Head length: 17mm
Head width: 6.8mm
Head thickness: 2.8mm
Handle width: 3.2mm
Handle thickness: 3.2mm
Total length: 160mm
Specification: 100 pieces/package
The SW-857B is a fine tip precision cleanroom swab with a knitted polyester fiber head, constructed for cleaning tasks that require both a narrow contact profile and controlled solvent delivery in semiconductor manufacturing, optical instrument maintenance, and precision electronics assembly environments.
The swab head measures 17mm in length, 6.8mm in width, and 2.8mm in thickness, with a fine tip geometry that concentrates cleaning contact on small target areas such as electronic component pin gaps, optical lens edges, and bond wire regions on semiconductor packages. The polyester fiber structure is lint-free and generates low particle counts during wiping, supporting compliance with cleanroom cleanliness requirements in production and rework operations.
The knitted polyester material demonstrates strong chemical resistance against IPA, acetone, and other solvents routinely used in electronics cleaning and optical surface preparation. The fiber construction maintains integrity under repeated solvent exposure without shedding, and the low NVR characteristic ensures that surfaces remain free of residue deposits after cleaning solvent evaporates. The swab also undergoes antistatic treatment, making it safe for use on electrostatic discharge-sensitive components including bare die, MEMS devices, and high-impedance sensor assemblies.
The polypropylene handle is 160mm in total length — notably longer than most standard cleanroom swabs — which provides extended reach for cleaning inside equipment housings, deep connector recesses, and enclosed optical instrument channels without requiring tool disassembly. The 3.2mm width and thickness maintain rigidity over the extended length, preventing handle flex during wiping.
This swab is applied in the semiconductor industry, PCB manufacturing, optical cleaning, precision electronics production, and medical device maintenance. Use cases include pin gap cleaning on IC packages, optical lens cleaning, fiber optic component preparation, sensor cleaning, and hard-to-reach area cleaning in assembled instruments. Each package contains 100 pieces.
Suzhou Zhuojing Dust-free Technology Co., Ltd. is a specialized manufacturer dedicated to the research, development, production, and sales of dust-free cleaning cotton swabs, dust-free wipers, dust-free wipping papers and various dust-free anti-static consumables.
We are China SW-857B Fine Tip Precision Fiber Polyester Cleanroom Swab suppliers and OEM/ODM SW-857B Fine Tip Precision Fiber Polyester Cleanroom Swab company.Our team comprises a group of engineering technicians engaged in the development of dust-free products and highly skilled marketing personnel, ensuring the quality of our products and our sales services. Our clientele spans across the nation, and we also provide OEM services to international peers in the same industry.
Our factory is equipped with cleanrooms ranging from Class 10 to Class 1000, and we have introduced advanced global dust-free cleaning equipment. The cleaning process utilizes ultra-pure water with a purity of up to 18 mega-ohm, ensuring that all dust-free products undergo production within a controlled environment. They are then vacuum-sealed to maintain their cleanliness before being delivered to our customers. Our specialized dust-free production, washing, and drying processes guarantee that our products meet high standards of cleanliness.
We are committed to the field of dust-free and anti-static technology, offering a range of services including the design, manufacturing, sales, OEM cooperation, and production and sales of SW-857B Fine Tip Precision Fiber Polyester Cleanroom Swab and other various anti-static clean products. Our SW-857B Fine Tip Precision Fiber Polyester Cleanroom Swab are widely used in industries such as semiconductors, microelectronics, integrated circuits, precision instruments, aerospace, and pharmaceuticals.
At our company, customer needs are always important, and we pay more attention to our customers' needs. We are continuously striving for high technology and high quality, which are our goals. Developing new products and promoting new services are the driving forces behind our development. Honesty, integration, responsibility, and innovation are the guiding principles of our business philosophy.
Adhering to the quality policy of "scientific management, quality-oriented continuous improvement, and customer satisfaction," we are eager to collaborate with clients both domestically and internationally. We look forward to your partnership as we work together towards a bright future.
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