Johnathan Doe
Founder & CEO
Johnathan Doe
Marketing Head
Johnathan Doe
Finance Head
Firm High Density Sponge Swab
Firm sponge cleanroom swabs with high density 100 ppi polyurethane head and ESD dissipative PP handle. Designed for removing stubborn flux adhesive and solder paste residue. Surface resistance 10⁵–10⁹ ohms. Low particle low ion semiconductor grade. Long handle for deep recess cleaning. Customizable.
We are committed to delivering five‑star service across every product we offer — from responsive support to reliable delivery and beyond. Your satisfaction is our benchmark.
| Head Material | High Density Polyurethane Foam (compressed) |
| Handle Material | Anti static Polypropylene (ESD dissipative) |
| Head Width | 6.1mm |
| Head Thickness | 4.8mm |
| Head Length | 16.5mm |
| Handle Length | 146.5mm |
| Total Length | 163mm |
| Surface Resistance | 10⁵ – 10⁹ ohms (ESD dissipative) |
| Static Dissipation | 99 percent of 5000V in 2 seconds |
| Ionic Content | Chloride ≤0.5 ppm |
| Particle Shedding | ≤70 particles/ml (≥0.5μm) |
| Absorbency | ≥300% |
| Cleanroom Class | ISO Class 5 (Class 100) |
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: