The 68W1BL is a blue tamper seal square lid made of polypropylene (PP) that is suitable for 100 fl. oz. square tamper resistant containers or tubs. This lid helps to lock in freshness and prevents leaks. It is commonly used as a food container, though not suitable for liquids or very fine powders.
is a tough plastic that has good chemical resistance. PP is translucent in its natural state but can have a glossy finish when produced with color. Some examples of common products made with PP are dairy and medication containers. Polypropylene is suitable for hot fill applications of up to 165°F and is therefore great for autoclaving. It is not recommended for cold or sub-freezing temperatures. The Cary Company has an assortment of polypropylene plastics available for purchase, such as plastic caps and jars, which have a higher tolerance for chemical products.
This information has been provided as a general guide. It is the customer's responsibility to select the proper container for product and application compatibility.