Can Silicone Rubber Become Toxic?

See why silicone rubber is used in such a wide range of products.

From household appliances to pharmaceuticals, silicone rubber is a durable elastomer that can last a lifetime. But is it safe to use in the long run? This blog will explore the toxicity levels of silicone and why it’s super safe to use in many products.

How Toxic is Silicone Rubber?

Silicone rubber is a material that is extremely environmentally friendly. It is more sustainable and less toxic than plastic, so it’s the substance of choice for manufacturers and builders. 

In fact, cured silicone rubber is classified as chemically stable, with experts confirming the material is safe and likely not toxic. 

But what about silicone rubber over time? Does it eventually become toxic? Luckily, silicone rubber resists normal oxidative deterioration. Studies have shown that silicone can retain its powerful properties and thrive for many decades, regardless of challenges like extreme weather conditions and chemical exposure. 

When it comes in contact with food, water, heat, cleaning products or certain chemicals, silicone rubber will not react or produce any toxic fumes. 

Currently, there are no recorded health hazards linked to silicone rubber. This makes silicone a necessity for industries like health care, early years, food and construction, which need non-toxic materials to meet specific standards.

Silicone Rubber Lifespan

The shelf-life of silicone rubber is a long one. In fact, it is one of the most durable materials on the market. 

Silicone rubber has a unique molecular structure, rendering it resistant to most compounds. It can also withstand extreme temperatures, both hot and cold. Naturally chemical resistant, this versatile elastomer can outlast most plastics and latex-based products.

Sustainability is another reason to choose silence rubber over anything else. This is because it’s abrasion resistant, making it an enduring, planet-friendly material that doesn’t need replacing regularly. 

Industries That Use Silicone Rubber

Numerous companies and corporations require toxic-free rubber materials for products. Industries like medicine, pharmaceutical, toys, food and drink have strict regulations to meet before being brought to market. Using silicone extrusions is an easy way for them to meet tight health and safety quotas while manufacturing high-quality products to be used for years to come.


Cured silicone extrusions are a must for medical and pharmaceutical equipment. Medical-grade materials must be hygienic, chemical-resistant, waterproof, biocompatible and easily manufactured. That’s why silicone rubber is widespread in the medical industry, used for products like prosthetics, orthotics, dental equipment, diagnostics and drug dispensing.


The automotive sector needs extruded silicone for sealing and protection. In addition, vehicles have had a power boost over the years, creating higher heat and chemical production. The only material to withstand these conditions is silicone rubber, which delivers strength, durability and resistance like no other. Completely synthetic and inert, silicone rubber won’t react to any of these elements and will maintain its properties for long periods. 

Children’s Products

In recent years, parents are opting for silicone-based toys over plastic. Thanks to its toxic-free and stable properties, it resists reactions to water, weather and human touch. This is extremely important regarding children’s products like pacifiers, bottle tops and toys, which are placed into infants’ mouths, ensuring they are kept safe from harmful chemicals. 

Food & Home

The food industry is highly regulated. The good news? The FDA has approved silicone rubber as entirely safe to use. Food is 100% safe for consumption thanks to non-porous, toxic-free, hygienic, odourless, durable and stable silicone. Food and drink silicone applications include food transfer tubing, Tupperware, utensils, cake moulds, packaging, and meat and dairy processing. Home appliances must also meet strict regulations due to chemical and fire hazards. Silicone extrusions are popular with home electronics due to their extreme heat resistance properties. 

Get in touch with Viking Extrusions

Contact our expert team of silicone engineers for advice, quotations or any other queries.

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