# NBR (Nitrile Butadiene Rubber) Solid Round Rubber Rod – Available in Various Diameters and Lengths

**Material: NBR (Nitrile Butadiene Rubber) – Please refer to the supplier’s final material confirmation**

**Color: Black**

**Diameter: 1.5–200 mm**

**Length: 100 mm–10 m**

**Package Quantity: 1 piece**

## I. Product Overview

This product is a solid, round rubber rod available in a variety of diameters and lengths. It is suitable for use as a raw material for rubber processing, an auxiliary sealing component, or a general-purpose cushioning accessory, provided that the dimensions and material properties meet your specific requirements.

Featuring a solid, circular cross-section, these rods can be selected in the diameter and length that best suit your needs. Please note that flexibility, bending characteristics, and processing methods may vary depending on the specific dimensions.

When made from NBR (Nitrile Butadiene Rubber), the material typically offers a degree of resistance to certain mineral oils and lubricants, making it suitable for the fabrication of industrial components—provided that material compatibility and installation conditions are appropriate.

This product is a raw rubber material or semi-finished product; it is not certified to meet any specific professional sealing standards, pressure ratings, or requirements for specialized environmental conditions. ## II. Product Specifications

| Product Parameter | Detailed Specification |
|---|---|
| Product Name | Black Solid Rubber Round Rod |
| English Name | NBR Rubber Rod / Solid Rubber Cord |
| Material | NBR (Nitrile Butadiene Rubber) – *to be verified* |
| Color | Black |
| Shape | Round |
| Cross-section | Solid circular cross-section |
| Nominal Diameter Range | 1.5–200 mm |
| Length Range | 100 mm–10 m |
| Measurement Standard | Metric |
| Package Quantity | 1 piece |
| Sales Options | Available in various diameters and lengths |
| Hardness | Not specified; please refer to actual product documentation |
| Temperature Range | Not specified; please refer to actual material documentation |

**Specification Notes:**

Available diameters and lengths are subject to the specific product variants listed. Not all diameter options are available in every length.

If the product is intended for use in applications requiring high dimensional precision, please verify the actual diameter and length tolerances beforehand.

## III. Key Product Features

### 1. Solid Circular Structure

Designed with a solid circular cross-section; there are no internal hollow channels or voids.

Suitable for use as a general-purpose rubber rod, cord, or as raw material for further processing. Performance in specific applications will depend on the actual dimensions, hardness, and material formulation.

### 2. NBR (Nitrile Rubber) Characteristics

When the material is confirmed as NBR (Nitrile Butadiene Rubber), it typically offers a degree of oil resistance. Depending on the specific formulation, it may be suitable for environments involving contact with mineral oils, lubricants, or greases.

Performance may be affected by the type of oil, operating temperature, and the duration of exposure.

Please consult the supplier’s material information to confirm suitability for your specific application.

### 3. Wide Range of Diameters

Available in a variety of diameters, ranging from 1.5 mm to 200 mm. Thinner specifications are suitable for applications requiring flexible round rods, while thicker specifications can be used for general-purpose rubber pads or circular components, provided they meet the necessary hardness and performance requirements.

Products of different diameters may vary in terms of weight, flexibility, and cutting methods.

### 4. Multiple Length Options

The product is available in various lengths, currently ranging from 100 mm to 10 m.

You may select the appropriate length for your specific needs to minimize unnecessary material waste.

Some larger-diameter specifications may only be available in shorter lengths; please refer to the actual sales options for details.

### 5. Suitable for Further Processing

With the use of appropriate tools and proper techniques, these rubber rods can be cut or fabricated into various general-purpose rubber components.

The final processing outcome depends on factors such as material hardness, the type of tools used, the cutting method, and the target dimensions.

For parts requiring high precision or complex shapes, specialized professional processing methods should be employed.

### 6. Elastic Properties

Rubber materials typically possess a degree of elasticity and deformability.

Under appropriate installation conditions, they can be used to create cushioning components, contact gaskets, or auxiliary sealing materials.

Actual resilience, compression set, and load-bearing performance must be verified based on specific material properties; they cannot be determined solely by the designation "NBR."

### 7. Black Appearance

The product features a black appearance, making it suitable for general-purpose applications that require black, circular rubber material.

Actual color and surface texture may vary slightly depending on the production batch and lighting conditions during photography.

## IV. Typical Applications

The following scenarios are provided as general usage guidelines. Before actual application, please verify dimensions, material compatibility, and mechanical performance requirements.

### 1. General-Purpose Sealing Components

Provided that the material properties, cross-sectional dimensions, and installation conditions meet the requirements, rubber rods of an appropriate diameter can be used to fabricate basic auxiliary sealing components.

For equipment requiring pressure resistance or long-term sealing integrity, the design and material of the finished component must be thoroughly validated.

### 2. Auxiliary Components for Mechanical Equipment

Depending on specific requirements, these rods can be used to create non-critical rubber spacers, auxiliary cushioning elements, or general-purpose contact components. This product should not be considered a specialized mechanical component with defined strength or load-bearing capacity.

