ASTM D4969
Standard Specification for Polytetrafluoroethylene–(PTFE) Coated Glass Fabric
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About This Item
ASTM D4969 is the ASTM standard for polytetrafluoroethylene (PTFE) coated glass fabric, providing a clear technical basis for identifying and specifying this material. It is used to support consistent product selection, procurement, and quality expectations when PTFE coated glass fabric is needed for engineered applications. By defining the standard specification, ASTM D4969 helps buyers, suppliers, and users communicate around the same material requirements and performance expectations.
Purpose of ASTM D4969
The purpose of ASTM D4969 is to establish a specification for PTFE coated glass fabric so the material can be referenced consistently in commercial and technical documents. As an ASTM standard, it gives a common framework for describing the coated fabric and aligning product requirements across supply chains. This matters when comparing materials, setting purchase criteria, or verifying that supplied fabric matches the intended specification for use in demanding service conditions.
Common use cases of ASTM D4969
ASTM D4969 is commonly used when PTFE coated glass fabric is specified for industrial, electrical, or high-performance surface applications where a stable coated fabric is required. It may support purchasing, inspection, and product qualification for materials used in liners, covers, release surfaces, or other engineered fabric products. The standard is especially useful when a project needs a defined specification rather than a generic material description.
Why ASTM D4969 matters
This standard matters because it helps reduce ambiguity in material sourcing and evaluation. Using ASTM D4969 can improve consistency between suppliers, simplify compliance checks, and support quality control during procurement and acceptance. For organizations working with PTFE coated glass fabric, a recognized ASTM specification helps lower risk by making requirements easier to state, compare, and verify. It also supports more reliable communication across design, purchasing, and inspection teams.
- Specification for PTFE coated glass fabric
- Supports consistent material identification
- Useful for procurement and acceptance criteria
- Helps align supplier and buyer expectations
- Referenced for quality and compliance review
- Publication Date: 2022-05-10
- Publisher: ASTM
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