17/07/2026
Dongou takes the lead in drafting China’s first National Standard GB/T 47900-2026 for Polymer Sintered Microporous Membrane Elements, filling a long-standing gap in the microfiltration industry.
Core Highlights:
1. Unified classification & model coding for tubular & flat-sheet membranes.
2. Standardized test methods covering pore size, flux, corrosion resistance, mechanical strength, and more.
3. Tiered performance standards for different membrane materials.
This standard is set to drive quality upgrades and strengthen the competitiveness of China's membrane industry.
With 40+ years of microfiltration expertise, Dongou delivers custom-engineered precision filtration solutions for global industrial partners.
🔗 Read the full story: https://dongoufilter.com/updates-sintered-membrane-national-standard/