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Marketing Head
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Finance Head
ESD Wrist Strap – 1 MΩ Grounding Cord
ESD wrist strap resistance range tested. Daily grounding wrist strap test data, common failures, and compliance checklists. Real numbers from 200+ field audits. Use your wrist strap correctly.
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This ESD wrist strap provides continuous grounding for operators working on sensitive electronic assemblies. The built-in 1 MΩ resistor protects against accidental shock while bleeding static charge below 0.5 mA. Each unit is tested before shipment for band resistance, cord continuity, and total system resistance (0.8–1.2 MΩ).
Best for: PCB assembly lines, semiconductor test floors, cleanroom repair stations, field service kits, and any EPA where HBM-sensitive devices (<1000 V) are handled.
Key Specifications
| Parameter | Value |
|---|---|
| System resistance (band + cord) | 0.8 – 1.2 MΩ (meets ANSI/ESD S20.20) |
| Band resistance (point‑to‑point) | ≤ 10 kΩ |
| Cord resistance (excluding 1 MΩ) | ≤ 1 Ω |
| Cord length | 6 ft (1.8 m) coiled, stretches to 10 ft |
| Cord type | Coiled polyurethane, tangle‑resistant |
| Snap type | 4 mm (standard), nickel‑plated brass |
| Clip | Stainless steel alligator, teeth for bare metal grip |
| Band material | Elastic nylon with silver‑plated nylon conductive yarn |
| Band length | Adjustable: fits wrist circumference 150–210 mm (6″ – 8.5″) |
| Band width | 19 mm (0.75″) |
| Operating temperature | 0 – 50°C |
| Cleanroom compatible | Yes (non‑shedding fabric, no exposed carbon) |
| RoHS compliant | Yes |
Quality Assurance – Real Test Data
Each production batch of this ESD wrist strap undergoes the following tests:
| Test item | Sample size | Acceptance criteria | Our batch result (last 10 batches) |
|---|---|---|---|
| Band resistance (point‑to‑point) | 5 per batch | ≤ 10 kΩ | Median: 5.2 kΩ, max: 7.8 kΩ |
| Cord resistance (without resistor) | 10 per batch | ≤ 1 Ω | Median: 0.3 Ω, max: 0.7 Ω |
| System resistance (band+cord) | 20 per batch | 0.8 – 1.2 MΩ | Median: 0.98 MΩ, range: 0.89–1.06 MΩ |
| Tensile strength (snap to cord) | 3 per batch | >50 N pull | Pass (62–71 N) |
| Flex cycle (cord at snap) | 2 per batch | 10,000 cycles | No open circuit after 15k cycles |
All test data is retained for 5 years and can be provided as a batch‑specific Certificate of Analysis (COA).
Customer Reviews
Our clients from semiconductor, pharmaceutical, medical device, and aerospace industries trust our cleanroom wipers for consistent performance, high absorption, and low particle generation. Here’s what they have to say.
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We have broken down the core products and actual test data into a clear, at-a-glance comparison table across six industries (semiconductor wafers, OLED panels, precision optics, biopharmaceuticals, automotive electronics, and new energy batteries). The table includes the wiper or cleanroom consumable model for each industry, key physical parameters (particle shedding, water absorbency, ionic residues, etc.), and applicable compliance standards (SEMI, GMP, IATF 16949, ISO 10993, etc.)
Industry Resources: