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hydrophilic fumed silica

Hydrophobic Fumed Silica LC-HFS506

LC-HFS506 is a hydrophobic fumed silica with a specific surface area of 200, which has been treated with HMDS (hexamethyldisilazane). It is mainly used for HTV silicone rubber and liquid silicone rubber, coating inks, adhesives and sealants, and powder coatings.

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Features & Benefits of Hydrophobic Fumed Silica LC-HFS506

Improve the free flowability of powder coatings and prevent clumping
Prevent sedimentation, sagging, and thixotropy in coatings and inks
Good hydrophobicity and rheological control in adhesives and sealants
HTV silicone rubber reinforcing agent to prevent structuring
Has excellent hydrophobicity and stable thixotropy

Applications of Hydrophobic Fumed Silica LC-HFS506

HTV silicone rubber and liquid silicone rubber
powder coating
Coatings and inks
Adhesives and sealants

Specification of Hydrophobic Fumed Silica LC-HFS506

Technical Index

Property	Value
Specific surface area（BET）m2/g	200
pH value	5.5-8.0
Loss on drying，105℃，2h，wt%	≤0.5
Burning loss,%	≤4.0
Tap density，g/l	40-60
Carbon content,wt,%	0.7-1.3
Silica content,%	≥99.8

Package

N.W 10KG Bag
The paper bag consists of multiple layers and contains PE coated layer between the papers.

Storage

Store in a dry and ventilated place to prevent moisture.

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Hydrophobic Fumed Silica LC-HFS300

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