Custom Nano-Liquid Silicone Roller for High-Precision Coating

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

Framework: Nano-Reinforced High-Density Liquid Silicone Roller

Material Composition: Platinum-Cure LSR with Nano-Silica Reinforcement

Surface Finish (Ra)Sub-Micron Precision: Ra ≤0.1μm to 0.2 μm

Surface Topography: Nano-Level Pore-Free Surface (Ultra-Dense Matrix)

Core Structure: Tempered 42CrMo Alloy Steel / Precision Seamless Tube

Hardness Spectrum: 40 Shore A - 90 Shore A (Customizable)

Total Indicator Runout (TIR): ≤0.005mm (Sub-micron concentricity)

Temperature Resistance: Continuous -50℃ to +250℃

Wear Resistance: 30% - 50% higher than standard LSR due to nano-fillers

Applications

Micro-Gravure & Precision Coating: Perfect for applying thin, uniform functional coatings on battery separators or optical films where micro-pits are unacceptable.

Optical Film Casting (PET/TAC/COP): Ensuring a flawless, high-transparency surface during the extrusion and cooling phases of premium display films.

Semiconductor Substrate Processing: Handling sensitive wafers or carrier tapes in cleanroom environments where zero-particle contamination and zero-outgassing are required.

High-End Thermal Lamination: Providing perfectly even nip pressure for bonding ultra-thin metallic foils to polymer substrates without micro-wrinkles.

Why Choose AstraRoll's Nano-Liquid Silicone Roller?

Nano-Reinforced Matrix for Zero-Pore Perfection: Standard liquid silicone can still have microscopic voids that appear during high-speed wear. AstraRoll integrates nano-scale reinforcement fillers that "clog" the molecular gaps, creating an ultra-dense elastomer matrix. This results in a pore-free surface that can be polished to a mirror-like Ra ≤0.1μm, ensuring no micro-defects are transferred to your optical-grade products.

Enhanced Dimensional Stability & Wear Resistance: Thanks to the nano-filler reinforcement, our rollers exhibit significantly higher tear strength and abrasion resistance compared to standard LSR. This means the roller maintains its precise crown profile and hardness for longer periods, reducing the frequency of re-grinding and downtime in your production line.

Zero-Bleed Platinum Cure for Absolute Purity: For high-end coating applications, any "bleeding" of silicone oil will cause coating "fish-eyes" or adhesion failure. Our Nano-LSR uses a 100% platinum-catalyzed addition-cure system. This creates a fully cross-linked, stable network that will not leach chemicals even under continuous heat of +250℃, keeping your cleanroom environment pristine.

Concurrent Micron Grinding for Perfect Runout (≤0.005mm): High-precision coating requires absolute concentricity to avoid "chatter marks" on the film. We grind the alloy steel core and the nano-silicone layer in a single, synchronized CNC setup. By maintaining a TIR of ≤ 0.005mm, we ensure that the nip pressure remains perfectly constant, delivering a consistent coating thickness across the entire web.

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.