4 oz Green Glass Boston Round Bottles with 22-400 Black Phenolic Cap with LDPE Plastic Polycone Liner
the Boston Round Bottle (also known as a Winchester Bottle), can hold almost any liquid or solid. Boston Round Bottles have a narrow neck size when compared to other container types. This hard to find 8 oz green glass bottle provides partial UV resistance for light sensitive materials. Includes a durable black phenolic caps to provide strength and durability with heat-resistant and insulating properties. Phenolic caps are often used in laboratory environments as they are ideal for variety of aggressive products due to strong resistance to chemical corrosion and moisture absorption. Cap includes a polyethylene cone liners (polycone). This liner is cone shaped and provides a seal between the top of the cap and inside diameter of the bottle creating a tight seal to prevent leakage. These oil-resistant plastic liners prevent air and moisture from entering the bottle, thus preserving the product housed inside.