|
HS Code |
111953 |
| Color | usually translucent or milky-white |
| Hardness | typically between 20 and 70 Shore A |
| Operating Temperature Range | -50°C to +200°C |
| Self Lubricating Mechanism | internal lubricant migrates to surface during use |
| Coefficient Of Friction | low, generally between 0.15 and 0.30 |
| Tensile Strength | ranging from 5 to 11 MPa |
| Elongation At Break | 200% to 700% |
| Compression Set | typically less than 25% at 22 hours, 175°C |
| Biocompatibility | generally biocompatible, suitable for medical applications |
| Ozone And Uv Resistance | excellent resistance |
| Dielectric Strength | typically 20 to 25 kV/mm |
| Water Absorption | extremely low |
| Chemical Resistance | resistant to many chemicals and oils |
| Aging Properties | excellent, maintains properties over time |
| Surface Finish | smooth, non-tacky, lubricious feel |
As an accredited Self-Lubricating Silicone Rubber factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging is a 5 kg white, airtight plastic pail, featuring a tamper-proof lid and product label with safety and handling instructions. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Self-Lubricating Silicone Rubber: 12-13 metric tons packed in 25kg bags, palletized, tightly secured for shipping. |
| Shipping | Self-Lubricating Silicone Rubber should be shipped in sealed, moisture-proof containers to prevent contamination and degradation. Store and transport in a cool, dry area away from direct sunlight and incompatible chemicals. Clearly label all containers, follow applicable safety regulations, and use appropriate packaging to minimize risk during handling and transit. |
| Storage | Self-Lubricating Silicone Rubber should be stored in a cool, dry, and well-ventilated area, away from direct sunlight, moisture, and heat sources. Keep containers tightly sealed to prevent contamination. Store separately from incompatible materials such as acids and strong oxidizing agents. Ensure proper labeling and use original packaging to maintain product integrity and extend shelf life. |
| Shelf Life | Self-lubricating silicone rubber typically has a shelf life of 12-24 months when stored in original, unopened packaging under recommended conditions. |
Competitive Self-Lubricating Silicone Rubber 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.
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Tel: +8615365186327
Email: sales3@liwei-chem.com
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In our world as a chemical manufacturer, there is a growing need for components that do more than just fill a space or provide a shape. As engineers and production floor technicians will tell you, every moving part is a point of potential failure — and continuous lubrication has always been the stubborn issue that refuses to go away. In areas ranging from food packaging lines to automotive assembly, lubricants are applied manually or systems are built around complex lubrication networks, yet downtime and contamination persist as headaches for maintenance teams.
This daily frustration set us on a path to improve an old, reliable material: silicone rubber. Our new series of self-lubricating silicone rubber is responding directly to these challenges. Through our own pilot lines and direct customer feedback, we have seen how this new approach solves bottlenecks and reduces the constant cycle of inspection, shutdown, and reapplication that happens with traditional lubrication routines.
Our production team approached the material with clear eyes: people use dynamic seals and gaskets in pumps, valves, and medical gear because silicone handles heat, weather, and aggressive chemicals. But friction adds heat, accelerates wear, and attracts dust or dirt. If you combine those factors in a food plant or an automated warehouse, you have a recipe for higher operating costs and frequent failures.
Instead of simply marketing a softer compound or a so-called 'low-friction' blend, the team included a controlled lubricant dispersion system within the silicone matrix. In essence, these microscopic lubricants are embedded at a molecular level, and they migrate gradually and evenly toward surfaces when the rubber flexes, bends, or gets compressed in operation. Through extensive runs on our vulcanization and extrusion lines, we adjusted the ratios so that the lubricant release matches the application—some sectors like medical diagnostics need ultra-clean, barely-there migration, while conveyor seals need longer, film-forming transfer to tolerate dust and abrasion.
Our finished products—best exemplified in models like the SLR-1150 and SLR-3516—come out of the curing line ready to go without extra coatings or manual prepping. Our QC teams do repeated friction and wear trials on every batch, pushing each lot well beyond the standard half-million-cycle test. We gauge not only the coefficient of friction but also residue, color change, and aging under simulated sunlight and ozone.
Feedback from customers—especially those in medical device assembly, food processing, and electronics—reflects the reduction in maintenance downtime. One of our clients in beverage filling lines reported a 40% drop in seal change-outs, with lower torque requirements across their compressors and filling heads.
