Slide-Fix™ PAP Jar Screw Caps — HDPE, Lavender, 1000/Bag (300-3531-L20)
These Slide-Fix™ PAP jar screw caps are molded from high-density polyethylene (HDPE) and designed as replacement or spare closures for compatible PAP jar containers used in cytology and histology specimen handling. Supplied non-sterile in a bulk 1000/Bag format, part number 300-3531-L20 is well suited for high-volume laboratory environments that cycle through large quantities of jar closures. The lavender color supports quick visual identification and color-coded specimen management workflows.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number (MPN) | 300-3531-L20 |
| Product Line | Slide-Fix™ PAP Jar Screw Caps |
| Closure Type | Screw Cap |
| Material | High-Density Polyethylene (HDPE) |
| Color | Lavender |
| Sterility | Non-Sterile |
| Pack Size | 1000/Bag |
| Country of Origin | USA |
Applications
- Replacement closures for PAP jar containers used in cytology specimen fixation
- Histology and pathology labs requiring high-volume jar cap replenishment
- Color-coded specimen organization and workflow differentiation in anatomic pathology
- General laboratory container closure where an HDPE screw cap is appropriate
- Bulk stocking programs for clinical and research laboratories processing large specimen volumes
Material & Chemical Resistance
High-density polyethylene (HDPE) offers broad general chemical resistance, including good compatibility with aqueous solutions, dilute acids, dilute bases, and many common laboratory fixatives and buffers. HDPE is more rigid than low-density polyethylene and provides a reliable seal in screw-cap applications. Note that HDPE is not recommended for autoclaving, and compatibility with concentrated oxidizing acids or aromatic and halogenated solvents should be verified before use.
Quality & Procurement
Made in USA, Caplugs® Evergreen Slide-Fix™ PAP jar screw caps are manufactured under ISO 9001 quality management from BPA-free, phthalate-free, latex-free resin. LabSupplies.com is an authorized dealer and ships from USA inventory, typically same business day for stocking items, with tiered pricing available for institutional and grant-funded laboratories.
Frequently Asked Questions
Are these screw caps sterile?
No — the caps are supplied non-sterile in 1000/Bag bulk packaging, which is standard for cytology and histology fixation workflows that do not require sterile closures.
Will these caps fit any PAP jar, or only specific containers?
These caps are designed for use with Slide-Fix™ PAP jar containers. Fit depends on thread size and jar diameter; confirm compatibility with your specific jar before ordering in bulk.
Is HDPE suitable for use with common cytology fixatives?
HDPE generally exhibits good resistance to aqueous fixative solutions and many common laboratory reagents. However, compatibility with any specific fixative formulation should be verified, particularly for concentrated or solvent-based preparations.