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1h 1h 2h 2h perfluorodecyltriethoxysilane - Superhydrophobic
- Time of issue:Oct . 27, 2025 16:30
(Summary description)Tangshan Moneide Trading Co., Ltd. is a trading company specializing in the export of fine chemical products in China. Over the years, we have established good cooperative relations with many outstanding chemical production enterprises in China, and actively cooperated in research and development on some products. Our company's product series mainly include: electroplating chemicals, organic& inorganic fluoro chemicals, organic intermediate chemicals, phase transfer catalyst and Indicator or Biological stain .
- Categories:Company dynamic
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- Time of issue:2019-12-30 10:55
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When lab buyers tell me they need a durable, ultra-low-surface-energy topcoat, I usually end up talking about 1h 1h 2h 2h Perfluorodecyltriethoxysilane—yes, a mouthful. In practice you’ll also see the trimethoxy variant on spec sheets; naming can blur a bit, but performance trends line up. To be honest, the buzz lately is all about balancing slick repellency with regulatory pressure around PFAS. Yet in optics, electronics, and stone protection, this class still sets the benchmark for repellency and clean release. Product name on the official page: 1H,1H,2H,2H-Perfluorodecyltrimethoxysilane, CAS 83048-65-1. Synonyms you’ll bump into: perfluorodecylsilane, FD-TMS; the ethoxy cousin exists too. The trimethoxy version generally hydrolyzes faster; the ethoxy variant can give a touch more bath stability. Either way, you get a fluorinated tail (for repellency) plus a silane head that covalently bonds to hydroxylated surfaces. - Consumer devices: anti-fingerprint topcoats on glass and coated metals.
- Optics: AR stacks that need cleanability without haze.
- Building/stone: stain repellency on granite, ceramic, and grout.
- Auto/EV: sensor windows, harness connectors (reduced wetting).
- Solar: soiling reduction on cover glass. Many customers say the “wipe-clean” effect sticks around longer than expected, even in humid climates. Materials: solvent (IPA, ethanol, or heptane), deionized water, acetic acid (pH ~4.5), the silane. Methods:
1) Clean/activate substrate (detergent → DI rinse → dry → optional O2 plasma).
2) Make 0.5–2.0 wt% bath; add 1–3% water; adjust pH mildly acidic; age 10–30 min.
3) Apply via dip, spray, or spin.
4) Flash off solvent; cure 110–150°C for 30–60 min (metal/glass) or 70–110°C for polymers (watch Tg).
Testing: contact angle per ASTM D7334/ISO 19403; crosshatch adhesion ASTM D3359; abrasion (Taber) ASTM D4060; chemical resistance ISO 2812; salt spray on metal stacks ASTM B117. Service life: around 1–3 years outdoors; up to 5 years in indoor, low-abrasion use. - Very low surface energy and excellent oil repellency.
- Covalent siloxane network on hydroxylated surfaces.
- Thin, transparent films that play nicely with optics.
- Customizable: switch between ethoxy/trimethoxy, tweak solvent, co-silanes for abrasion. Customization: swap in co-silanes (aminosilane for adhesion layers), blend loadings (0.2–1.0%), or adjust cure profiles for polymer optics. It seems that even small tweaks in pH and water content shift film density a lot. - Smartphone glass: a Tier-1 coater reported 118° water CA and 1h 1h 2h 2h Perfluorodecyltriethoxysilane, maintaining 90% of repellency after 5k finger wipes (microfiber, dry).
- Aluminum housings: after chromate-free pretreat + silane topcoat, neutral salt spray (ASTM B117) improved ≈3× versus bare metal. Feedback was “noticeably easier clean-down” after rain events. Expect SDS, CoA, and RoHS/REACH statements. Given ongoing PFAS rulemaking, double-check current regional requirements before scale-up. Certification-wise, suppliers often operate under ISO 9001. Testing to ASTM/ISO methods below keeps procurement and QA aligned. Citations: [1] ASTM D7334; [2] ISO 19403 (Parts 1–7); [3] ASTM D3359; [4] ISO 2812; [5] ASTM D4060; [6] ECHA PFAS restriction proposal (2023) and related guidance.
What it is (and the naming wrinkle)
Key specifications (field-proven ranges)
CAS
83048-65-1 (trimethoxy)
Appearance
Clear, colorless to pale yellow liquid
Purity
≥ 97% (typical)
Density (25°C)
≈ 1.50–1.55 g/mL (real-world use may vary)
Refractive index nD20
≈ 1.36
Static water CA
115–120° on glass/SiO2 after cure
Sliding angle
Where it’s used
Process flow (shop-floor version)
Advantages (why teams still spec it)
Vendor snapshot and customization
Vendor
Lead Time
MOQ
Docs
Notes
MoneideChem (Origin: 2-7-523 Jidong Building Materials, Tangshan, Hebei 064000, China)
≈ 2–3 weeks
1–5 kg
CoA, RoHS/REACH support
Trimethoxy focus; custom solvent blends
Global Supplier A
1–2 weeks (stock)
500 g–1 kg
Full TDS/SDS
Ethoxy + methoxy variants
Distributor B
3–5 days
≥ 250 g
Basic CoA
Convenient for prototyping
Mini case studies
Compliance and documentation
Moneide Chemicals
