|
HS Code |
138853 |
| Chemicalformula | [(CH3)2SiO]n |
| Appearance | Clear, colorless, and odorless liquid |
| Density | 0.96–1.07 g/cm³ |
| Viscosity | Range of 5–1,000,000 cSt |
| Boilingpoint | Approximately 200–300°C (depends on grade) |
| Freezingpoint | -50°C to -65°C (depends on grade) |
| Thermalstability | Stable up to 250°C |
| Solubilityinwater | Insoluble |
| Flashpoint | >300°C |
| Surfacetension | 20–21 mN/m |
| Dielectricstrength | 15–20 kV/mm |
| Refractiveindex | 1.40–1.41 |
| Compatibility | Compatible with most plastics and rubbers |
| Hydrophobicity | Highly hydrophobic |
| Chemicalstability | Resistant to oxidation and chemicals |
As an accredited Silicone Oil factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Silicone Oil is packaged in a 1-liter high-density polyethylene (HDPE) bottle with a secure screw cap and clear product labeling. |
| Container Loading (20′ FCL) | Silicone Oil is loaded in 20′ FCL drums or IBCs, securely packed to prevent leakage, maximizing container space for safe transport. |
| Shipping | Silicone oil is shipped in tightly sealed, labeled containers such as drums or bottles to prevent leakage and contamination. It is classified as a non-hazardous material, but should be protected from extreme temperatures and moisture during transport. Ensure compliance with local, national, and international regulations for safe handling and shipping. |
| Storage | Silicone oil should be stored in a cool, dry, and well-ventilated area, away from direct sunlight, heat sources, and incompatible materials such as strong acids or oxidizers. Containers must be tightly sealed to prevent contamination and evaporation. Use storage vessels made of compatible materials like stainless steel or plastic, and label them clearly. Always follow local regulations and manufacturer guidelines. |
| Shelf Life | Silicone oil typically has an indefinite shelf life if stored in tightly sealed containers, away from moisture, heat, and direct sunlight. |
Competitive Silicone Oil prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615365186327 or mail to sales3@liwei-chem.com.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: sales3@liwei-chem.com
Flexible payment, competitive price, premium service - Inquire now!
At the factory, day after day, we see silicone oil go from its raw form into a vital backbone of countless products and processes. Its clarity, stable viscosity, and resistance to high and low temperatures give manufacturers, engineers, and technicians confidence from the first use through years of service. Manufacturers across lubrication, textile processing, personal care, electrical insulation, and food handling put their trust in silicone oil not by chance, but because they have seen direct benefits in their line work and day-to-day problem-solving.
Every drum, each batch, and every order of silicone oil we pour comes in more than one form. Standards range from low-viscosity grades like 100 cSt, 350 cSt, to 1000 cSt and far beyond. End-users in the electrical industry rely on 1000 cSt oil, safe knowing it retains proper dielectric strength during transformer operation. Textile manufacturers prefer 100 cSt silicone oil for its smooth, even spreading on fibers and yarns. On the production floor, you see every drop filtered, checked for moisture, and pressed to exacting specifications that go beyond just a number: stability, visual clarity, and absence of contaminants.
We control molecular weights and chain lengths using platinum-catalyzed reactions and high-quality starting chlorosilanes. Sample vials are always lined up on the bench for refractive index and volatility checks. The slightly sweet, neutral odor and pure, water-clear appearance reassure our technicians—with no need for masking or masking agents. That consistency comes from experience, not from chance.
Silicone oil claims its own corner on the production shelf due to its simple, reliable chemistry. Versus traditional mineral oils or synthetic hydrocarbons, silicone oils display far less change in viscosity at both temperature extremes. You can pour a sample at -40°C and see the same free movement as at room temperature. Mineral oils thicken, lose mobility, oxidize, and form sludge; after months in a transformer or a textile machine, the differences speak for themselves. In water repellency, silicone oil forms a tight, invisible layer over machine parts or fabric and dramatically cuts static buildup. There’s no risk of yellowing, sticky residues, or chemical breakdown after UV exposure, which often shows up in other fluids.
Despite years of marketing around “drop-in replacement” synthetics, we consistently hear from customers that silicone oil outlasts and outperforms other industrial lubricants and process aids. In mold-releasing, for example, the product’s residual lubricity saves time and reduces rejects in batch-to-batch production. Because the base chain is made from alternating silicon and oxygen atoms, chemical reactivity remains low. Additives only go in where the application demands—a food-contact grease, or a critical gear lubricant—never more, never less. From a manufacturer’s eye, this kind of reliability removes guesswork and reduces troubleshooting.
