High-Performance Black Liquid Silicone Roller

The AstraRoll Custom Liquid Silicone Rubber Roller (LSR) represents the vanguard of elastomer technology designed explicitly for the hyper-critical, contamination-free requirements of high-speed PET film processing, coating, and lamination lines. Formulated via a monolithic molding process, the roller face is completely seamless and free of line streaks. Its outstanding elastomeric rebound property enables flawless deep-embossing performance and uniform cross-web nip pressure without structural sagging or chemical migration.

Engineered to optimize production throughput, the roller delivers exceptional release properties and non-stick performance, with surface roughness custom-tailored to provide a perfectly uniform matte finish on your films. Furthermore, its superior thermal conductivity and active anti-static defenses ensure rapid heat dissipation and eliminate electrostatic dust attraction, allowing processing lines to safely accelerate to maximum production velocities.

Technical Parameter

Product Framework: High-Performance Conductive Black Liquid Silicone Roller (LSR)

Surface Elastomer: Platinum Addition-Cured Liquid Silicone blended with Conductive Carbon

Electro-Conductivity Range: Permanent, non-decaying anti-static paths (10^6 - 10^9Ω)

Surface Topography: Monolithic Seamless Black Finish, Customizable Matte/Gloss Roughness

Core Base Shaft Mandrel: Forged 42CrMo Alloy Steel / Heavy-Wall Seamless Carbon Steel Core

Hardness Spectrum: 50 Shore A - 85 Shore A (Maintains strict symmetrical nip profiles)

Thermal Operating Envelope: Continuous, deflection-free performance from -50℃ up to +250℃

Total Indicator Runout (TIR): ≤0.005 mm (Achieved via synchronized microscopic cylindrical grinding)

Chemical Volatility: 100% Zero Molecule Bleeding / Zero Silicone Oil Precipitation

Applications

Electronics & Semiconductor Converting: Guiding and nipping delicate carrier tapes, flexible printed circuits (FPC), and protective optical shielding sheets without static sparks.

Lithium-Ion Battery Processing: Perfect for tracking double-sided coated anode and cathode foils through drying ovens, preventing static discharge and coating marks on fragile slurry layers.

Optical PET Film Lines: Handling high-speed release liners, polarizers, and solar panel encapsulation films inside strict Class 100 cleanrooms.

High-Speed Extrusion Lamination: Serving as a heavy-duty impression or backing nip roller where continuous material friction triggers extreme static-electricity accumulation.

Why Choose AstraRoll's High-Performance Black LSR Roller?

Permanent Carbon-Infused Anti-Static Network: Fast-moving film and foil webs generate massive friction, sparking severe static attraction that pulls in ambient dust and risks fire hazards. Instead of using short-lived surface anti-static spray treatments that wash off, AstraRoll infuses advanced conductive carbon matrix elements deep into the liquid silicone grid. This delivers a permanent, uniform dissipation path (10^6 - 10^9Ω) that remains fully active for the entire lifecycle of the roller.

Monolithic Seamless Casting for Streak-Free Substrates: Any joint line, pocket, or grinding streak on a silicone roller will transfer permanent cosmetic defects to high-clarity clear films. AstraRoll applies liquid silicone through a seamless, automated injection molding method that completely avoids traditional layering. The resulting black surface profile is completely homogeneous, guaranteeing a flawless, streak-free sheet appearance edge-to-edge.

Zero-Bleed LSR Chemistry for Contamination-Free Cleanrooms: Standard industrial rubber or conventional silicone rollers continuously sweat plasticizers or low-weight silicone oils when exposed to continuous heat. This leaves oily, foggy splotches on PET films that ruin downstream printing adhesion. Our premium black LSR features a highly cross-linked polymer network containing no volatile oils, securing zero chemical transfer and zero adhesion loss.

Concurrent Grinding Architecture for Sub-Micron Precision (≤0.005mm Runout): At high running speeds, even tiny variations in roller concentricity generate rhythmic pressure waves, creating thickness defects in your lamination or coating. We process the hardened alloy core and the black liquid silicone sleeve together using synchronized CNC cylindrical grinding machinery. This limits total indicator runout to ≤0.005mm, securing uniform nip pressure control across your entire production width

Q1. Are you a trader or direct factory?

We are a direct manufacturing factory with over 20 years of expertise in high-end industrial rollers, casters and material handling solutions. Our facility operates with ISO-certified quality management systems, allowing us to maintain full control over production cycles and quality standards. Throughout two decades of growth, we have established deep, long-term strategic partnerships with several listed companies and global automation leaders, proving our reliability as a high-tier industrial supplier.

Q2. What are your main products?

AstraRoll specializes in the engineering and production of three core product lines: Industrial Rollers, Heavy-Duty Wheels, and Precision Casters. We do not just sell components; we provide integrated movement and transport solutions. Our products are widely utilized across high-demand sectors, including: New Energy, Lithium Battery, Mining, Heavy Industry, Medical Institutional, Agriculture and Logistics.

Q3. What about delivery time?

We deeply understand that project timelines are critical.
Standard Products: Usually dispatched within 7–15 working days if the components are in stock.
Customized/OEM Orders: Depending on the complexity and volume, the lead time typically ranges from 20–35 days. This includes time for technical drawing confirmation, specialized tooling, and rigorous pre-shipment testing.
Shipping Methods: We offer flexible global logistics solutions, including FOB and CIF terms. We ship via Sea Freight (for bulk industrial orders), Air Freight (for urgent project needs), and International Express (DHL/FedEx/TNT) for smaller components or samples.

Q4. How can I get a quote for customized products?

Since a significant portion of our business involves specialized engineering, pricing is tailored to your specific technical requirements. To provide an accurate quote, please provide the following details: Technical Drawings or Sketches, Application Environment, Quantity, Special Requests. Our engineering team typically reviews and responds to custom inquiries with a formal quotation within 24–48 hours.

Q5. What is your payment?

TT / Paypal / Western Union / LC / Credit Card etc. are all available to us.