It is also being tested to prevent serious infections in people on ventilators. Lactobacillus is used for skin disorders such as fever blisters, canker sores, eczema (allergic dermatitis); and acne. It is also used for high cholesterol, lactose intolerance, Lyme disease, hives, and to boost the immune system.
All UV filtering acrylics offer 99% protection from harmful UV rays. Styrene Plastic Glass. Styrene is a low-cost lightweight and shatter-resistant glazing material. Ideal where safety is a consideration, but does require careful handling. Available as stock sheets or cut to size. Acrylic Plastic Glass. Acrylic is a good quality, lightweight and shatter-resistant glazing material.
The primary formers used for making Pyrex include silica sand and boric acid. Silica sand is also known as silicon dioxide. It is a crystalline material and was probably the major component of the first glass used by humans. In a typical Pyrex glass composition, silicon dioxide makes up about 60-80% by weight.