1 Scope
This standard specifies the method of measuring far infrared properties of textiles by far infrared emissivity and temperature rise tests, and gives the evaluation of far infrared properties.
This standard applies to various textile products, including fibers, yarns, fabrics, nonwovens and their products. This standard may also serve as a reference for products made of other materials.
This standard does not involve the evaluation of medical function.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB 6529 Textiles—Standard atmospheres for conditioning and testing
GB/T 8629-2001 Textiles—Domestic washing and drying procedures for textile testing
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
far infrared emissivity
normal far infrared radiation intensity ratio of specimen to standard blackbody plate at the same temperature under specified conditions
Foreword I
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus and tools
6 Test environment and preparation
7 Test procedure
8 Result calculation and evaluation
9 Test report
