
Epichlorohydrin Rubber Permeability: CO vs ECO for Fuel Systems
Learn why epichlorohydrin rubber offers low fuel-vapor permeability, how CO and ECO differ, and how to select elastomers for fuel hose, seals…
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Company news, brand updates, product announcements and business milestones from YQXPOLYMER.
Focused on CSM and epichlorohydrin rubber for demanding industrial applications.
Latest update August 20, 2026
YQXPOLYMER has launched a redesigned global website and refined brand identity focused on Chlorosulfonated Polyethylene (CSM) and Epichlorohydrin Rubber (CO, ECO, GECO and PECO). The new platform combines products, applications, material selection, technical resources and direct technical support…
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Selected CSM and epichlorohydrin rubber guides from the YQXPOLYMER technical library.

Learn why epichlorohydrin rubber offers low fuel-vapor permeability, how CO and ECO differ, and how to select elastomers for fuel hose, seals…
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Compare CO, ECO, and GECO epichlorohydrin rubber by polymer structure, permeability, fuel resistance, flexibility, dynamic sealing, and typical applications. Learn how to…
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Learn why solution viscosity and Mooney viscosity in CSM rubber measure different properties and how to use them correctly when selecting CSM…
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YQX-CSM-30H is positioned as a high-Mooney chlorosulfonated polyethylene (CSM) grade for industrial rubber processing, particularly where a customer is evaluating higher-viscosity CSM…
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CSM grade selection should not be based on grade number alone. Chlorine content, viscosity, physical form and intended processing route all influence…
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Chlorohydrin Rubber vs NBR vs EPDM vs FKM: Complete Elastomer Selection Guide How Engineers Choose the Right Rubber Material for Fuel, Oil,…
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Official YQXPOLYMER company announcements and business updates.





Sep 14, 2024
When will the bright moon appear? With a cup of wine, I ask the clear sky. I wonder in the celestial palace above, What year…
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