Introduction

WS Type Silica Alumina Gel is a water-resistant silica-alumina adsorbent made from silica gel combined with alumina (Al2O3).This material is widely used in industrial dehydration, gas drying, separation processes, and other applications where moisture control and adsorption are critical.

Parameters and Specifications

Type		Silica Gel WS
Chemical Formula		MSiO₂ . nAl₂O₃ . xH₂O
Appearance		White Bead
Diameter(mm)		1-3, 2-4, 2-5, 3-5
SiO₂(%)		82-88
Al₂O₃(%)		12-18
Adsorption Capacity(%wt)	25℃, RH10%	≥4.0
	25℃, RH20%	≥7.0
	25℃, RH40%	≥15.0
	25℃, RH60%	≥25.0
	25℃, RH80%	≥35.0
Bulk Density(g/ml)		0.65
Crush Strength(N)		≥100
Surface Area(m²/g)		450-550
Pore Volume(cm³/g)		0.4-0.6
Wear Ratio(%)		≤0.1
Water Content(%)		≤3.0

Features

Water-resistant adsorbent: Maintains performance even with liquid water presence

Good mechanical strength and wear resistance: Durable for industrial use

Compatible as protective layer: Enhances performance of fine-pored silica gel, activated alumina, molecular sieves, etc.

Reusable: Can be regenerated by heating to restore adsorption efficiency

Our Services

High-quality WS Type Silica Alumina Gel: Stable composition and performance

Technical documentation: TDS/MSDS and performance data provided

Reliable delivery and packaging: Flexible options from small bags to jumbo sacks

Professional support: Application advice and after-sales technical assistance

FAQ

Q: What does WS stand for?

A: WS indicates "Waterresistant," meaning this type of silica alumina gel can handle moisture and liquid water without rapid breakdown.

Q: How is WS Type Silica Alumina Gel different from regular silica gel?

A: It contains alumina, which improves resistance to liquid water and enhances adsorption performance in high humidity environments.

Q: Can WS Type Silica Alumina Gel be used alone?

A: Yes - when free water content is high, it can be used alone to achieve a relatively low gas dew point.

Q: Can it be regenerated?

A: Yes, like other adsorbents, it can be regenerated by heating to drive off adsorbed moisture.

Q: Where is it typically used?

A: It is mainly used for gas drying (compressed air, natural gas), industrial gas separation, and as a protective layer for other adsorbents and catalysts.

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