Berkshire CHNW61220, Choice 600 Nonwoven Wiper, 12"x12", Case of 3,000
Berkshire CHNW61220, Choice 600 Nonwoven Wiper, 55% Cellulose / 45% Polyester, 12" x 12", Case of 3,000
The Berkshire Choice 600 12" x 12" is a thermally bonded nonwoven cleanroom wiper constructed from a 55% cellulose / 45% polyester blend, offering the same low-lint performance as the 9" x 9" CHNW60920 in a larger format for applications requiring broader surface coverage per wipe. The higher polyester content (45% vs. 40% in the Choice 500) produces a tighter, more uniform fiber structure that sheds fewer particles during use — making the Choice 600 the appropriate specification when lint control is the primary requirement in an ISO Class 5–8 environment. Thermal bonding eliminates chemical binders, making the Choice 600 compatible with IPA, acetone, and most common cleanroom cleaning agents without risk of extractable contamination.
MTE Solutions stocks the CHNW61220 in cases of 3,000 sheets (150 wipes per pack, 20 packs per case). The 12" x 12" format is appropriate when wiping tasks involve larger surface areas — equipment enclosures, benchtops, or tool housings — where a 9" x 9" wiper would require multiple passes. For the same wiper in 9" x 9" format, see the CHNW60920. For the 4" x 4" format, see the CHNW60440. For higher absorbency in the 12" x 12" format, see the Choice 500 (CHNW51220).
Specifications
| Attribute | Detail |
|---|---|
| Part Number | CHNW61220 |
| Brand | Berkshire |
| Series | Choice 600 |
| Size | 12 in x 12 in |
| Material | 55% Cellulose / 45% Polyester (Nonwoven) |
| Bonding | Thermally Bonded (No Chemical Binders) |
| ISO Classification | ISO Class 5 – ISO Class 8 (Class 100 – Class 100,000) |
| Pack Quantity | 150 wipes per pack |
| Case Quantity | 3,000 sheets (20 packs) |
| Wipe Type | Dry |
| Chemical Compatibility | IPA, acetone, most common cleanroom solvents |
| Application | Large surface low-lint wiping, equipment enclosures, benchtops, ISO Class 5–8 |
Frequently Asked Questions
When should I choose the 12x12 over the 9x9 Choice 600?
Choose the CHNW61220 when your wiping tasks involve larger surface areas — equipment enclosures, benchtops, or tool housings — where a 9" x 9" wiper would require multiple passes. For standard bench-level or component cleaning, the 9" x 9" CHNW60920 is more practical and cost-effective per case.
What is the difference between the Choice 600 and the Choice 500 in 12x12?
The Choice 600 (CHNW61220) is 55% cellulose / 45% polyester — higher polyester content gives it lower lint generation. The Choice 500 (CHNW51220) is 60% cellulose / 40% polyester — higher cellulose content gives it better absorbency. Choose the 600 when lower lint is the primary requirement; choose the 500 when absorbency is more important.
What does “thermally bonded” mean and why does it matter?
Thermally bonded means the fibers are fused together using heat rather than chemical adhesives or binders. The absence of chemical binders means there are no extractable compounds that could leach into your process or react with solvents — making the Choice 600 broadly chemically compatible with IPA, acetone, and most common cleanroom cleaning agents.
What ISO cleanroom class is the Choice 600 rated for?
The CHNW61220 is rated for ISO Class 5 through ISO Class 8 environments (equivalent to Federal Standard 209E Class 100 through Class 100,000).
How many wipes come in a case of CHNW61220?
Each case contains 3,000 wipes — 150 wipes per pack, 20 packs per case.
Can the Choice 600 be used with IPA or other solvents?
Yes. The thermally bonded construction with no chemical binders makes the Choice 600 broadly compatible with isopropyl alcohol (IPA), acetone, and most common cleanroom solvents.
