Qingdao Chengyang Marine Chemical Industry Co., Ltd

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1.Fragrance Silica Gel 2.Artware

Small Packing Silica Gel	Fine-pored Silica Gel	FNG Water Proof Silica Gel
Gelatine Powder	Macro-pored Silica Gel	Cat Litter Silica Gel
Paper Cat Litter	Beer Silica Gel	C-type Silica Gel
Blue Silica Gel	Environmental-Friendly Type	Fragrance Silica Gel

Properties：
Fine-pored Silica Gel Properties: Fine-pored silica gel, including fine-pored ball silica gel and fine-pored lump silica gel, takes on transparent or semitransparent glassiness. Average aperture is 2.0-3.0nm, specific surface is 650-800m2/g, pore volume is 0.35-0.45ml/g, specific heat is 0.92KJ/kg.℃ and thermal conductivity is 0.63KJ/m.hr.℃. Additionally, fine-pored silica gel is also named A-type silica gel.

Purpose：
Mainly apply to drying and damp-proofing and also is used as catalyst carrier, adsorbent, separating agent and pressure swing adsorption, etc.

Specification：0.5-1.5mm, 0.5-1mm, 2-4mm, 2-5mm and 4-8mm。
Packing：Net weight of each bag is 25kg or 500kg.
Remarks：Moisture, packing and specification can be customized according to users' requirements.

Technical Index：

Item		Index			Typical value
Item		Best quality	First quality	Qualified product	Typical value
Adsorptive capacity	RH=20%，% ≥	8.0	7.0	6.0	11.2
	RH=50%，% ≥	20.0	19.0	18.0	29.2
	RH=90%，% ≥	30.0	29.0	28.0	37.6
Heating loss，% ≤		2.0	4.0	6.0	1.0
PH value		4-8	--	--	4
Specific resistance，Ω.cm ≥		3000	--	--	5630
Silicon dioxide content,% ≥		98	--	--	98.5
Qualified rate of ball granule,% ≥		82	--	--	90
Granularity		Negotiated	Negotiated	Negotiated	2-5mm
Bulk density, g/L		Negotiated	Negotiated	Negotiated	784
Remarks: Qualified rate index of ball granule only applies to that of fine-pored ball.