Product Description

HC-300 is hydrophilic fumed silica with a specific surface area of 300 m2/g 

 

Properties: 

  Rheology & Thixotropy control                         Reinforcement

  Free flow aid and anti-caking aid for powders           Antisagging & Antisettling

 Thickening                                            High tear resistance

  Excellent transparency in unsaturated polyester resins

 

Characteristic physico-chemical data 

Properties	Unit	Typical Value
Specific Surface Area（BET）	m2/g	300±25
pH value in 4% dispersion		3.8～4.4
Loss on drying(2 hours at 105℃)	%	≤2.0
Sieve Residue(45μm)	mg/kg	≤250
Silica Content(Based on ignited material)	%	≥99.8
Tamped Density(Based on material dried at 105℃ for 2 hours)	g/dm³	40～60

Application:

   Coating and Painting        Adhesives and Sealants                Film & UPR

   Printing Ink                 Silicone rubber and other sealants  etc.

 

Packing and storage

lPackaged in multiple layer Kraft paper, 10kg per bag

lStored in aeration-drying storage areas for protecting the material from volatile substance.

lShould be used within 2 years after production.