Description
Product Overview
Introducing the CleverDelights Black Rubber Cord, a 0.25 inch (6.35 mm) solid buna rope measuring 25 feet. Crafted from high‑grade rubber with a durometer of 70, it delivers a tensile strength of 1450 psi and excels in environments exposed to gasoline, oils, and grease. The cord’s black color and traditional style make it a discreet yet robust component for a wide range of industrial applications.
![[Product front view showing all components]](https://www.babygearpro.store/wp-content/uploads/2026/06/ac6143a138a84db5884452e857820289.jpg)
Usage
This rubber cord is ideal for O‑ring stock, sealing gaskets, and custom hose assemblies. It performs reliably in automotive workshops, manufacturing plants, and outdoor maintenance where exposure to chemicals and extreme temperatures (-30°F to 250°F) is common. Whether you are a professional mechanic or a DIY hobbyist, the cord’s flexibility and strength simplify installation and ensure lasting seals.
Why Choose Us
Choosing CleverDelights means selecting a product backed by rigorous quality control and a reputation for durability. Each cord is manufactured to exact specifications, guaranteeing consistent diameter and hardness. Our commitment to customer satisfaction includes responsive support and a hassle‑free return policy, ensuring you receive a reliable solution for every project.
Key Features
- High‑grade buna rubber resists gasoline, oil and grease for clean, leak‑free seals.
- Strong 1450 psi tensile rating handles demanding industrial loads.
- Wide temperature tolerance from -30°F to 250°F keeps performance stable in extreme conditions.
- 25‑foot length provides ample material for multiple cuts and custom applications.
- Dedicated customer support and easy returns give peace of mind with every purchase.
FAQ
What is the hardness of this rubber cord?
The cord has a durometer of 70, offering a balance of flexibility and durability for sealing and binding tasks.
Can this cord be used with gasoline or oil?
Yes, the buna compound is specifically formulated to resist gasoline, oils, and grease, making it suitable for automotive and industrial environments.
What temperature range does the cord support?
It performs reliably from -30°F up to 250°F, covering most cold‑weather and high‑heat applications.
Is the cord suitable for creating custom O‑rings?
Absolutely. Its consistent 0.25 inch diameter and solid construction make it an excellent stock material for custom O‑ring fabrication.
How do I contact support if I have an issue?
Our customer service team is available via email and phone; we aim to resolve inquiries within 24 hours and offer a straightforward return process.




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