Optical Lab Supplies: Nylon Mounting Cord, Dispensers and Protection Pads
Optical lab supplies are the everyday consumables that keep a finishing and mounting bench moving — the nylon mounting cord that secures lenses in semi-rimless and nylon-supra frames, the refillable dispensers that keep that cord organized at arm's reach, and the silicone protection pads that shield frames during rimless screw assembly. Whether you run a full wholesale lab, an in-office finishing bench, or a busy dispensary that mounts its own jobs, these small parts are what stand between a clean, fast turnaround and a stalled workstation.
We stock these lab supplies the way a finishing tech actually uses them: multiple cord profiles and gauges on the shelf, dispensers you refill rather than replace, and protection pads sized for real assembly work. As a US-based provider — not a drop-ship reseller — we supply these consumables alongside the edgers, tracers, and finishing equipment we sell and service in-house, backed by our own spare-parts department and US warranty support. That means the same team that keeps your bench running also keeps it supplied.
How to choose optical lab supplies
- Match the cord profile to the frame: Nylon mounting cord comes in different cross-sections — figure-8 (8-shape), T-shape, and round suspension cord. The profile has to seat properly in the frame's groove or channel, so identify the mount style before you order.
- Get the diameter right: Cord that is too thick will not seat, and too thin lets the lens shift or drop. Keep a range of gauges on hand — fine cords in roughly the 0.45 to 0.6mm range for delicate grooved lenses, heavier T-profile cord up to 2.0mm for larger channels.
- Consider nylon quality and memory: Good mounting nylon holds its breaking strain and resists heat-related weakening during installation. Consistent, quality cord means fewer callbacks from lenses that pop out or cords that snap shortly after mounting.
- Choose refillable dispensing: A refillable dispenser lets you top up wire as you use it instead of discarding a spool, keeping the bench tidy and your most-used gauges within reach. Match empty dispensers to the refill cord you stock.
- Protect frames during assembly: Silicone protection pads shield frames from scratches during rimless screw assembly and other delicate handling. Sized correctly, they save far more in redone or replaced frames than they cost.
- Stock the full range: Finishing jobs vary by frame and prescription, so the labs that run fastest keep several cord profiles, multiple gauges, spare dispensers, and protection pads on the shelf rather than reordering one item at a time.
Compare the lineup
A quick reference to the nylon mounting cord, dispensers, and protection pads in this category and where each one fits on the finishing bench.
| Model | Type | Best for |
|---|---|---|
| NYL-1000 | Figure-8 (8-shape) nylon cord, ~0.5 to 0.6mm | Standard semi-rimless and nylon-supra lens mounting |
| NYL-1000B | Fine-gauge figure-8 nylon cord, ~0.45 to 0.6mm | Delicate or thin grooved lenses needing a finer cord |
| NYL-1000T | T-shape nylon cord, 0.9 to 2.0mm range | Grooved mounts that seat a T-profile; widest gauge choice |
| NYL-1000U | Round suspension cord, 1.2mm | General suspension-style semi-rimless mounting |
| NYL-3002 | Refillable empty wire dispenser | Organizing and dispensing nylon cord at the bench |
| COV-1000 | Silicone protection pad, 95 x 40mm | Protecting frames from scratches during rimless assembly |
Frequently asked questions
What are optical lab supplies like nylon mounting cord used for? Nylon mounting cord (also called supra cord or suspension wire) holds lenses in semi-rimless and nylon-supra frames. The cord seats into a groove cut around the lens edge, securing the lens without a full rim. Dispensers keep that cord organized at the bench, and silicone pads protect frames during rimless screw assembly.
How do I choose the right nylon wire diameter? Match the cord to the frame's groove: too thick will not seat, too thin lets the lens shift or drop. Fine gauges around 0.45 to 0.6mm suit delicate grooved lenses, while heavier T-profile cord runs up to 2.0mm for larger channels. Most labs keep several gauges on hand and cut the cord at a steep angle to start it in the groove.
What is the difference between figure-8, T-shape, and suspension cord? They are different cross-sectional profiles. Figure-8 (8-shape) cord is the common choice for standard semi-rimless mounts, T-shape cord seats into a T-profile channel and comes in the widest gauge range, and round suspension cord is a general-purpose option. The right one depends on how the specific frame is grooved or channeled.
Are the nylon wire dispensers refillable? Yes. The NYL-3002 is an empty, refillable dispenser — you fill it with the gauge of nylon cord you use most and top it up as needed rather than discarding a spool. This keeps the bench organized and your working cord within reach.
Do you service the edgers and finishing equipment that use these supplies? Yes. We are a US-based provider with an in-house technical and repair department and a dedicated spare-parts operation, and our finishing equipment carries US warranty and service. The same team that supplies your consumables can support the edgers, tracers, and mounting tools they work with.


