The method specified takes account of the dynamic viscosity of the gas, and therefore the results obtained may not be directly comparable with those obtained by earlier methods. Describes the principle, the apparatus, the test pieces and procedure, the expression of results, and the contents of the test report.
Số hiệu tiêu chuẩn
ISO 8841
Tên tiêu chuẩn
Dense, shaped refractory products; determination of permeability to gases
Ngày phát hành
1991-09-00
Tiêu chuẩn tương đương
DIN 51083-1 (1963), MOD * GB/T 3000 (1999), NEQ * JIS R 2115 (1995-04-01), MOD * JIS R 2115 (2008-11-20), MOD * GOST 11573 (1998), IDT * STN ISO 8841 (1995-09-01), IDT
Tiêu chuẩn liên quan
ISO 6909 (1984)
Thay thế cho
ISO/DIS 8841 (1990-07)
Từ khóa
Gas permeability * Gases * Impermeability * Permeability measurement * Refractory materials * Refractory products * Shaped refractories * Test equipment * Test specimens * Testing * Tests * Tightness * Freedom from holes * Density
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