Sunpass Launches Upgraded Graphite PTFE Gland Packing for Global Industrial Sealing Markets

Ningbo, Zhejiang, China – April 14, 2026 – SUNPASS SEALING TECHNOLOGY (ZHEJIANG) CO., LTD., a leading 45-year professional manufacturer of industrial sealing and thermal insulation products, today announced the official launch of its upgraded Graphite PTFE Gland Packing (Black PTFE Gland Packing). Designed for extreme industrial operating conditions, this new product delivers exceptional chemical resistance, high-temperature stability and long service life, addressing critical sealing challenges across oil & gas, chemical processing, power generation and other core industries.

Product Highlights: Engineered for Harsh Industrial Environments

Sunpass’s Graphite PTFE Gland Packing is manufactured using premium graphite-impregnated PTFE yarns, combining the inherent non-stick and chemical-resistant properties of PTFE with the excellent thermal conductivity and lubricity of expanded graphite. Key performance advantages include:

• Broad Chemical Compatibility: Resists nearly all corrosive fluids, acids, alkalis and solvents, making it an ideal cost-effective alternative to expensive FFKM seals in most chemical applications
• Superior Temperature Resistance: Operates reliably across a wide temperature range, suitable for both high-temperature process lines and moderate cryogenic conditions
• Low Friction & Anti-Wear: Minimizes shaft wear and equipment maintenance costs, perfect for slow-moving piston and valve stem applications
• Excellent Compression Set Resistance: Eliminates cold flow issues common with solid PTFE seals, ensuring consistent sealing performance over extended service intervals

Trusted Quality Backed by 45 Years of Industry Expertise

Founded in 1979, Sunpass operates a 12,000㎡ modern production facility with over 20 specialized production lines. The company’s Graphite PTFE Gland Packing undergoes rigorous quality control processes, including incoming material inspection, in-process quality checks (IPQC) and finished product testing by a team of 8 dedicated quality inspectors with over 5 years of experience. All products have passed SGS certification, and the company holds ISO 9001 quality management system certification.

“Our new Graphite PTFE Gland Packing is the result of decades of technical innovation and customer feedback,” said a spokesperson for Sunpass. “As a trusted OEM/ODM partner for renowned global sealing brands, we understand the critical importance of reliable sealing in industrial operations. This product delivers the performance our customers demand at a competitive price point.”

Global Availability & Customization Services

Sunpass’s Graphite PTFE Gland Packing is now available to customers in over 100 countries and regions worldwide. The company offers full customization services, including custom sizes, cross-sections and performance formulations to meet specific application requirements. With ample inventory and efficient logistics, Sunpass guarantees fast delivery times, shipping up to 8 full containers per month globally.

Contact Us

SUNPASS SEALING TECHNOLOGY (ZHEJIANG) CO., LTD

Tel: +86-19975243639

Website: www.sunpass.cn

Email: SALES@SUNPASS.CN