, PO30 - PO41, TD, TR21 - TR25, ZE
Moisture content at 145°C 3% maximum
Equilibrium capacity for water vapour at
25°C and given relative humidity (r.h.)
10% r.h. > 8% w/w (weight for weight)
20% r.h. > 12% w/w
50% r.h. > 23% w/w
80% r.h. > 30% w/w
BET surface area 600 - 800 m2/g
Pore volume 0.35 – 0.45 ml/g
Average pore diameter 20 – 30 A
pH (10% aqueous solution) Not less than 1.8-2.2
Bulk density 700 - 800 g/l
Colour change
Dark Orange 10% w/w absorption
Olive Green 15% w/w absorption
Dark Green 20% w/w adsorption
Bead Size
Less than 2 mm 5% maximum
Greater then 5 mm 5% maximum
We can also accept a bank transfer (UK Only)