Desco 66469 Statfree T2 Plus Dissipative Dual Layer Rubber Roll, Green, 30" X 40' X .060"
Desco 66469 — Statfree T2 Plus Dissipative Dual Layer Rubber Roll, Green, 30" × 40' × .060"
The Desco 66469 Statfree T2 Plus is a dissipative dual layer rubber roll for custom-cut ESD worksurface installations, workbench covering, and large-area EPA surfacing. The 30-inch width is ideal for standard single-operator bench configurations. The two-layer construction delivers a dissipative top surface for safe contact with ESD-sensitive devices and a conductive bottom layer for grounding and ESD monitor compatibility. Replaces the discontinued Desco 66121.
Key Specifications
| SKU / Part Number | 66469 |
| Series | Statfree T2 Plus |
| Color | Green |
| Dimensions | 30 in × 40 ft × .060 in |
| Format | Roll (custom-cut to length) |
| Top Layer Resistance (Rtt) | Dissipative: 1 × 10⁶ to <1 × 10⁹ Ω |
| Bottom Layer Resistance (Rtt) | Conductive: <1 × 10⁶ Ω |
| Material | Nitrile rubber (oil resistant compound) |
| Compliance | ANSI/ESD S20.20, ANSI/ESD S4.1, RoHS compliant |
| Replaces | Desco 66121 |
| Origin | Made in USA |
Key Features
- 30" Width for Standard Bench Configurations: 30-inch width fits standard single-operator production bench setups. 40-foot roll allows cutting to any required bench length.
- Dissipative Top Layer: Meets ANSI/ESD S20.20 worksurface required limits and ANSI/ESD S4.1 recommendations. Does not generate static charge; controls discharge rate from ESD-sensitive devices on the surface.
- Conductive Bottom Layer: Low-resistance path to ground enables use with ESD workstation continuous monitors and reduces Rtg from top surface to grounding point.
- Nitrile Rubber Oil-Resistant Compound: Resists oil absorption, maintaining electrical and physical properties through service life. Suitable for solder workstations with flux and chemicals.
- UV Stabilizer Additives: Preserves color retention and ESD performance; prevents surface cracking and deterioration over time.
- Laser Engraved Identification: ESD protective symbol, specifications, and manufacturer information on the bottom layer for product identification and EPA auditing.
- Replaces Desco 66121.
- RoHS Compliant. Made in USA.
Frequently Asked Questions
Is the Desco 66469 a direct replacement for the Desco 66121?
Yes. The Desco 66469 Statfree T2 Plus is the suggested replacement for the discontinued Desco 66121. It delivers equivalent dual layer dissipative/conductive rubber roll performance with the improved nitrile rubber compound and UV stabilizers of the T2 Plus series.
How do I ground a T2 Plus rubber roll installation?
The T2 Plus roll must be grounded to dissipate ESD charges. Connect a mat grounding cord from the groundable snap or conductive bottom layer to a common point ground at the workstation. For long bench runs, use multiple grounding points to ensure consistent Rtg across the full surface. Verify grounding with a surface resistance meter after installation.
Can the T2 Plus roll be cut to a custom length?
Yes. The roll format is designed for cutting to any required bench length with standard utility or mat cutting tools. Cut edges do not affect ESD performance of the remaining material.
