JJF 2299-2025 Active National Metrology Technical Specifications JJF

JJF 2299-2025 Calibration Specification for Particle Filtering Efficiency Testers of Masks

JJF 2299-2025 Calibration Specification for Particle Filtering Efficiency Testers of Masks

Publish Date: 2025-09-08 Implement Date: 2026-03-08 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us
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Basic Information

Standard Code: JJF 2299-2025
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: -
ICS Name: -
Publish Date: 2025-09-08
Implement Date: 2026-03-08
Pages: 32 pages

Scope

This specification applies to the calibration of particle filtration efficiency detectors for masks (protective clothing, filter materials) designed based on the principle of light scattering.

Development Information

Word Count: 35 Thousand words Pages: 32 pages

Referenced Standards

Related Standards

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