Eisco Industrial uses newly developed intellectual property, proprietary molds, and superior raw materials to deliver the most durable, accurate, and easy to read TPX plasticware TPX beakers available anywhere. TPX offers very good chemical resistance and can withstand higher temperatures than polypropylene. All of our TPX beakers deliver excellent optical clarity and blue printed graduations. Our TPX beakers are autoclavable and Class B certified for heat tolerance. Chemical and heat tolerance information can be found in the specifications tab of each product.