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1g medicine small bag silica gel desiccant/in packaging tyvek paper

Location:
Dongguan, China ( Mainland)
Status:
New
Sample Availibility:
yes
Payment Terms:
Cash, Bank Transfer, Letter of Credit, T/T, L/C
Categories:
Home > Packaging & Paper > Packaging Products Agents

Product Description

Characteristic
Silica gel is a high absorbent. Exposing in the air (RH 80%-90%, 25°C) 7 hours, it can absorb 35-39% water. The silica gel is made by people with the Na2SiO2 and chemical relative. The character is a lot of holes in inner, the outside structure is the anomalistic graininess. The inner configuration makes many hiatus net, forming the effect of capillary absorbent and coagulating. So it can absorb the surrounding water, alcohol, hydrocarbon and any other chemical molecules. People use sio2 physical character and now make it the best absorbent.

The Physical Character

TYPE ( A )

Adsorption

20%RH

12

50%RH

25

90%RH

35

Loss on drying(%) at 180 °C

2.0

PH

5.0

SPECIFIC RESISTANCE

10.000

Surface density (g/ml)

0.73

Surface Area( ml2/g )

650

Pore Capability( ml/g )

0.36

Average pore diameter( A )

0.36

SPECIFIC HEAT ( kcal/mhr °C )

0.22

Thermal conductivity( kcal/mhr °C )

0.15

The Composition:(Unit:wt%)

SiO2

99.7

Fe2O3

0.08

AL2O3

0.16

CaO

0.04

Na2O

0.02



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Contact Information

Company:
 Dongguan Chengfeng Packaging Material Co., Ltd.
Phone Number:
  86-769-87075997,13686617275
Fax Number:
 86-769-87075992
 
Dongguan Chengfeng Packaging Material Co., Ltd.
 Guangdong , China FREE
 

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