3-Inch Transparent Non-Marking Furniture Ice Wheel Swivel Caster

The AstraRoll Technical Advantage

Engineering a caster that looks like glass but performs like industrial polyurethane requires specialized manufacturing:

Crystal-Clear Polyurethane: We utilize a highly refined, hot-cast polyurethane formulation that cures completely transparent. Unlike cheap, clear plastics that become brittle and crack, our PU maintains high elasticity, acting as a shock absorber that dampens vibrations and rolling noise.

100% Floor Protection: The soft but durable polyurethane tread is engineered to be entirely non-marking. It safely glides over delicate hardwood, polished concrete, luxury vinyl tile (LVT), and low-pile carpet without leaving black streaks, scratches, or indentations.

Dual Precision Bearings: A premium caster must roll effortlessly. We integrate sealed precision ball bearings into the central wheel hub to ensure a whisper-quiet roll, and a lubricated ball-bearing raceway in the swivel head for instantaneous, zero-resistance directional changes.

Hair & Debris Resistant: Twin-wheel furniture casters have a central gap that acts as a magnet for hair, string, and carpet fibers, quickly causing the wheel to jam. The AstraRoll Ice Wheel features a sleek, single-wheel design that naturally deflects debris, ensuring long-term, maintenance-free rotation.

Key Specifications

Please note: AstraRoll clear ice casters are available in standard configurations or custom-machined for OEM furniture manufacturers.

Wheel Diameter: 3" (75mm).
Wheel Tread Width: 7/8" (22mm) or 1" (25mm).
Dynamic Load Capacity: 100 lbs to 150 lbs (45 kg to 68 kg) per individual caster.
Wheel Material: High-Purity Clear Polyurethane (PU).
Swivel Radius: Approximately 2.5" to 3" (depending on mounting style).
Stem Options: Standard 5/16"-18, 3/8"-16 threaded, or 11mm x 22mm grip ring (industry standard for office chairs).

Why Choose AstraRoll?

1. OEM Custom Mounting Hardware

For furniture manufacturers and retail fixture builders, standard off-the-shelf stems rarely fit custom designs perfectly. As a factory-direct manufacturer, AstraRoll will CNC-machine the exact threaded stem length, pitch, or top plate dimensions your product requires, ensuring a flawless, wobble-free fit directly on your assembly line.

2. Whisper-Quiet Environments

In medical clinics, libraries, and open-plan corporate offices, the rattling of cheap plastic wheels is a major distraction. AstraRoll calibrates the durometer (hardness) of our clear polyurethane to specifically absorb floor chatter, while our sealed bearings eliminate metal-on-metal squeaking, delivering a completely silent mobility solution.

Frequently Asked Questions (FAQs)

Q: Are these transparent wheels truly safe for expensive hardwood floors without using a plastic chair mat?
A: Yes, absolutely. The clear polyurethane tread is specifically formulated to be non-abrasive and non-marking. It provides a soft, elastic contact point that will not scratch, dent, or scuff hardwood, engineered wood, or laminate flooring, completely eliminating the need for protective floor mats.

Q: Will the clear "ice" material yellow or discolor over time?
A: Standard clear plastics yellow rapidly when exposed to UV light. AstraRoll incorporates advanced UV inhibitors directly into our liquid polyurethane mixture during the casting process. While no clear elastomer is 100% immune to decades of direct sunlight, our formula drastically slows down oxidation, keeping the wheels looking crystal clear for years under normal indoor lighting conditions.

Q: How do I know which mounting stem to order for my office chairs?
A: The global standard for office chair bases (including brands like Herman Miller and Steelcase) is the 11mm x 22mm Grip Ring Stem (often referred to as a friction ring). However, some IKEA chairs use a proprietary 10mm stem. If you are an OEM manufacturer, simply send us your base specifications, and we will mass-produce the exact stem required.

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.