### 3. General Industrial Rubber Processing

It may serve as a raw material for the fabrication of certain rubber products or the prototyping of parts.

Suitability for turning, cutting, or other machining processes should be evaluated based on the specific hardness, dimensions, and available equipment.

### 4. Auxiliary Components in Contact with Lubricating Oils

If the material is confirmed to be an NBR (nitrile rubber) formulation compatible with the specific oil in question, it may be considered for use in non-critical rubber components that come into contact with lubricating oils.

Oil resistance must be assessed based on the specific rubber formulation, the type of oil, operating temperature, and duration of contact.

### 5. DIY and Crafting

It may be used for general DIY projects, model components, rubber spacers, or other non-safety-critical applications, provided the dimensions are appropriate.

Ensure the use of suitable processing tools and verify that the finished item meets your intended requirements.

### 6. Replacement of Non-Critical Components

When replacing existing rubber parts, verify the dimensions, hardness, material type, contact media, and operating environment.

Identical dimensions do not guarantee that the material properties are the same as those of the original component.

## V. Prohibited or Discouraged Use Cases

To prevent improper material selection, this product—lacking specific performance testing and certification—is not recommended for the following applications:

### 1. Direct Contact with Food or Drinking Water

Without certification for food or drinking water contact, this product should not be used for components that come into direct contact with food, nor for use in drinking water systems or food service equipment.

### 2. Medical or Human-Contact Applications

In the absence of medical-grade, biocompatibility, or other necessary certifications, this product must not be used as a material for specialized medical devices or safety-critical medical components.

### 3. High-Pressure and Safety-Critical Sealing

It is not recommended for use—without prior validation—in high-pressure hydraulic systems, high-pressure gas systems, pressure vessels, or any sealing application where a leak could pose a serious risk.

Such applications may require specific rubber formulations, hardness levels, pressure resistance, and specialized sealing designs. ### 4. Vehicle Braking Systems

It is not recommended for use in automotive hydraulic braking systems or other safety-critical braking components without prior verification of material compatibility and suitability.

Certain types of brake fluid are not compatible with standard NBR (nitrile rubber) for long-term contact.

### 5. Environments with Intense, Prolonged Sunlight or Ozone

Standard NBR may have limited resistance to ozone and long-term outdoor aging.

Without specific validation, it is not recommended for use as a critical sealing material in environments characterized by intense, prolonged sunlight, high ozone levels, or other demanding outdoor conditions.

### 6. Environments with Strong Solvents or Specialized Chemical Media

Do not use in environments containing acetone, certain ketone-based solvents, or other chemical media that may compromise the properties of the rubber, unless material compatibility has been verified.

### 7. Extreme Temperature Environments

In the absence of a specified operating temperature range, it is not recommended for use in specialized conditions such as sustained high temperatures, extremely low temperatures, or rapid temperature cycling.

### 8. Load-Bearing and Critical Structural Support

This product is not certified for structural load-bearing applications; it should not be used as a primary load-bearing or structural support component for vehicles, industrial equipment, or building structures.

### 9. Specialized Electrical Insulation

Without testing for insulation performance and electrical safety, this product should not be used as a high-voltage insulating material or in any other critical application with specific electrical safety requirements.

## VI. Selection Guidelines

Please verify the following parameters before purchase:

**Diameter**

Select based on the available installation space, machined dimensions, or the dimensions of the target component.

**Length**

Select based on the required quantity, ensuring that the chosen length accounts for any necessary machining allowance.

**Material**

If the product will come into contact with oils, chemicals, or other specialized media, confirm the exact material type and its properties with the supplier.

**Hardness**

Rubber hardness affects flexibility, deformation characteristics, and machinability. For applications with specific hardness requirements, please obtain the actual hardness specifications before making a purchase.

## VII. Package Contents

Black solid rubber rod × 1 piece. The diameter and length of the items supplied will correspond to the specific specifications selected by the buyer at the time of purchase.

Unless otherwise stated on the product page, this item does not include cutting tools, adhesives, connectors, or other processing accessories.

If you require longer lengths, please confirm the actual length, packaging method, and whether the item will be supplied as a single continuous piece before placing your order.

## VIII. Important Purchase Notes

1. Please verify the required diameter and length before purchasing to avoid issues with product incompatibility due to misunderstandings regarding dimensions.
2. This product is made of rubber; the level of flexibility may vary depending on the diameter and the specific material formulation.
3. Standard manufacturing and measurement tolerances may apply; for precision-critical applications, please confirm tolerance requirements in advance.
4. The black appearance and surface texture may vary slightly depending on the production batch and lighting conditions during photography.
5. For specialized requirements—such as resistance to oils, temperature extremes, or chemical agents—please assess suitability by referring to the supplier’s material data.
6. This product is not certified for food-grade or medical-grade use, nor does it carry specific pressure ratings or specialized safety certifications.
7. When cutting or processing, please use tools appropriate for rubber materials and ensure proper protective measures are taken.
8. This item is supplied solely as raw material according to the selected specifications; it is not a finished, ready-to-install seal or component for specific equipment.

Please select the appropriate dimensions and material specifications based on your actual application requirements.