EPDM O-Ring Cord Stock: Customizable Sealing Material for Precision Applications
Yunli Technology offers high-quality EPDM O-ring cord stock, a versatile and durable material designed for fabricating custom O-rings and seals in various industrial and commercial applications. This specialty cord stock combines the excellent weather resistance, thermal stability, and chemical compatibility of EPDM rubber with the flexibility of user-friendly cord form, enabling manufacturers and engineers to produce precision seals tailored to specific requirements. The EPDM O-ring cord stock is ideal for on-site fabrication, prototyping, and small-to-medium production runs where standard-sized O-rings may not be readily available or suitable.
Manufactured through an advanced extrusion process, our EPDM cord stock ensures consistent diameter, smooth surface finish, and uniform cross-sectional properties. The material performs reliably across a wide temperature range (–50°C to 150°C) and exhibits strong resistance to ozone, UV exposure, water, steam, and many polar solvents. Available in multiple diameters and lengths, the cord stock can be easily spliced and vulcanized to form seamless O-rings, gaskets, and other custom seals with professional-grade integrity.
Key Features:
Superior ozone, UV, and weather resistance
Consistent dimensions and smooth surface finish
Excellent compression set and recovery properties
Resistant to hot water, steam, and mild chemicals
Available in various diameters and cut lengths
Typical Applications:
Custom O-ring and seal fabrication
Maintenance, repair, and operations (MRO)
Prototyping and low-volume production
Plumbing, HVAC, and automotive systems
Electrical enclosures and industrial equipment
Yunli Technology's EPDM O-ring cord stock is produced under strict quality control standards, including dimensional checks, durometer testing, and material property validation. Each batch is certified to meet industry specifications such as ASTM D2000 and ISO 3302. Our team provides comprehensive technical support, including guidance on cord selection, splicing techniques, and vulcanization best practices.
Whether for in-house seal fabrication or specialized repair needs, our EPDM cord stock delivers performance, flexibility, and cost efficiency. Contact us today to discuss your requirements or request a sample.
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Brand Name
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Flexnite
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Product name
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Rubber O-Ring
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Material type
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NBR FKM HNBR FFKM EPDM CR Silicone ,etc.
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Certification
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ISO9001 CE REACH ROSH
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Hardness
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30°-90°shore A
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Colour
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Custom Color
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Size
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Custom Size
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Mould type
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Stifle
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Package
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Plastic bag, carton outside
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Applications
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Machinery, mining, agriculture, home appliances, railroads, etc.
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Company Profile
Certifications
FAQ
Q1: Are you trading company or manufacturer?
A: We are manufacturer.
Q2: What's your MOQ?
A: Normally it's 500 meters for one size and one color.
Q3: What's your output?
A:100,000 meters per week
Q4: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. And for mass production it takes 15-20 days.
Q5: May I have samples ? is it free or extra?
A: Yes, we are happy to explore new product with our customers. If the sample need to be customized, please contact us. For the
regular item, we supply 3-5meters samples for free. And customer pay the sample freight only.
Q6: What colors can you do?
A:Black, grey, brown, white are our normal colors, other colors need recheck.
Q7: What is your terms of delivery?
A:EXW.FOB.CFR.CIF,DDU.etc.
Q8: Can you produce according to the samples?
A:Yes.we can produce by your samples or technical drawings.
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