Introductions
Hydrophilic Fumed Silica powder is an essential ingredient in adhesive formulations, providing various benefits such as
improving adhesive strength, viscosity control, and thixotropy. It is a versatile material that can be used in a wide range
of adhesive applications, including construction, automotive, and electronics.
Some of the key advantages of using hydrophilic Fumed Silica Powder in adhesives include:
1. Improved adhesive strength: Fumed Silica Powder can enhance the bonding strength of adhesives by increasing the
surface area for adhesion and promoting better wetting of substrates.
2. Viscosity control: Fumed Silica powder can help to adjust the viscosity of adhesives, making it easier to apply and ensuring
proper coverage on substrates.
3. Thixotropy: Fumed silica powder can provide thixotropic properties to adhesives, allowing them to flow easily during application
and then quickly thicken to prevent sagging or running.
4. Improved stability: Fumed silica powder can improve the stability of adhesives by preventing settling, separation, or syneresis
over time.
5. Enhanced durability: Fumed silica powder can enhance the durability of adhesives by providing reinforcement and resistance to
moisture, heat, and chemicals.
Overall, hydrophilic fumed silica powder is a valuable additive for adhesive formulations, offering a wide range of benefits that can
improve performance, stability, and durability. Its versatility and effectiveness make it a popular choice for adhesive manufacturers
looking to enhance their products.
Technique Indices
| Property | Unit | Typical Value | Testing Method |
| Specific surface area(BET) | M2/g | 200±20 | GB/T20020 |
| PH Value in 4% dispersion | / | 3.7-4.5 | GB/T20020 |
| Loss on dying(2h@105C) | Wt% | ≤2.0 | GB/T20020 |
| Loss on ignition(2h@1000C,based on material dried for 2h@105C) | Wt% | ≤2.0 | GB/T20020 |
| Sieve residue(45um) | Wt% | ≤0.04 | GB/T20020 |
| Silica content(Based on ignited material) | Wt% | ≥99.8 | GB/T20020 |
| Tamped density(Based on material dried for 2h@105C) | g/L | 40-60 | GB/T20020 |
| Carbon content(Based on material dried for 2h@105C) | g/L | ≤0.15 | GB/T20020 |
Application
Coating System, unsaturated polyester, silica rubber, printing ink , Cosmetics etc
Storage
Once opened, the bag must be tightened in order to prevent the rest of the product from samp and pollution.
Anticorrosion Pigments, Inkjet Receptive Coating, Matting Agent
