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Narrow Pore Silica Gel (Type A)

Narrow pored silica gel is also called Type A silica gel. It includes narrow pored granular silica gel and narrow pored spherical silica gel.

Narrow pored silica gel is transparent or glass-like in appearance. Average pore diameter is 2.0-3.0nm. Specific surface area is 650-800 m2/g. Pore Volume is 0.35-0.45ml/g. Specific heat is 0.92KJ/kg•°c , and the thermal conductivity is 0.63KJ/m•hr•°c.

Application
Narrow pored silica gel is mainly used for drying and moisture proof, may also be used as catalyst carriers, adsorbents, separators and variable-pressure adsorbents, etc. It is widely used to protect instruments, weaponry, electronic equipment, medicine, foodstuff, textile products and other packed material from moisture. It can prevent items from moisture, mildewing and rusting. Because of its high packing density and effective moisture absorption under low humidity, it is used for the purification of air. Also it is often used in ocean shipment to keep goods from the damage caused by excessive humidity.

Properties

Item		Value
Adsorption Capacity	RH=20% ≥%	11.5
	RH=50% ≥%	28
	RH=90% ≥%	36.0
Qualified size ratio, % ≥		99.9
PH Value		4-8
Specific Resistance, Ω. cm ≥		4800
Silicon Dioxide Content, % ≥		99
Bulk Density, g/l		750-780
Loss on Heating, % ≤		1.5

Size
0.5-1.5mm, 1-3mm, 2-4mm, 3-5mm, 4-8mm

Packaging specification
20kg, 25kg, 500kg

Note
The packaging and size of Sinchem narrow pored silica gel is customizable.

Material
The main ingredient is silicon dioxide.

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Sinchem is a professional manufacturer of narrow pored silica gel in China. We supply various products such as silica sand, orange silica gel, delustrant and so on. Our products feature high quality and competitive price. We produce silica sol, refrigerator deodorant in one city. Our low production cost can save your purchasing cost. A more detailed description of our product is shown on the page.