ASTM E911
Standard Specification for Glass Stopcocks with Polytetrafluoroethylene (PTFE) Plugs
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- Language: English
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About This Item
ASTM E911 is the ASTM standard for glass stopcocks with polytetrafluoroethylene (PTFE) plugs, offering a clear specification for this type of laboratory glassware component. It helps define expectations for design and suitability so buyers, users, and suppliers can align on a consistent product reference. By focusing on the interface between glass bodies and PTFE plugs, the standard supports better product comparison, procurement decisions, and quality control for stopcocks used in controlled laboratory applications.
ASTM E911 standard overview
The Standard Specification for Glass Stopcocks with Polytetrafluoroethylene (PTFE) Plugs addresses a common laboratory component where smooth operation and material compatibility matter. ASTM E911 provides a technical basis for identifying stopcocks built with a glass body and PTFE plug arrangement, which is commonly chosen for chemical resistance and reliable sealing performance. This makes the standard useful when evaluating products for consistency, interchangeability, and compliance with recognized laboratory specifications.
Where is ASTM E911 used?
ASTM E911 is typically used in laboratory and technical environments where glass stopcocks are selected for fluid control in glass apparatus, analytical setups, or related equipment. The standard is relevant when PTFE-plug stopcocks are being specified, purchased, or inspected as part of glassware assemblies. It may also support documentation and supplier communication for organizations that need a defined reference for stopcock construction and expected product characteristics.
Practical importance of ASTM E911
In practice, ASTM E911 helps reduce uncertainty when comparing glass stopcocks from different suppliers or when setting purchasing requirements. A recognized specification supports more consistent evaluation of product quality, compatibility, and intended use. For laboratories and procurement teams, that can simplify ordering, improve interchangeability, and support internal compliance processes. ASTM E911 is therefore useful as a shared technical reference for product review and acceptance decisions.
- Glass stopcocks with PTFE plugs
- Laboratory glassware specifications
- Product consistency and acceptance
- Procurement and quality control reference
- Publication Date: 2021-02-02
- Publisher: ASTM
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