Screw Cap for 13mm Vial 13-425 Solid

$1.00

Keep your samples completely secure with the 13-425 Solid Top PP Screw Cap from vialshop.com. Engineered specifically for standard 13mm neck storage vials, this closed-top cap is molded from high-purity polypropylene (PP) for exceptional resistance against solvents, acids, and alkalis. Its precision 13-425 threading delivers a tight, leak-proof seal that prevents sample evaporation and airborne contamination during long-term storage or transport.

The 13-425 Solid Top Screw Cap from vialshop.com provides a compact, airtight sealing solution for 13mm threaded laboratory and chromatography storage vials. Crafted from durable, chemically inert polypropylene (PP), this solid (closed-top) cap creates a complete seal to protect valuable chemical reagents, biological samples, and standards against degradation, leakage, and ambient moisture.

Ideal for analytical laboratories, research facilities, and chemical packaging, this cap ensures consistent performance and dependable sample integrity.

Key Features

High-Grade Polypropylene (PP): Provides broad chemical compatibility and high resistance to organic solvents, acids, and bases.
Solid (Closed-Top) Protection: Fully covers the vial neck to prevent sample evaporation, oxidation, and airborne contamination.
Precision 13-425 Threading: Designed for seamless thread alignment and an airtight, leak-proof fit on standard 13mm neck vials.
Textured Knurled Grip: Vertical ridges around the cap wall make it easy to tighten or open manually, even while wearing laboratory gloves.
Compact & Durable: Resists cracking and structural warping under standard laboratory storage conditions.

Technical Specifications

Feature	Specification
Product Type	13-425 Solid Top Screw Cap
Cap Size / Thread	13mm (13-425 thread finish)
Cap Style	Closed Top / Solid Top
Material	Polypropylene (PP)
Compatibility	Standard 13mm neck vials & bottles
Grade	Standard Laboratory & Industrial Grade

Common Applications

Analytical Sample Storage: Safely seals small-volume liquid samples, reference standards, and HPLC/GC fractions.
Chemical Reagents & Solvents: Keeps volatile compounds locked in without risking vapor loss or solvent degradation.
Sample Transport & Archiving: Ensures leak-proof containment during transit between lab facilities or extended shelf storage.