GB 9237-2001
Replaced
T/CRAAS 431.5-2017
Active
Group standards
T/CRAAS 431.5-2017 High-efficiency air filter and filter materials - Part 5: Filter testing methods
T/CRAAS 431.5-2017 High-efficiency air filter and filter materials - Part 5: Filter testing methods
Price:
$ 20.00
Basic Information
Standard Code:
T/CRAAS 431.5-2017
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
Refrigeration technology
Publish Date:
2017-06-01
Implement Date:
2017-09-01
Scope
Main technical content: This part of T/CRAA 431 specifies the test procedures for the filtration efficiency of filters at the most penetrable particle size (MPPS). This part also provides the key points for testing and grading of MPPS filters with a size less than 0.1 μm (Appendix A) and (electrostatic) chemical fiber filter materials (Appendix C). This part is used in conjunction with T/CRAA 431.1, T/CRAA 431.2, T/CRAA 431.3, and T/CRAA 431.4
Development Information
Same series standard
T/CRAAS 431.1-2017 High-efficiency air filter and filter materials - Part 1: Grading, performance testing, labeling
T/CRAAS 431.2-2017 High-efficiency air filter and filter materials - Part 2: Airborne particle generation, measurement equipment, and statistical methods for particle counting
T/CRAAS 431.3-2017 High-efficiency air filter and filter materials - Part 3: Filter paper testing results
T/CRAAS 431.4-2017 High-efficiency air filter and filter materials - Part 4: Filter leak detection - Scanning method
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