Describes two methods: 1. Determination through complete hose wall. Used in connection with pricked covers. 2. Determination through the hose inner lining and the reinforcement. Used in connection with an unpricked cover, i.e. gas usually issues from the textile reinforcement at the cut ends. Applicable only to test gases insoluble in water, e.g. alkanes, alkenes and freons. Other test gases can be included. - Technical revision of the first edition (ISO 4080:1978).
Số hiệu tiêu chuẩn
ISO 4080
Tên tiêu chuẩn
Rubber and plastics hoses; Determination of gas permeance
Ngày phát hành
1987-12-00
Tiêu chuẩn tương đương
BS 5173 Section 103.11 (1989-01-31), IDT * BS 5173-103-103.11 (1989-01-31), IDT * TS 6100 (1988-11-01), IDT * NEN-ISO 4080 (1990), IDT
Từ khóa
Flexible pipes * Gas permeability * Gases * Plastics products * Rubber products * Testing * Tests * Hoses * Permeabilty testing
ISO 4080
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