Borosilicate Glass

Updated: JUNE 10, 2019

Borosilicate glass is a medical-grade glass commonly used in the manufacture of glass sex toys including dildos and anal plugs. It is made from a mix of sand, ground lime, soda and boron oxide. Pyrex is a well-known brand of borosilicate glass.

Borosilicate glass is lead-free and completely non-toxic. It can also withstand extreme temperatures and up to 3,000 pounds of pressure, so sex toys made from this material are incredibly durable, safe, long lasting, and resistant to bacteria.

Borosilicate glass is commonly referred to as hard glass.

More About Borosilicate Glass

Many people love the smooth, rigid finish of borosilicate glass sex toys. It makes them frictionless and easy to use. Their solid finish makes them ideal for stimulating the G and P-spots.

However, borosilicate glass sex toys can be cold. Most people warm them before use. The glass retains heat well. You don't need to worry about getting a chill midway through a session with your toy. Some people enjoy the shock of a cold temperature, and refrigerate their borosilicate glass sex toys before use.

Borosilicate glass sex toys work well with water, silicone, and oil-based lubricants. As glass isn't porous, a little goes a long way. They are odorless unlike many rubber and jelly sex toys. They're also naturally phthalate-free and are completely safe for those with chemical sensitivities. However, some manufacturers may include chemicals when decorating their borosilicate glass sex toys.

While borosilicate glass can withstand extreme shock, handle your glass sex toys with care as they can crack if dropped.

As borosilicate glass won't soften until it reaches 1508 degrees Fahrenheit, it's safe to boil these toys to sterilize them. This is advisable when sharing toys or using them for anal play. Otherwise, glass toys can be cleaned using anti-bacterial soap and water. Another alternative is to simply pop these toys in the dishwasher. Store borosilicate glass sex toys at room temperature and far away from jelly toys. It's a good idea to pop them in a soft organza or cotton pouch.


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