Industry Benchmark: OPERFECT™ PVEK-R70 Breathable Membrane Achieves SGS Class W1 Certification

Company News

[Jinan, China – March 2026] —— United Perfect Group, a global leader in high-performance building materials, is proud to announce that its flagship brand, OPERFECT™, has reached a new pinnacle in quality excellence. Our PVEK-R70 Breathable Membrane has officially passed the rigorous water penetration resistance testing conducted by SGS, the world’s leading testing, inspection, and certification company (Report No.: SHIN2602000542CM01_EN ).

The technical evaluation, conducted in accordance with the stringent European standards EN 13859-1:2014 and EN 1928:2000 (Method A), confirmed the following outstanding performance metrics:

Highest Waterproof Rating: The PVEK-R70 successfully achieved the Class W1 designation, the premier classification for water penetration resistance in the industry.
Extreme Condition Testing: The membrane demonstrated zero leakage during a 2-hour exposure under a 200mm water column.
Zero-Penetration Performance: All tested specimens passed with a “No Water Penetration” result, ensuring maximum protection for building envelopes.

“This SGS certification is a testament to our unwavering commitment to technical precision,” stated the spokesperson for Jinan United Perfect Building Materials Corporation. “By aligning our products with top-tier international standards, we provide our global partners—from large-scale contractors to regional distributors—with the confidence to build more durable and energy-efficient structures.”

Guided by our corporate vision, “To Make Buildings Perfect, together,” United Perfect Group continues to bridge the gap between advanced manufacturing and market-leading profitability for our clients worldwide.