Unitek CRP0880 Clean-Write® Cleanroom 3-Ring Binder — White, Solvent-Resistant Cover (1", 2" or 3")
CRP0880 is a cleanroom 3-ring binder for controlled documentation storage (equipment manuals, SOPs, logbooks, batch packets, work instructions, and calibration/PM records) where you want to avoid introducing office-grade binders that can shed debris or trap residues. It is cleanroom packaged and built with a chemical/solvent-resistant polyethylene cover, a transparent overlay on the front and spine for controlled labeling, and a ring mechanism designed for frequent open/close cycles in critical environments.
Published configuration (CRP0880)
- SKU: CRP0880
- Binder type: Three-ring binder with metal rings
- Color: White
- Size options (as listed on SOSCleanroom): 1", 2", 3"
- Cover material (manufacturer technical data sheet): Anti-static 75-gauge high density polyethylene
- Cover gauge note: The product description also references a 55-gauge white polyethylene cover; if cover thickness is qualification-critical, confirm the current production construction before standardizing.
- Front/spine identification: Transparent overlay on front and spine allows insertion
- Hardware: Stainless steel rivets
- Packaging (as listed on SOSCleanroom): Case of 10 binders
- Packaging note (manufacturer technical data sheet): 10/case for standard sizes; 4" size is published by the manufacturer with 6/case packaging (4" not listed as a selectable option on this SOSCleanroom product page).
Low particle and residue control — and the reality check
This binder is designed for cleanroom documentation management with materials intended to reduce contamination risk versus standard office binders. Even so, no documentation accessory is truly zero-shedding in real operations. Treat binders like contamination-controlled components: control how they are introduced, where they are staged, and how they are wiped and dried.
Practical cleanroom use guidance (technicians and engineers)
- Zone control: Keep binders off critical work surfaces. Stage them in a designated documentation zone to reduce residue transfer to benches and fixtures.
- Ring handling discipline: Open rings deliberately and avoid snapping rings shut. Abrupt closure can crease pages, generate paper edge wear, and create loose debris inside the binder.
- Overlay labeling control: Insert only cleanroom-compatible identifiers into the transparent overlay. Avoid paper labels or adhesives that can shed, delaminate, or leave residue.
- Document protection: If pages are removed for use at point-of-work, return them to the binder only after gloves are dry and the pages are free of solvent residue to reduce transfer and smearing on inks.
- Inspection rhythm: Add a quick inspection step: check ring alignment, rivet integrity, and page-edge condition during routine line checks to prevent progressive tearing and debris generation.
Compatibility and wipe-down notes
- Solvent resistance: The binder is described as solvent resistant and the cover is described as chemical resistant. Specific chemical compatibility (IPA/DI water/disinfectants) is not published for CRP0880; qualify under your site chemicals and dwell times before standardizing.
- Wipe-down technique: Wipe the closed binder first, use controlled saturation (not dripping), and allow full dry time before opening to avoid wicking into paper edges and to reduce residue transfer.
- Hardware attention: Dry the ring area and rivet points after wipe-down. Standing moisture at metal interfaces is a common driver of residue and corrosion in aggressive cleaning programs.
- Avoid abrasive wipes/tools: Abrasion can scuff covers and increase particulate generation. Use approved cleanroom wipes and non-scratching techniques consistent with your SOP.
Typical performance characteristics
No quantitative mechanical or electrostatic performance values (surface resistivity, charge decay, abrasion metrics, etc.) are published for CRP0880 in the available manufacturer binder technical data sheet. Use this section as a qualification checklist for your internal validation plan.
| Property |
Typical value |
Test method (as published) |
| Surface resistivity / ESD behavior |
Not published |
Not stated |
| Abrasion/scuff resistance |
Not published |
Not stated |
| Chemical compatibility list |
Not published |
Not stated |
Typical contamination characteristics
No quantitative contamination test values (particles, ionic extractables, residues) are published for CRP0880 in the available manufacturer binder technical data sheet. Cleanroom packaged construction and material selections are intended to support controlled-environment documentation programs.
| Property |
Typical value |
Test method (as published) |
| Particles |
Not published |
Not stated |
| Ionic extractables |
Not published |
Not stated |
| Non-volatile residues (NVR) |
Not published |
Not stated |
Common failure modes
- Residue buildup on cover: Common when binders are handled with solvent-wet gloves or staged near spray-and-wipe activities. Prevent by enforcing dry-glove discipline and wiping only in designated wipe-down areas.
- Ring misalignment / page tearing: Often caused by overfilling, forcing rings, or snapping rings closed. Prevent with correct binder capacity, deliberate ring closure, and routine alignment checks.
- Paper edge dusting: Driven by frequent insert/remove cycles and rough handling. Prevent by minimizing unnecessary page movement and using tab dividers/sectioning to reduce handling time.
- Static attraction of fines: In low humidity, polymer covers can attract dust/fines. Prevent by following site ESD controls and avoiding rubbing covers against garments.
- Hardware corrosion or staining: Can occur if aggressive chemistries are used without full dry time. Prevent by drying ring/rivet areas after wipe-down and qualifying chemical compatibility before deployment.
Storage and handling best practices
- Keep binders in original cleanroom packaging until introduced into the controlled area.
- Store closed to reduce particulate deposition on internal surfaces and documents.
- Avoid stacking with metal tools, clips, or abrasive hardware that can scuff covers and generate debris.
- Do not stage binders under active chemical spray zones; control wipe-down location, chemistry, and dry time per SOP.
Documentation
SOSCleanroom product page (Unitek Cleanroom Binder, 3-Ring — CRP0880):
Click HereManufacturer product page (Cleanroom Binders, 3-Ring — CRP0880):
Click HereManufacturer technical data sheet (Clean-Write Binder, CRP0880-Size):
Click HereManufacturer overview (Clean-Write Stationery):
Click HereManufacturer reference (Cleanroom classifications overview):
Click Here
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