International Shipping

We do not offer international shipping to countries within the European Union

We can only ship non-hazardous products to Rest of World

Silica Gel Self Indicating, Orange-Green, 2-5mm

Silica Gel Self Indicating, Orange-Green, 2-5mm
Price: £20.30
Stock Availability:

Compare all Pack Sizes

Stock Availability
On Shelf - Approx. UK delivery date: Wednesday the 17th September 2025*
In bulk stock - ships within 10 - 12 Working Days (Excluding weekends and public holidays)
4 to 6 weeks approx. (Not guaranteed)
UK Shipping

Unfortunately, we are not currently accepting orders for Northern Ireland.

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

* We will always try to ship as early as possible. Delivery could be much quicker than stated but is not guaranteed

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

Payment Methods

We can also accept a bank transfer (UK Only)

Source Chemicals Ltd