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HJSIL® 200 Hydrophilic Fumed Silica
HJSIL® 200 Hydrophilic Fumed Silica
HJSIL® 300 Hydrophilic Fumed Silica
HJSIL® 300 is a kind of hydrophilic fumed silica with a specific surface area of 300 m2/g. It’s high purity white colloidal powder.
1.Used as anti-settling, thickening, anti-sagging agent.
2.Improvement of free flow and anti-caking characteristics of powders.
3.Rheology and thixotropy control of liquid systems, binders, polymers, etc.
4.Reinforcement filler in elastomers.
CHARACTERISTIC
TECHNICAL DATA
APPLICATIONS
PACKAGING
CHARACTERISTIC
HJSIL® 300 is a kind of hydrophilic fumed silica with a specific surface area of 300 m2/g. It’s high purity white colloidal powder.
Properties
Used as anti-settling, thickening, anti-sagging agent
Improvement of free flow and anti-caking characteristics of powders
Rheology and thixotropy control of liquid systems, binders, polymers, etc.
Reinforcement filler in elastomers
Excellent transparency in unsaturated polyester resins
TECHNICAL DATA
Properties and test methods Unit Typical Value Standardization
Specific surface area (BET) m2/g 300 ± 25 GB/T10722
pH value (in 4% dispersion)   3.6 ~ 4.5 GB/T1717
Loss on drying (2 hours at 105°C) Wt% ≤ 1.5 GB/T5211.3
Loss on ignition
(2 hours at 1000°C, based on material dried for 2 hours at 105°C)
 
Wt%
 
≤ 2.5
 
GB/T20020
Sieve residue (45 μm) % ≤ 0.05 GB/T5211.14
Silica content (based on ignited material) Wt% ≥ 99.8 GB/T20020
Tamped density (based on material dried for 2 hours at 105°C) g/L 40 ~ 60 GB/T5211.4
Carbon content (based on material dried for 2 hours at 105°C) Wt% ≤ 0.2 GB/T20020
APPLICATIONS
● HTV and RTV silicone rubber
● Adhesives and sealants
● Paints and coatings
● Cosmetics
● Cable compounds
● Unsaturated polyester resins, laminated resins and gel coats
PACKAGING
HJSIL® 300 is supplied in 10kg kraft paper bags. We recommend to store the product in closed containers under dry conditions and to protect the material from volatile substances.
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