| Properties | Unit | Typical Value | Testing Method |
| Silica Content(Based on ignited material) | % | ≥99.8 | GB/T 20020 |
| PH value in 4% dispersion | - | 3.7~4.5 | GB/T 20020 |
| Specific Surface Area(BET) | m2/g | 380±30 | GB/T 20020 |
| Loss on drying(2 hours at 105ºC) | % | ≤1.5 | GB/T 20020 |
| Loss on ignition (2 hours at 1000ºC) (based on material dried for 2 hours at 105ºC) | % | ≤2.0 | GB/T 20020 |
| Sieve Residue(45μm) | % | ≤0.04 | GB/T 20020 |
| Tamped Density (Based on material dried at 105ºC for 2 hours) | g/L | 40~60 | GB/T 20020 |
Characteristics
HL-380 is a hydrophilic fumed silica with a specific surface area of 380m2 /g.
Properties
Reinforcing filler in elastomers
Anti-settling, thickening and anti-sagging agent
Rheology and thixotropy control in liquid systems
Free flow aid and anti-caking aid for powders
Excellent transparency in unsaturated polyester resins
Applications
Coatings & Paintings
Silicone rubber and Other elastomers
UPR
Adhesives and Sealants
Printing ink
Factory Equipment
FAQ
1. Delivery time
a) For the stock items, we can arrange the shippment within 2~3days after received your payment. For the customized items, we will indicate the delivery time in the quotation list.
2. MOQ&Shipping
a) Full containers by sea
b) Small quantity(>25kg), by air or by LCL or by Express as your requirement
3. Payment term
a) Small quantity recommend West Union
b) Full containers recommend T/T or L/C
4.How is the charge for sample?
Free samples could be offered and pls kindly pay the express charge.
5. Can you give warranty of your products?
Yes, we extend a 100% satifisfaction guarantee on all items. Please feel free to provide timely feedback if you're not satisfied with our Quality and Service. For the overseas orders, if there is a quality problem, please kindly to provide the picturers to show the problem by e-mail. We will provide the replacements to you at our cost according to actual conditions.
6.Can I visit your factory?
Sure, warm welcome. If you have visiting plan, please contact us to make an appointment in advance.