In our daily lives, we frequently use silicone products, yet we often confuse liquid silicone rubber (LSR) with solid silicone or plastic. Buying or using the wrong type is common, and many even miss out on its benefits due to misunderstandings. Think all silicones are the same? In reality, 90% of people are unaware of the truths about LSR. Not only is it safe and non-toxic, but it also has many hidden advantages. Let's clear things up once and for all, helping you avoid mistakes and use the right products.

Many think LSR is "flowable glue," but that's not quite right. Simply put, LSR is silicone rubber in a liquid state with good flowability, resembling thick yogurt or syrup. It's processed into various products using injection molding, becoming soft and elastic after curing. Its appearance is mostly highly transparent or translucent, with a uniform, fine texture free of impurities and bubbles. It feels smooth and not sticky – unlike solid silicone, which is relatively hard, and unlike plastic, which feels rigid. LSR can be formed into complex shapes, from small items like baby pacifiers to large industrial seals.

The core advantages of LSR address real practical needs:

Truth 1: Safe and odorless. LSR achieves food-grade and medical-grade certifications such as FDA and LFGB. It contains no harmful chemicals, making it completely safe for use in baby pacifiers and food molds that come into direct contact with food and mouths. It's especially suitable for families with babies and health-conscious individuals.

Truth 2: Exceptional high and low-temperature resistance. LSR operates stably in temperatures ranging from -50°C to 200°C. It won't deform when sterilized in boiling water and won't become brittle in low-temperature environments, making it adaptable to kitchens, outdoor settings, and many other scenarios.

Truth 3: Good elasticity and aging resistance. LSR rebounds quickly after stretching. With long-term use, it doesn't yellow or crack, and its service life is 3–5 times longer than ordinary silicone or plastic. For example, silicone kitchenware can remain in good condition for three to five years.

Truth 4: Precision sealing and easy to clean. LSR fits into various crevices, making it suitable for waterproofing electronic devices and sealing pipelines to prevent leaks. For daily cleaning, a rinse with mild detergent is sufficient, and it resists dirt and bacterial buildup.

Truth 5: Dispelling common misconceptions. Two widespread myths about LSR need to be corrected. First, some believe "harder silicone is better" – in fact, the opposite is true. High-quality LSR is relatively soft and elastic; hard, rigid products are mostly made of solid silicone or low-quality silicone, which compromise safety and durability. Second, some think "LSR is no different from plastic or rubber." In reality, plastic can release toxic substances when heated, and rubber often has an odor and ages easily. LSR, however, is non-toxic, odorless, and resistant to high and low temperatures, making it safer for contact with food and human skin, and it doesn't degrade with long-term use. Some also mistakenly believe that LSR sweats oil; this only happens with low-quality products containing non-silicone oils – high-quality LSR does not have this problem.

Choosing and using LSR is simple – just keep these points in mind:

• How to choose: Look for FDA or LFGB certification. High-quality LSR should be odorless, rebound well when stretched, and appear transparent without impurities.

• How to use: Clean with mild detergent. It can be sterilized in boiling water. Avoid sharp objects, prolonged sunlight exposure, and extended immersion in oils to extend its service life.

The truths about liquid silicone rubber reveal dual advantages of safety and practicality. It's not merely an "upgraded version" of ordinary silicone but a high-quality material better suited for everyday home and industrial use. With this knowledge, you can buy and use the right products, protecting your health and that of your family.

Regarding liquid silicone rubber, please refer to our website for details: IOTA Liquid Silicone Rubber