Tiêu chuẩn quốc tế
|
Số hiệu
Standard Number
ASTM D4662-15
Năm ban hành 2015
Publication date
Tình trạng
W - Hết hiệu lực
Status |
|
Tên tiếng Anh
Title in English Standard Test Methods for Polyurethane Raw Materials: Determination of Acid and Alkalinity Numbers of Polyols
|
|
Chỉ số phân loại Quốc tế (ICS)
By field |
|
Số trang
Page 3
Giá:
Price Liên hệ / Contact us
|
|
Phạm vi áp dụng
Scope of standard 1.1 These test methods measure the acidic and basic constituents in polyols and other materials of high acidity or alkalinity that are soluble in mixtures of toluene and ethyl alcohol. These test methods do not apply to polyethers. (See Note 1.) 1.2 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 known ISO equivalent to this standard. |