In our own facilities, we use our own silicone oil for lubricating high-speed packaging lines, coating tools, and protecting sensitive parts against corrosion. These are not sales stories—they are routine maintenance tasks that keep our output high and downtime low. Instead of calling maintenance teams for “mystery residue” or changing out burned or thickened fluids every quarter, our lines keep running, we keep schedules, and the product stays true to claims. Mixing and filling are cleaner, odors are nearly nonexistent, and staff find it easy to rinse away any spillage, because water and detergents break down silicone oil’s surface tension without leaving stubborn residues.
When the bottle says 100% silicone oil, that’s exactly what you find inside. All viscosities pour clear, bottle after bottle, and the material retains its lubricating and dielectric properties even after years on the shelf or in use. This permanence reduces reorder cycles and means less raw material handling for our team and our clients. The figures for breakdown products and environmental impact bear out: as a chemical manufacturer, we track every outgoing kilogram, and waste is minimal.
Handling silicone oil in the plant, we have built practical knowledge on its behavior and compatibility. The oil does not pose the volatility risk that many solvents and petroleum fractions present. Fumes do not fill the air during routine operations—it stays where you put it, whether on bearings, bushings, belts, or skin-safe products. We take pride in the clarity of our safety protocols. Silicone oil does not stain machinery, and its inert nature limits the risks when operators handle it with bare hands. Compared to hydraulic fluids and engine oils, there’s far less scraping, residue removal, or safety hazard. The product rinses off with soap and water from most surfaces. Local environmental testing shows limited bioaccumulation and rapid breakdown in most non-industrial settings.
For electrical applications, we stress-test our oils every batch—no short-circuits, stable permittivity, and zero conductivity. We track moisture levels, acid numbers, and watch for anything that might indicate instability, not just in the lab but on the floor where failures cost time and money. Decades of historical performance data line our plant walls and have shaped our ongoing formulations. As manufacturers, we see the difference in transformer performance, anti-corrosive applications, switchgear, and in personal care dispersions.
Our silicone oil runs pure enough for use in everything from skin lotions to ophthalmic treatments. Medical device manufacturers return to us for high-purity, low-residue oil free from heavy metals and volatile impurities. We filter every drop intended for medical or personal care, assay each batch, and carefully blend only as needed to match precise viscosities demanded by surgeons, ophthalmologists, or cosmetics formulators. It isn’t about branding or marketing: our material finds its way inside eye surgery kits, baby lotion, and medical lubricants because it performs consistently and delivers safety. Whether a client runs a formulation line in Asia or a compounding bench in Europe, the product packs the same traceable standards and maintains batch integrity.
Experience shows the difference: skin creams keep their slip and gloss with no sticky after-feel, hair products spread without buildup, and medical professionals get predictable performance. It is the direct benefit of maintaining control from raw input to final packaging—our quality team follows every stage, signing off with personal accountability.
Over years of regular plant audits and client feedback, we have fine-tuned blends with just enough additives to tackle heavy-load, high-heat, or extreme moisture situations. Manufacturers of conveyor belts, ball bearings, and abrasive processing equipment call on our technical team for advice when standard lubricants break down or fail to protect parts long-term. We routinely test different grades for drop-point, flash-point, and wash-off resistance. The records show that silicone oil stands up not just to theoretical testing, but to real plant uptime and throughput demands.
Machinists and engineers share that the oil’s surface-spreading properties tackle “creep” and micro-leakage far better than paraffin or ester-based fluids. From stamping lines to pharmaceutical filling lines, lubricity stays stable across long shifts and high-speed operation. No need to chase yellowed resins, cracked seals, or clogging from sludge. We see even dosing into microfluidic setups or pneumatic control systems, where viscosity control means the difference between smooth flow or downtime.
Silicone oil stands tall in the world of electrical insulation. We have supplied certified dielectric grades to transformer shops and switchgear manufacturers for decades. The daily challenge of running power systems means every user counts on low moisture, high breakdown voltage, and minimal acidity—requirements that come not just from market demand, but from standards authorities. Our process samples go through both accelerated aging and long-cycle operational simulations. Testing results shape our tolerance levels and never give us room for shortcuts.
Over time, electrical engineers have documented that silicone oil is slow to oxidize, does not sludge, and extends transformer life. In microelectronics, clients pour our purest grades into optical assemblies and display cooling channels. Each application rewards oil that stays fluid under pressure and temperature swings—a claim clients check themselves during product commissioning.
As direct suppliers, we take food and pharmaceutical regulations seriously—every drum meant for these sectors comes off a segregated line and has documentation to reach audit-ready status. The oil never taints food flavors or odors and resists chemical reaction with common cleaners. Dosage control allows precision in applications ranging from baking belts to food mold release to capsule lubrication.
