5 manufacturing defects to watch out for

In Extruded Rubber Profiles

Rubber extrusion is a popular manufacturing process used to create a wide range of rubber products, such as seals, gaskets, and hoses. However, even with careful planning and execution, defects can occur during the extrusion process. These defects can affect the performance and appearance of the final product. In this blog, we will discuss five common manufacturing defects to watch out for in extruded rubber profiles

Surface imperfections

Surface imperfections, such as scratches, bumps, and pits, can occur during the extrusion process. These defects can affect the appearance of the final product and may also lead to functional problems, such as leaks or reduced sealing capabilities.

Dimensional Inaccuracies

Dimensional inaccuracies occur when the final product does not meet the specified dimensions. This can happen due to a variety of reasons, including inaccuracies in the extrusion process, variations in the raw materials, or issues with the die design.

Poor Wall Uniformity

Wall thickness uniformity is critical for ensuring the proper performance of an extruded rubber profile. When wall thickness is not uniform, the final product may have weak spots or may not fit properly in its intended application.

Incomplete Curing

Incomplete curing occurs when the rubber material is not fully cured during the extrusion process. This can result in the final product being soft or sticky, which can affect its functionality and durability.


Contamination can occur during the extrusion process when foreign materials, such as dust or debris, are introduced into the rubber material. Contamination can affect the performance and appearance of the final product, and can also cause issues such as reduced adhesion or premature wear.

To avoid these manufacturing defects, it is important to work with an experienced rubber extrusion manufacturer who can identify and address these issues. By choosing a reliable manufacturer and keeping an eye out for these common defects, you can ensure that your extruded rubber profiles meet the highest quality standards and perform as intended.

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