Tiêu chuẩn quốc tế
Số hiệu
Standard Number
ASTM D1282-96(2005)
Năm ban hành 2005
Publication date
Tình trạng
W - Hết hiệu lực
Status |
Tên tiếng Anh
Title in English Standard Test Method for Resistance to Airflow as an Indication of Average Fiber Diameter of Wool Top, Card Sliver, and Scoured Wool
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Chỉ số phân loại Quốc tế (ICS)
By field |
Số trang
Page 8
Giá:
Price Liên hệ / Contact us
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Phạm vi áp dụng
Scope of standard 1.1 This test method covers the estimation of the average fiber diameter of wool fibers by use of the Port-Ar, and the WIRA Fiber Fineness Meter instrument, which operate on the air-flow principle. Other air-flow instruments have not been tested with this method. The method is directly applicable to non-medullated, carded wool and wool top. 1.2 This test method is applicable to grease wool and scoured wool after the samples of such materials have been prepared as directed in Test Method D 2130. Note 1-The use of the Micronaire instrument for measuring the fineness of cotton fibers is covered in Test Method D 1448. The assignment of grade for wool and mohair is covered in Specifications D 3991 and D 3992.
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