Our Products
Cleanroom nitrile gloves
BestSky Nitrile Cleanroom Gloves are 12 inch, 4.0 mil, powder-free nitrile gloves made in a controlled cleanroom in Vietnam. One glove in two cleanliness grades, both ESD safe, with a full document set on every order.
SPECIFICATION
BestSky Nitrile Cleanroom Gloves, 12 inch, 4.0 mil
Figures are from the BestSky Glove Technical Data Sheet, version 10/2026/REV3.
Cleanliness and static control
| Parameter | Class 1000 | Class 100 |
|---|---|---|
| Particle count (per cm², ≥0.5 µm) | < 3,000 | < 1,200 |
| Triboelectric charge test, voltage | ≤ 20 V | ≤ 20 V |
| Resistivity | 10⁵ – 10¹⁰ Ω/sq | 10⁵ – 10¹⁰ Ω/sq |
Extractable ion limits (µg/cm²)
| Ion | Class 1000 | Class 100 |
|---|---|---|
| Fluoride | 0.080 | 0.030 |
| Chloride | 3.000 | 1.200 |
| Bromide | 0.125 | 0.050 |
| Nitrate | 2.500 | 1.000 |
| Phosphate | 2.000 | 0.800 |
| Sulphate | 2.000 | 0.800 |
| Sodium | 0.100 | 0.050 |
| Magnesium | 0.006 | 0.004 |
| Zinc | 0.050 | 0.050 |
| Ammonium | 0.020 | 0.020 |
| Calcium | 0.400 | 0.400 |
| Potassium | 0.100 | 0.050 |
Dimensions
| Size S | Size M | Size L | Tolerance | |
|---|---|---|---|---|
| Weight | 4.4 g | 4.8 g | 5.2 g | ± 0.25 g |
| Length | 305 mm | 305 mm | 305 mm | ± 5 mm |
| Width | 85 mm | 95 mm | 105 mm | ± 5 mm |
| Thickness, cuff | 0.060 mm | 0.060 mm | 0.060 mm | ± 0.015 mm |
| Thickness, palm | 0.070 mm | 0.070 mm | 0.070 mm | ± 0.015 mm |
| Thickness, finger | 0.100 mm | 0.100 mm | 0.100 mm | ± 0.015 mm |
Physical properties
| Property | Limit |
|---|---|
| Force at break, before aging | ≥ 7 N |
| Elongation, before aging | ≥ 500 % |
| Force at break, after aging | ≥ 7 N |
| Elongation, after aging | ≥ 500 % |
Material, packaging and storage
- Material – nitrile (NBR), powder-free, free of natural rubber latex protein
- Amide, DOP, titan and silicone – N/A
- Packaging – 100 gloves per poly bag, 10 bags per carton, 1,000 gloves per carton
- Shelf life – 3 years from date of manufacture
- Storage – dry area, away from direct heat and sunlight
- Country of origin – Vietnam
Standards and certificates
- Reference standards – IEST-RP-CC005.4, EN 374-2:2014, EN 374-5:2014
- ISO 9001:2015 and ISO 14001:2015 – manufacturing facility, issued by BVQA, valid to 10 May 2028
- CE, Category III – EU type examination under PPE Regulation 2016/425, issued by SATRA (Notified Body 2777), expires 14 Jun 2028
- Test report – EN ISO 374-2 air and water leak: Pass; EN ISO 374-5 virus protection: Pass (SATRA, 14 Aug 2025)
These certificates and reports were issued to our manufacturing partner. Copies are provided with a quotation.
Documents supplied with every order
- Technical Data Sheet
- Safety Data Sheet
- Testing and Certification Summary
- Certificate of Origin (Vietnam)
- Certificate of Conformance
- Invoice, packing list and bill of lading
Not supplied as a sterile glove, a medical device or a food-contact article unless separately agreed and documented.