Industrial ESD Silicone Roller for PCB & Semiconductor Cleanrooms
Product Overview:
In semiconductor fabrication and PCB assembly, friction is a silent killer. Standard rubber and plastic rollers generate massive amounts of triboelectric static charge as they rotate against conveyor belts or product webs. When this static discharges into a delicate microchip or display panel, it instantly destroys the circuitry, leading to catastrophic yield losses. Furthermore, standard rollers attract microscopic dust particles like a magnet, contaminating the cleanroom. The AstraRoll Industrial ESD Silicone Roller is engineered to eliminate these hazards. By integrating advanced conductive nanoparticles directly into the silicone matrix, these Anti-Static Semiconductor Cleanroom Rollers provide a safe, continuous path to ground, instantly dissipating static electricity before it can accumulate. Combining exceptional high-temperature resistance, a non-stick surface, and zero particulate shedding, AstraRoll ESD rollers guarantee a sterile, static-free environment for your most sensitive electronic components.
Roll Function: Conveyor Roller, Material Handling
Industry Applications: Industry, New Energy, Electronics
Inquiry Email: sales@astraroll.com
Industrial ESD Silicone Roller for PCB & Semiconductor Cleanrooms Details
The AstraRoll Technical Advantage
Manufacturing a cleanroom-grade ESD roller requires bridging the gap between mechanical elasticity and precise electrical conductivity:
Permanent ESD Stability: Cheaper rollers use topical anti-static sprays that wash off or wear away after a few weeks. AstraRoll integrates conductive nano-powders uniformly throughout the entire silicone matrix. Whether the roller is brand new or worn down by 5mm, the surface resistance remains permanently locked in the safe 10^6 to 10^9 ohm range.
Zero-Carbon Cleanroom Purity: Traditional conductive rubbers use carbon black, which sheds microscopic black dust onto the PCB and contaminates Class 100 cleanrooms. Our advanced silicone formulations are entirely carbon-free, ensuring zero particulate shedding and absolute cleanroom compliance.
High-Temperature Resilience: PCB manufacturing often involves hot-press laminating, UV curing, or soldering ovens. AstraRoll ESD Silicone effortlessly withstands continuous operating temperatures up to 200°C (392°F) without melting, outgassing, or losing its anti-static properties.
Non-Stick Surface Chemistry: Silicone is inherently non-stick. This makes our rollers perfect for handling electronic tapes, OCA (Optically Clear Adhesives) for touch screens, and protective films without sticking to the web or transferring adhesive residue.
Key Specifications
Please note: AstraRoll ESD Silicone Rollers are 100% custom-engineered to your exact automated assembly line specifications and grounding requirements.
Outer Diameter (O.D.): Custom from 20mm up to 250mm+.
Face Length: Custom manufactured from 50mm up to 3,000mm.
Electrical Resistance: Anti-Static (10^6 - 10^9 Ω) or Conductive (10^3 - 10^5 Ω).
Temperature Range: -40°C to +200°C.
Color Options: Black (Standard Conductive), Dark Blue, or Custom.\
TIR (Concentricity Tolerance): CNC ground to ≤ 0.02mm to prevent vibration on delicate wafers.
Why Choose AstraRoll?
1. In-House Conductive Compounding
Achieving the exact 10^6 to 10^9 ohm "Goldilocks" zone of static dissipation is incredibly difficult; if resistance is too high, static builds up; if it is too low, the roller acts as a direct electrical short. By compounding our raw materials in-house, AstraRoll guarantees strict batch-to-batch electrical consistency that third-party rubber suppliers cannot match.
2. Precision Grounding Architectures
An ESD roller is useless if the static cannot escape the metal core. AstraRoll engineers every roller with specialized bearing journals and conductive greases to ensure a continuous, low-resistance electrical bridge from the silicone surface, through the stainless steel core, directly into your machine's grounding chassis.
Frequently Asked Questions (FAQs)
Q: Will the anti-static properties degrade over time or after cleaning?
A: No. Because our conductive agents are vulcanized homogeneously throughout the entire volume of the silicone—not just applied as a surface coating—the anti-static properties are permanent for the physical lifespan of the rubber. Wiping the roller with cleanroom-approved IPA (Isopropyl Alcohol) will not degrade its electrical resistance.
Q: Does this roller leave any chemical residue or silicone oil on the PCBs?
A: AstraRoll utilizes a rigorous post-curing baking process. This secondary high-temperature oven cycle completely burns off any residual unreacted siloxanes (silicone oils) and volatile organic compounds (VOCs). We guarantee a 100% dry, non-migrating surface that will not contaminate your optical lenses, PCBs, or soldering pads.
Q: How do I know whether I need "Anti-Static" or "Conductive" rollers?
A: For 95% of semiconductor and PCB handling, Anti-Static (10^6 to 10^9 ohms) is required. This resistance range slows down the discharge just enough so it dissipates safely without creating a rapid "spark" that could damage components. Conductive (10^3 to 10^5 ohms) is typically only used when the roller acts as a direct electrical contact point in a specific testing or grounding circuit.
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.