People in the field know that regular silicone feels smooth, but over weeks and months, the tackiness returns and real-world wear creates debris. Greases and sprays can mask the problem, but they migrate off the contact zone, attract pollutants, or wash away under cleaning. Our self-lubricating formula keeps a steady, low-friction interface, shedding dirt and resisting absorption of water or oils.
We watched maintenance teams wipe down and reapply lubricants, particularly on O-rings and small gaskets inside automated guides and pick-and-place machines. After switching to our self-lubricating material, those same teams spent more time running production instead of breaking down assemblies for cleaning. Many told us that gasket seating became easier, with no twisting or sticking during installation, and fewer startup failures from pinched or misaligned parts.
In medical and lab environments, we learned that regular silicone can trap powders and residues, leaving behind faint marks or causing contamination. With self-lubricating silicone, our partners run repeated autoclave cycles and still record cleaner surfaces. This has opened the door to smaller, precision-fitted seals and micro-valve seats that don’t depend on outside lubrication, especially in analytical equipment and high-speed pipetting stations.
Some folks ask how our material handles heat and chemical resistance. Our self-lubricating line passes the same temperature and chemical exposure tests as our traditional grades. Peroxide- and platinum-cured versions both keep their elastic strength between -60°C and 220°C, holding up against acids, glycols, and sterilizing agents. What sets these models apart is the consistent surface slip, which means engineers no longer have to choose between durability and reliable movement.
For electrical insulators, touchscreens, and wearable sensors, constant movement and minor vibration cause stiffness and noise. Our SLR-3516 material helped one electronics manufacturer reduce the stick-slip chatter that was causing premature sensor failure in their touch buttons. We supplied custom die-cut pads that retained clarity and electrical insulation values, yet allowed repeated finger contact and brush-by actuation without accumulating greasy films.
Our molding and extrusion teams frequently field requests for profiles with unusual cross-sections or intricate, bonded inserts. Self-lubricating silicone flows cleanly into fine molds and extrudes with crisp details, while avoiding the shrink-back or oily residue seen in blends made with external lubricant additives. This allows designers more freedom: thinner walls, sharper ridges, and contoured lips all remain physically stable, even after extended use in hot, dry, or damp environments.
A growing number of industries now move away from mineral-oil-based lubricants, which spill and generate disposal headaches. Our self-lubricating silicone relies on food-grade, inert lubricants fully locked into the matrix, without leaching or hazardous run-off. In many applications, our partners reduce their spend on hazardous lubricant purchases, skip the step of chemically treating rags and wipes in their clean-up routine, and streamline compliance reports for audits.
We’ve supplied material for high-traffic, hands-on environments: bakery conveyors, bottling lines, and lab equipment, where contamination risks are top of mind. One bakery maintenance leader told us their previous experience with off-the-shelf lubricated seals led to subtle product contamination, despite regular cleaning. After bringing in pre-formed SLR-1150 seals, both hygiene and uptime metrics improved. Our materials continue to pass migration and extractable tests under FDA and EU frameworks, which means plants avoid disruption when food safety inspectors arrive.
The industry shift toward automation is rapid. As robotics and automated handling become standard for pharmaceuticals, nutrition, and electronics, materials used in grippers, seals, and dampers must support countless cycles with minimal intervention. We’ve worked directly with designers of collaborative robots, who demand not only chemical and heat compatibility, but also low-maintenance surfaces that shed debris and resist static buildup.
Our R&D labs have coordinated pilot production runs with these partners, using self-lubricating silicone in rotary joints, actuator boots, and soft-grip pads interacting with delicate goods. Throughout extended test cycles, engineers measured lower current draw and improved repeatability, which let them downsize motors and keep end-effectors cleaner. In soft robotics and medical prosthetics, the even distribution of lubricity also means reduced risk of hot spots or blistering during daily wear. We fielded direct reports from prosthetic users who noticed less skin irritation and easier cleaning compared to standard silicone covers.
Over decades on the production floor, we’ve discovered that implementing a new compound fails if it complicates existing workflows. We set up our self-lubricating silicone rubber on the same molding and extrusion equipment as our legacy products. Molders did not report any new sticking issues, so cycle times stayed consistent. Mixers on our batch lines handled the lubricants with no foaming or streaking, avoiding dust clouds or inconsistencies that can kill a batch’s performance.
