Type B Silica Gel

Silica Gel

Type B Silica Gel (Medium Pore Silica Gel)

Description

Type B silica gel is a translucent particle supplied in spherical or block form. Main component SiO2·nH2O. Insoluble in water and inorganic acid; soluble in hydrofluoric acid and concentrated caustic soda solution. High mechanical strength and good wear resistance.

Structure & key data: Pore volume 0.50–0.80 ml/g · Pore size 50–80 Å · Specific surface area 450–600 m²/g

Applications

Air humidity regulator
Catalyst and catalyst carrier
Raw material for scented silica gel and pet bedding
Raw material for fine chemical products such as chromatographic silica gel

Technical Specifications

Property	Spherical · Superior	Spherical · First grade	Block · Superior	Block · First grade
Adsorption capacity RH20% (%)	≥ 4	≥ 3	≥ 4	≥ 3
Adsorption capacity RH50% (%)	≥ 11	≥ 10	≥ 11	≥ 10
Adsorption capacity RH90% (%)	≥ 70	≥ 50	≥ 70	≥ 50
Bulk density (g/l)	500–600	500–600	500–600	500–600
Loss on heating (%)	≤ 5	≤ 5	≤ 5	≤ 5
Specific resistance (Ω·cm)	≥ 5000	≥ 3000	≥ 5000	≥ 3000
Particle size (mm)	2–4, 3–5	On agreement	On agreement	On agreement
Qualified size ratio (%)	≥ 90	—	—	—

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Packaging

Composite bag, 15 kg. Other packaging available on request.

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Storage

Store in a dry, ventilated place. Keep sealed against moisture.

Type A Silica Gel

Narrow Pore Silica Gel

Type C Silica Gel

Coarse Pore Silica Gel

Blue Silica Gel

Color-Indicating Silica Gel