HJSIL® 380 Hydrophilic Fumed Silica, Silica for Silicone Rubbers and Liquid Rubber

HJSIL® 380 Hydrophilic Fumed Silica

HJSIL® 380 is a kind of hydrophilic fumed silica with a specific surface area of 380 m2/g. It’s high purity white colloidal powder.

1.Reinforcement filler in elastomers.

2.Rheology and thixotropy control of liquid systems, binders, polymers, etc.

3.Used as anti-settling, thickening, anti-sagging agent.

4.Improvement of free flow and anti-caking characteristics of powders.

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CHARACTERISTIC

TECHNICAL DATA

APPLICATIONS

PACKAGING

CHARACTERISTIC

HJSIL® 380 is a kind of hydrophilic fumed silica with a specific surface area of 380 m2/g. It’s high purity white colloidal powder.

Properties

Reinforcement filler in elastomers
Rheology and thixotropy control of liquid systems, binders, polymers, etc
Used as anti-settling, thickening, anti-sagging agent
Improvement of free flow and anti-caking characteristics of powders
Excellent transparency in unsaturated polyester resins

TECHNICAL DATA

Properties and test methods	Unit	Typical Value	Standardization
Specific surface area (BET)	m2/g	380 ± 30	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
● LSR, laminated resins and gel coats

PACKAGING

HJSIL® 380 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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