PYREX No. 13 PTFE Standard Taper Keyhole Laboratory Stopper Color-Coded 7630-13

The PYREX No. 13 PTFE Standard Taper Keyhole Stopper is designed to provide secure and reliable sealing for compatible laboratory flasks and glassware. Manufactured from chemically resistant polytetrafluoroethylene (PTFE), it features a precision tapered design and an orange colour-coded key for easy identification. Its durable, reusable construction makes it suitable for chemical, pharmaceutical, medical, and research laboratories. Key Features & Specifications - Brand: PYREX (Corning) - Product Code: 7630-13 - Product Type: Standard Taper Keyhole Laboratory Stopper - Stopper Number: No. 13 - Material: Polytetrafluoroethylene (PTFE) - Colour Code: Orange - Design: Keyhole Stopper - Shape: Standard Taper - Overall Height: Approximately 30.7mm - Length of Ground Zone: Approximately 14.7mm - Height Above Ground Joint: Approximately 11.4mm - Chemical Resistance: Excellent resistance to a broad range of laboratory chemicals - Sealing Function: Provides a secure fit in compatible laboratory glassware - Compatibility: Laboratory flasks and glassware with compatible No. 13 standard taper joints - Identification Feature: Colour-coded key for convenient size identification - Reusable: Yes, subject to appropriate cleaning and inspection - Quantity per Pack: 2 pieces - Quantity per Case: 6 pieces - Applications: Laboratory flask sealing, chemical processing, reagent handling, sample preparation, and pharmaceutical research - Suitable For: Medical laboratories, pharmaceutical laboratories, chemical laboratories, universities, and research institutions