Tiêu chuẩn quốc tế

Số hiệu

Standard Number

ASTM D7191-18
Năm ban hành 2018

Publication date

Tình trạng A - Còn hiệu lực

Status

Tên tiếng Anh

Title in English

Standard Test Method for Determination of Moisture in Plastics by Relative Humidity Sensor
Chỉ số phân loại Quốc tế (ICS)

By field

83.080 - Chất dẻo
83.080.01 - Chất dẻo nói chung
Số trang

Page

4
Giá:

Price

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Phạm vi áp dụng

Scope of standard

1.1 This test method covers the quantitative determination of water down to 20 ppm in plastics using a relative humidity sensor. 1.2 Values stated in SI units are to be regarded as standard. 1.3 Specimens tested in this test method can reach or exceed 250°C, use caution when handling them after testing has completed. 1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Note 1: There is no known ISO equivalent to this standard. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.