Tiêu chuẩn quốc tế
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Số hiệu
Standard Number
ASTM D6099-08
Năm ban hành 2008
Publication date
Tình trạng
W - Hết hiệu lực
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Tên tiếng Anh
Title in English Standard Test Method for Polyurethane Raw Materials: Determination of Acidity in Moderate to High Acidity Aromatic Isocyanates
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Chỉ số phân loại Quốc tế (ICS)
By field |
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Số trang
Page 3
Giá:
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Phạm vi áp dụng
Scope of standard 1.1 This test method determines the acidity, expressed as parts per million (ppm) of HCl, in aromatic isocyanate samples of greater than 100-ppm acidity. The test method is applicable to products derived from toluene diisocyanate and methylene-bis-(4-phenylisocyanate) (see Note 1). Note 1 - This test method is equivalent to ISO 14898, Test Method A.
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