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China Wacker Fumed Silica N20 White Carbon Black - China Supplier
China Wacker Fumed Silica N20 White Carbon Black - China Supplier

Wacker Fumed Silica N20 White Carbon Black

Price:¥50 /kg
Industry Category: Chemicals/Pigments/Fluorescent Pigments
Product Category:
Brand: 瓦克
Spec: N20


Contact Info
  • Add:趙重公路2555號, Zip: 201702
  • Contact: 李蘭
  • Tel:021-59889296
  • Email:shpuhao@hotmail.com

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Description
Additional Information

Wacker Silica Hydrophilic: N20, T30P, T40, V15

Wacker Silica Hydrophilic: H15, H20, H18

Wacker Fumed Silica N20Fumed Silica N20

Product Description: Wacker Fumed Silica N20 is a synthetic hydrophilic amorphous silica, produced by flame hydrolysis as a high-purity white powder. It is mainly used in silicone rubber (HTV, RTV), resin coatings, paints, inks, electronics, papermaking, pharmaceuticals, cosmetics, toothpaste, adhesives, plastics, and other industries. Its characteristics include excellent anti-settling, anti-sagging, thickening and thixotropic properties, anti-sedimentation, improved dielectric properties, and promotion of free flow. It is an effective free-flow aid, external control agent for positive and negative systems, carrier for active components (such as catalysts), granulation aid, processing aid, anti-caking agent, and stabilizer.

Wacker Fumed Silica N20Applications:
● Unsaturated Polyester: Laminating resins, gel coats, grout mixtures, polar resins (epoxy, vinyl resin series) 
●  PVC: Plastisols, organosols, flexible PVC compounds, cable compounds, dry blends, films and sheets, etc. 
●   Printing Inks: Letterpress, gravure, screen, flexographic, offset printing inks 
●   Paints and Coatings: Epoxy and polyurethane coatings, alkyd resin coatings, acrylic resin coatings, zinc-rich coatings, powder coatings, etc. 
●   Sealants and Adhesives: Polychloroprene-based, epoxy, polyurethane resin, cyanoacrylate-based, emulsion-based, etc. 
●  Insulating Compounds: Cable compounds, insulating filling compounds for optical cables


Wacker Fumed Silica N20Characteristics:
● Controls rheology and thixotropy of liquid systems, adhesives, polymers, etc.
● Acts as an anti-settling, thickening, and anti-sagging agent
● Reinforces HCR high-temperature vulcanized silicone rubber and RTV-2K two-component room-temperature vulcanized silicone rubber
● Improves powder properties, enhances flowability and anti-caking

 

Wacker Fumed Silica N20Parameters

Appearance

Fluffy white powder

BET Surface Area

200±30 m2/g

Average Primary Particle Size

12 nm

Tapped Density Approx.

40 g/l

Refractive Index

1.46

Silanol Group Density

2 SiOH/nm2

pH Value

3.8-4.3

SiO? Content

≥99.8 %

Resistance at 50-60g Density

>1013

pH Value

3.8-4.3

SiO? Content

≥99.8 %

Resistance at 50-60g Density

>1013

Loss on Drying at 105°C for 2h (as shipped)

<2 %

Loss on Ignition at 1000°C for 2h

<1.5 %

Sieve Residue

<0.04

 

Industry Category Chemicals/Pigments/Fluorescent Pigments
Product Category
Brand: 瓦克
Spec: N20
Stock:
Origin: China / Shanghai / Qingpuqu
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