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Agnes Gianni

Comparing Natural and Synthetic Rubber Threads: Pros and Cons

Rubber threads are essential components in various products, ranging from clothing and medical supplies to industrial applications. These threads provide the necessary stretch and recovery properties that make fabrics more functional and comfortable. Rubber threads can be made from either natural or synthetic rubber. Each type has distinct advantages and disadvantages, making them suitable for different applications.


This article compares natural and synthetic rubber threads, examining their pros and cons to help you make informed decisions for your projects.


Sap extracted from a rubber tree

fahroni / Freepik


Natural Rubber

Natural rubber comes from the sap extracted meticulously from rubber trees (hevea brasiliensis) by cutting its bark and containing the flowing sap in a bowl stuck on the bottom. The milky substance known as latex is known for its high tensile strength, high resiliency, and superior adhesive strength. Beyond these features, natural rubber is also known for its efficacy as an electrical insulator and resistance to corrosive substances.


They possess a unique molecular structure known as the polymer chain that helps rubber return to its original state, an ideal material for high-traffic and high-activity items such as rubber gloves, tires, fashion, and more. Another advantage of rubber is its biodegradability. Hauled from nature, natural rubber decomposes in well-aerated moist soils over a year or longer, depending on the state of its environment.


On the other hand, natural rubber might not have the best heat and chemical resistance because of its molecular structure. Natural rubber may melt when exposed to high temperatures (over 180°C) and harsh chemicals. This material requires extensive vulcanization to harden and increase its physical properties. Because of the labor-intensive process of harvesting and processing latex, it’s no wonder that natural rubber has become more expensive.


Grey colored rubber thread stack

Documentation of PT Cilatexindo Graha Alam


Synthetic Rubber

Synthetic rubber is made from petroleum byproducts, elastane or lycra, polyester, nylon, and several other chemicals that are synthesized into specific polymers on an industrial scale. Man-made rubber is designed to mimic or enhance the properties of natural rubber. Producing synthetic rubber can be precisely controlled, allowing it to be used for varying degrees of stretch, strength, and resistance for multiple applications.


Unlike natural rubber, most synthetic rubber is highly resistant to environmental factors such as UV radiation, ozone changes, and other chemicals. This makes them the perfect material for wetsuits, shoe soles, wire insulation, seals and gaskets, and chemical-protective garments.


A big downside to synthetic rubber is its significant environmental footprint. Synthetic rubber is typically made using petroleum, a non-renewable source that harms the earth. While synthetic rubber is resistant to changes in the environment, it lacks the natural softness and breathability of natural rubber. This may lead to discomfort during extended wear and offer limited elasticity.

Both natural and synthetic rubber threads offer unique advantages and face specific challenges. Natural rubber possesses superior strength, and elasticity, and is biodegradable, but is limited by susceptibility to environmental degradation. On the other hand, synthetic rubber provides extended durability, consistency, and versatility, though it comes with great environmental concerns and lower comfort levels.


For more information on rubber threads that offer superior elasticity and comfort, visit Omnimax by PT Cilatexindo Graha Alam (www.omnimax.id).

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