Custom Super Mirror Liquid Silicone Roller for Cast Film Lines

The AstraRoll Custom Super Mirror Liquid Silicone 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: Seamless Super Mirror Liquid Silicone Pressure Roller Matrix

Surface Finish Roughness: Ultra-Smooth Mirror Polish up to Ra≤0.2μm (Pit-Free Guaranteed)

Elastomer Coating Layer: Premium Platinum-Catalyzed Addition-Cure Liquid Silicone (LSR)

Core Base Mandrel: Multi-Tempered Forged 42CrMo Alloy Steel / Heavy-Wall Seamless Tube

Hardness Spectrum: 60 Shore A - 80 Shore A (Maintains perfect symmetrical nip profiles)

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

Thermal Operating Threshold: Continuous, deflection-free operation from -50℃ up to +250℃

Chemical Volatility: Zero Molecule Bleeding / Zero Silicone Oil Migration to Substrates

Electrostatic Resistance: Available with permanent active anti-static compounding (10^6 - 10^9Ω)

Applications

Optical & High-Clarity Cast Film Lines: Serving as the primary backup pressure roller against the main cooling cylinder for high-transparency CPP, CPE, TPU, and EVA solar encapsulation films.

High-Gloss Sheet & Plate Extrusion: Maintaining zero-defect contact compression for technical plastic sheets requiring pristine cosmetic reflection and no orange peel effects.

Optical PET Film Converting: Guiding, protective-nipping, and processing multi-layer functional electronics sheets inside strict Class 100 cleanrooms.

Precision Thermal Lamination: Delivering uniform cross-web contact to bond molten polymers smoothly to metallic foils, avoiding trapped micro-air bubbles.

Why Choose AstraRoll's Super Mirror Liquid Silicone Roller?

Pore-Free LSR Formula for Flawless Mirror Surfaces (Ra≤0.2μm ): Low-end RTV or milled rubbers trap micro-air bubbles that leave small pits on the roller surface, causing lens defects on clear cast films. AstraRoll uses high-purity liquid silicone in a specialized vacuum injection mold. This creates a high-density polymer matrix that can be polished down to a flawless, pit-free Ra ≤0.2μm mirror surface, ensuring perfect optical clarity for your films.

Concurrent Grinding Architecture for Sub-Micron Precision (≤0.005mm): At extreme casting velocities, even a minor variance in roller concentricity creates cyclic pressure waves, leading to uneven film thickness and tracking vibrations. We process our hardened steel cores and the silicone layer together using synchronized CNC cylindrical grinding machines. Restricting the TIR to ≤0.005mm guarantees an ultra-stable nip profile and reliable film gauge control.

Zero-Bleed Platinum Cure Matrix for Contamination-Free Webbing: Standard industrial silicone rollers continuously sweat low-molecular silicone oils when exposed to heat, ruinous for downstream coating or printing adhesion on PET films. Our rollers feature addition-cured liquid silicone with a dense, highly cross-linked polymer network containing no volatile oils. This guarantees zero chemical transfer, keeping your cleanroom line free of contamination.

Permanent Static Dissipation Matrix: High-velocity film extrusion generates massive friction, creating severe static charges that attract airborne debris and risk sparks. Instead of temporary surface sprays, we blend carbon-nanotube conductive compounds directly into the silicone chemical grid. This provides a permanent static dissipation path (10^6-10^9Ω) that never wears off, keeping your line safe, clean, and efficient.

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.