Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM D4732-13(2020)
• Năm ban hành / Publication date: 2020
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Standard Specification for Cool-Application Filling Compounds for Telecommunications Wire and Cable
• Chỉ số phân loại Quốc tế (ICS) / By field: 33.120.10 - Cáp đồng trục. Dẫn sóng
• Số trang / Page: 4

Phạm vi áp dụng / Scope of standard

1.1 This specification covers a variety of compounds used for filling the air spaces in telecommunications wires and cables (both electrical and fiber optic) for the purpose of preventing water and other undesirable fluids from entering or migrating through the cable structure. (For related standards see Specifications D4730 and D4731.)

1.2 A cool-application compound is a material that has sufficiently low viscosity that it does not require heating.

1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.