The real value comes when assemblers and end users stop noticing the material at all—the best sign that friction, contamination, and maintenance have taken a back seat. Our service teams document each customer’s install and run conditions. One line supervisor at a major food processor told our field techs that their new seals kept their compression set values, even after months in high-pressure washdowns. Not all friction reduction approaches deliver these kinds of sustained results—surface sprays wear away, and soft-rubbers attract dirt. We subject every lot to real-world abuse: scrubbing, flexing, long-term ozone blasting. Only after passing those tests do we clear batches for shipment.
Let’s take the example of medical tubing connectors in hospital settings. Staff need to connect and disconnect hoses countless times per shift, and they must avoid both leakage and material transfer. Silicone’s legacy in medical devices is strong, but past products could not prevent tack or grab that emerged after several cycles. Our SLR-3516 model maintains slip and snap-in action through every shift, even after multiple autoclave runs. We hear from biomedical engineers that after switching, their test results show a 60% drop in visible powder or protein residue on each cleaning cycle.
In automotive and transit, environmental sealing remains the name of the game: window slides, sunroof channels, and cable pass-throughs need to glide through service life. Pulling apart past assemblies, we saw a waxy build-up and small tears along traditional seals. After fielding self-lubricating extrusions, OEM engineers observed fewer warranty claims and improved noise-damping in passenger cabins. This feeds into lightweighting goals, since parts can be smaller and lighter without risking early failure.
Our own technicians also fit self-lubricating grommets and boots in factory machinery that operates around the clock. From vibration dampers to actuator bellows, these gaskets went longer between breakdowns and required less shutdown time for replacement. By skipping external lubrication, machinery operators cut the risk of slip-and-fall accidents or cleaning-related shutdowns.
At times, we hear concerns about chemical compatibility or the long-term integrity of embedded lubricants. Our technical staff completes hundreds of migration, resistance, and abrasion assessments—both in-house and through third-party labs. Open discussions with customers influence each tweak to our formulation, so the lubricity matches the demands of both high-friction and delicate-touch applications.
We have resisted the shortcut of simply blending in mineral oil or industrial waxes, as these methods leave a greasy feel and cause migration over time. Persistent trial runs and side-by-side benchmarking convinced us that a stable, food-grade internal lubricant system makes the material predictable throughout its whole service life. In our own retention samples, even after years on the shelf, the surface remains smooth and functional without a change in dimension or color.
This attention to material consistency reduces field failures—fewer leaks in pumps, less debris in analytical equipment, and quieter movement in wearables and touch interfaces. People who run molding shops or process lines report reductions in lubricant purchases, less downtime, and an easier time keeping up with regulatory audits.
From day one, our goal has been to give engineers, maintenance leaders, and purchasing managers a tool that delivers more than the sum of its raw materials. We keep production cycles stable, capacity high, and operating margins under control, precisely because we’ve been on the other side of the equation—scrambling to address equipment failures, cleaning up lubricant spills, and testing yet another batch of off-the-shelf gaskets that looked promising on paper but did not survive real production lines.
Our self-lubricating silicone rubber is not a theoretical improvement. It stems from failures, field feedback, and years on factory floors. It solves real friction, hygiene, and environmental headaches. As regulators, auditors, and production managers demand more traceability, sustainability, and performance, we build our material to exceed baseline expectations—not in a lab, but on production lines where time, cost, and performance intersect.
People on the ground know what works and what doesn’t. This material, shaped by collaboration between material scientists, operators, and field engineers, brings measurable value. No more treating material choices as afterthoughts or chasing magic solutions from slick marketing brochures. Our approach combines chemistry, field-testing, and the experience of those who keep the world’s equipment running day and night. Self-lubricating silicone rubber makes a difference where yield, uptime, and safety are written into daily production results.
In every development cycle or process improvement, we find that the best solutions emerge through listening—not just to lab results but also to the rather blunt voices in maintenance, quality control, and end use. This approach grounds our material development, keeping us focused on practical, measurable benefits—fewer failures, easier cleaning, safer operations, and stronger long-term costs savings. With field-proven materials that stand up to heat, motion, and hygiene demands, we move another step closer to reliable, sustainable manufacturing for everyone.