Your Trusted OEM Sealing Partner
Maxmold specializes in the development and production of FFKM and FKM rubber seals for high-performance applications across the semiconductor, chemical, pharmaceutical, and precision equipment industries. With decades of engineering experience, we manufacture custom rubber o-rings and sealing components that withstand extreme temperatures, aggressive chemicals, and mission-critical conditions.
Our core focus lies in delivering precision-molded FFKM and FKM seals that meet the quality, stability, and durability expected in world-class applications.
Maxmold specializes in the development and production of FFKM and FKM rubber seals for high-performance applications across the semiconductor, chemical, pharmaceutical, and precision equipment industries. With decades of engineering experience, we manufacture custom rubber o-rings and sealing components that withstand extreme temperatures, aggressive chemicals, and mission-critical conditions.
Our core focus lies in delivering precision-molded FFKM and FKM seals that meet the quality, stability, and durability expected in world-class applications.
Expertise in FFKM and FKM Elastomer Seal Manufacturing
Maxmold is a Taiwan-based manufacturer committed to excellence in fluoroelastomer seal production. Our full in-house capabilities allow us to:
Maxmold is a Taiwan-based manufacturer committed to excellence in fluoroelastomer seal production. Our full in-house capabilities allow us to:
- • Formulate and customize FFKM compounds with exceptional chemical resistance and heat stability
- • Develop high-precision molds for complex or high-volume geometries
- • Manufacture FKM and FFKM o-rings and seals with tight tolerances and repeatable quality
- • Provide full material testing and quality certification (COA, TGA, FTIR, DSC)
Why choose Maxmold?
High-Purity FFKM Compound Development
We develop our own FFKM elastomer compounds, including ultra-clean, low-outgassing grades for semiconductor use, and chemical-resistant grades for corrosive media.
Stable and Scalable Manufacturing
From small-batch prototyping to high-volume production, Maxmold ensures consistency across every run. Our molding processes include vacuum compression molding, flashless production, and continuous vulcanization
Mold Engineering and Flexibility
We offer more than 3000 available tooling with support for custom geometries. Standard mold libraries help reduce lead time and startup costs.
Competitive Total Cost
Our FFKM o-rings are engineered to match the performance of well-known brands such as Kalrez® 6375 or Chemraz® 505 — with a smarter price and faster delivery.
Our Manufacturing Facilities
Maxmold operates production bases in Tainan and Hsinchu, Taiwan, with:
• Dedicated FFKM and FKM compounding and molding lines
• Integrated QC labs equipped with TGA, FTIR, DSC, and automated dimensional testing
• Flexible support for custom colors, hardness, and tolerances
Consistency
For decades, MAXMOLD® has maintained an unwavering commitment to excellence, dedicating our efforts solely to the production of precision fluorocarbon rubber and perfluoroelastomer O-Ring seals. This unwavering focus has allowed us to perfect our manufacturing processes and deliver consistent, high-quality products to our valued customers worldwide.