Pharmaceutical lines use silicone oil for tablet coating and equipment lubrication, getting both slip and anti-stick performance. Since there is always scrutiny on ingredient traceability, our batches support global compliance audits. We introduce only the minimum required stabilizers and antioxidants, with clear documentation from additives sourcing through blending and packaging.
Our direct relationships with food engineers and plant managers allow us to hear concerns and offer rapid technical adjustments, tuning viscosity or purity grade within weeks if needed. The repeat orders and technical requests from some of the world’s largest processing plants reflect acceptance both as a process aid and as a quality guarantee.
Silicone oil shipments leave the warehouse for dozens of countries every month, backed by regulatory documentation and logistics support from people who understand the business at the ground level. Calls come in not just for supply, but for on-site troubleshooting or product comparison. Working directly with manufacturing clients, our engineers often spot application challenges that traders or outside resellers cannot. We have built relationships country by country, often visiting factories and sitting down with production leads to analyze performance reports.
Every request—be it for a new blend, emergency order, or technical question—has gone through team members with hands-on experience. Our lab team interacts directly with plant operators, not filtered through third-party customer service. We gather data, check direct client samples in our test bays, and recommend adjustments backed by actual testing rather than assumption.
With new regulations always on the horizon, our team digs into evolving standards on purity, biodegradation, and permissible additives. Rather than rely on outside consultants, our own compliance officers cross-check every new lot against local and international requirements. We invest in analytical equipment—GC-MS, FTIR, Karl Fischer titration—so that clients get trustworthy batch certificates. If reports from the field uncover a drift in viscosity or breakdown, we respond with tweaks to process conditions, not just paperwork.
We track market shifts closely—energy, personal care, electronics—and keep stocks flexible to handle surges in demand. Having direct access to process tanks and reactors means we adapt quickly. If costs on a key intermediate surge or if an additive becomes less available, we reformulate and scale up runs in-house instead of waiting on outside processors. This hands-on role prevents supply shocks and helps us keep promises to our clients.
Clients face their own issues—inconsistent performance with outsourced fluids, poor documentation, or long shipment delays. We support by sharing what actually works, pulling performance logs from across industries, and connecting engineers with counterparts at other manufacturing plants who have faced similar challenges. Where gaps appear in the market—say, in thinner high-purity grades for new med-tech or unusually high-viscosity versions for automotive seals—we develop new grades from scratch.
Over decades, feedback from users and production managers has shaped how we produce, package, and support silicone oil. Our logistics team learned from food manufacturers the importance of leak-proof, cleanable containers—so now we pressure-test every batch’s packaging before release. Automotive technicians told us about frothing in certain high-shear gearboxes, driving us to tune base chemistry and reduce entrained gas. Personal care formulators pointed out the need for consistently low volatile content, so we cut batch limits and improved our distillation process.
Every detail—from viscosity certification to shelf-life testing—emerged from real in-use challenges rather than lab speculation. Our data comes from pressure-cooker environments: long factory shifts, dusty packaging halls, and tight regulatory audits. This feed loop tightens our focus and builds confidence among existing and new direct users.
Our operations emphasize effective resource use—waste heat recovery, recycling solvents, and designing packaging for reduced raw material input. We maintain full traceability from incoming chlorosilane to outgoing container number. Where industry moves toward greener chemistry, our R&D team tunes processes to limit byproducts and secondary waste streams.
Silicone oil does not equal “sustainable” just by being long-lived or less reactive. We continue to assess breakdown pathways and test biodegradable blends without shifting away from the core properties that keep industrial clients satisfied. As new applications for silicone oil emerge—ranging from EV battery cooling to advanced 3D printing—our manufacturing process must adapt. This challenge sits close to the shop floor, not in a distant lab.
Silicone oil matters most where reliability matters most. From transforming basic siloxane monomers into a finished oil, each step comes with lessons learned directly from industrial capital at risk, batch after batch, forklift load after load. No shortcuts in purity, no mystery blends, and no extra padding—just clear, steady, confirmed product as promised. Where industry asks for tough, lasting, safe fluid performance, our team’s hands and expertise make the difference between an end-user’s guesswork and years of reliable service.
Our business stands on direct, traceable results—from the reactor, through the bottling line, into clients’ lines around the world. We know the team, the equipment, and the raw materials behind every shipment. The story of our silicone oil is written not in ad copy, but in process data, maintenance logs, and production targets achieved. When the role comes up for a performance-critical, clear, reliable, and proven industrial fluid, our answer stands ready—drawn from decades of lived experience in chemical manufacturing.