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OF SILICON DIOXIDE

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Fumed silica Fusil 620 data sheet

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Product Description
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Product Information

 

Fusil ®620                                                                                                                        

Hydrophobic Fumed Silica

 

Fusil®620 is hydrophobic fumed silica after treated with HMDS (hexamethyldisalazane) based on a hydrophilic fumed silica with a specific surface area of 200 m2/g . It’s a kind of high purity white colloidal powder.

 

Characteristic physico-chemical data

Test Item

Standard

Standardization

Specific Surface Area BET(m2/g)

170±20

GB/T 10722

pH Value in 4% dispersion

5.5-8.0

GB/T 1717

Loss on Drying 2h@ 105℃(%)

≤0.5

GB/T 5211.3

Loss on Ignition 2h@ 1000℃(%)

≤4.0

GB/T 20020

SiO2 Content (based on ignitedmaterial)(%)

≥99.8

GB/T 20020

Tamped density (based on material dried for

2h@ 105℃) (g/l)

 

40-60

 

GB/T 5211.4

Carbon content (based on material dried for

2h@ 105℃) (%)

 

1.5-2.5

 

GB/T 20020

 

◆  Fumed silica Fusil 620 data sheet

 

Applications

l  HTV silicone rubber &LSR

l  Sealants and SiliconeAdhesive

l  Coatings,inks

l  Powdercoatings

 

Packing and storage

l  Packaged in multiple layer Kraft paper, 10kg perbag

l  Stored in aeration-drying storage areas for protecting the material from volatilesubstance.

l  Should be used within 2 years afterproduction.

 

Properties

l  Reinforcement of HTV silicone rubber, anti-caking

l  High hydrophobicity and stable thixotrophy, using in coatings and inks can prevent from anti-caking, anti- sagging,anti-thixotrophy.

l  Good performance of hydrophobic feature and rheology in adhensives andsealants

l  Improve the free flow of powder coatings and anti- caking

 

Safety & Handling

Information concerning the safety of this product is listed in the corresponding Safety Data Sheet, which will be sent with the first delivery or upon updating. Such information is also available from Fuchang Chemical, Product Safety Department,   E-MAIL info@fuchangchem.com or can check from our homepage www.fuchangchem.com. We recommend to read carefully the safety data sheet prior to the use of ourproduct.

 

Transportation

l  20’GP: 1.8 Mt, 10 pallets,180KG/pallet.

l  40’HQ: 4.0Mt, 20 pallets, 200KG/pallet.

 

Service

Email: info@fuchangchem.com

Tel: 0086-411-83607405

Website: www.fuchangchem.com

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