Description
Extra-Thick Sulfur-Free Nitrile Finger Cots
Nitrile Rubber Finger Cot
Non‑chlorinated · Sulphur‑Free · Antistatic
🧤 Material: Nitrile Butadiene Rubber (NBR)✂️ Form: Cut Type🔬 Powder Free & Silicone Free
Dimensional Specifications
| Size | XS | S | SM | M |
|---|---|---|---|---|
| Internal Diameter (mm) | 13.5 | 15.0 | 16.5 | 18.0 |
📏 Common dimensions (all sizes): Thickness 0.15 ± 0.03 mm (measured at center) | Length 50 ± 3 mm
Physical & Electrical Properties
🔗 Elongation at Break
> 600 %
ASTM D412
💪 Tensile Strength
> 13 MPa
ASTM D412
⚡ Surface Resistivity
1010 – 1011 Ω/sq
ASTM D257 (Average)
ESD safe for sensitive components
✅ Surface Resistivity verified per ASTM D257 — stable range 10¹⁰ – 10¹¹ Ω/sq
Standard Packing
📦 Primary packaging:Antistatic Bag (ESD safe)
📊 Quantity per bag:500 pieces
📦 Bags per carton:20 bags
➤ Total per carton : 10,000 finger cots
Packed in clean, anti-static environment · Suitable for cleanroom & ESD areas
Key Features & Advantages
Powder Free
YUFENG uses a specifically formulated technology to create a powder free product without the chlorination process. Eliminates particulate contamination risk.
Chlorine Free
The process of non-chlorinated surface reduces the oxidation of metals caused by the chlorine ions — ideal for metal-sensitive assemblies.
Sulfur Free
A sulfur free manufacturing process prevents sulfur contamination which causes oxidation on high precision metal components.
Latex Free
NBR (Nitrile Butadiene Rubber) finger cots reduces the skin irritation but differs in individuals and depending on application conditions. Hypoallergenic alternative to latex.
Silicone Free
YUFENG does not contain Silicone which may cause improper electrical circuits on electronic components. Critical for PCB & semiconductor handling.
Anti Static (ESD Protection)
The surface resistivity reading is 1010 ~ 1011 Ohms/square, suitable for handling ESD sensitive components or assemblies. Provides controlled static dissipation without insulating tribocharge.
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