Enhancing Coating Performance: Exploring the Potential of Hydrophobic Silica as Coating Additives
Brand: HJSIL® FUMED SILICA
Place Of Origin: China
Grade: Industrial Grade
Packaging: 10KG
Transportation: Ocean,Land,Air,Express
Supply Ability: 100 MT / MONTH
HS Code: 28112290
Port: QINGDAO,SHANGHAI,GUANGZHOU
Payment Type: L/C,T/T,D/P
Incoterm: FOB,CFR,CIF
Introducing the "AquaRepel Pro" - the ultimate weapon against water-related mishaps! Say goodbye to embarrassing coffee spills and awkward water stains on your precious work attire. With our hydrophobic silica coating additive, your professional life just got a whole lot drier! Picture this: you confidently strut into a meeting, armed with a superpower that repels water like a boss. Colleagues will marvel as droplets dance off your perfectly tailored suit, leaving you unscathed and looking effortlessly cool. No more soggy paperwork or ruined presentations - AquaRepel Pro has got your back! So, join the league of water-fearing professionals and conquer any liquid challenge that comes your way!
HJSIL R274 is a hydrophobic fumed silica after-treated with Dimethyldichlorosilane (DDS). It is one of our Silicon Dioxide With Hydrophobic Groups.
The surface of Hydrophilic fumed silica contains a large number of hydroxyl groups and polar groups, which makes it easy for the primary particles to collide with each other and aggregate together to form secondary aggregates, which affects the uniformity of fumed silica in organic polymers. Dispersion can not meet the special needs of some industries, so it is necessary to carry out chemical modification on the surface of fumed silica to make the surface of fumed silica change from hydrophilic to hydrophobic, so as to improve the nano-fumed silica.
Physical and chemical data:
| Properties and test methods | Unit | Typical Value | Standardization |
| Specific surface area (BET) | m2/g | 170 ± 25 | GB/T 20020 |
| pH value (in 4% dispersion) | 3.8 ~ 5.0 | GB/T 20020 | |
| Loss on drying (2 hours at 105 °C) | Wt% | ≤ 1.0 | GB/T 20020 |
| Loss on ignition (2 hours at 1000 °C,based on material dried for 2 hours at 105 °C) | Wt% | ≤ 2.0 | GB/T 20020 |
| Sieve residue (45 μm) | mg/kg | ≤ 250 | GB/T 20020 |
| Silica content (based on ignited material) | Wt% | ≥ 99.8 | GB/T 20020 |
| Tamped density (based on material dried for 2 hours at 105 °C) | g/dm³ | 40 ~ 60 | GB/T 20020 |
| Carbon content (based on material dried for 2 hours at 105 °C) | Wt% | 0.7 ~ 1.3 | GB/T 20020 |
Product Categories : Fumed Silica > Hydrophobic
Mobile Phone: +8615639100440
Email:info@eastmaterials.com
Website: https://www.east-silicones.com
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