Tiêu chuẩn quốc tế
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Số hiệu
Standard Number
ASTM D6645-01
Năm ban hành 2001
Publication date
Tình trạng
W - Hết hiệu lực
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Tên tiếng Anh
Title in English Standard Test Method for Methyl (Comonomer) Content in Polyethylene by Infrared Spectrophotometry
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Chỉ số phân loại Quốc tế (ICS)
By field |
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Số trang
Page 4
Giá:
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Phạm vi áp dụng
Scope of standard 1.1 This test method covers the determination of methyl groups (that is, comonomer content) in polyethylenes by infrared spectrophotometry. The test method is applicable to copolymers of ethylene with 1-butene, 1-hexene, or 1-octene having densities above 900 kg/m³. High-pressure low-density polyethylenes (LDPE) and terpolymers are excluded.1.2 The values stated in SI units, based on IEEE/ASTM S1-10, are to be regarded as the standard.1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.Note 1--There is no similar or equivalent ISO standard.
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