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Get it between 2025-05-27 to 2025-06-03. Additional 3 business days for provincial shipping.
Material: Made of durable phenolic plastic that can withstand fermentation stress and chemicals. Reusable and durable, please confirm the diameter of the bottle mouth is 24mm before purchasing, otherwise it is not applicable.
Tightness: The clear inner stopper conical leak-proof cap design inserts itself around the sealing area, creating a sealed environment that keeps its liquid contents inside the bottle and prevents liquid leakage, carbonation and gas escape.
Design: Food grade, ideal for pharmaceutical and industrial use, thermoset plastic lids are resistant to high temperatures (above 200 Centigrade), chemical resistance, chemical volatility, and more, while creating an ultra-tight seal.
Features: It is widely used as a cover for glass bottles and hoses for soft and hard packaging of various daily chemicals, food, cosmetics, medicines, etc.
Uses: 24mm caps fit Boston round clear and amber glass grow cups for kombucha fermentation and film development chemicals.
Characteristic: Compatible with Boston glass bottle, the glass bottle is made of sodium-calcium, medicinal grade; there is a conical LDPE inner plug in the bakelite cover, which can be used for sub-packaging of chemical reagents, flavors and fragrances, essential oils, etc.; professional molding bottle, laboratory select chemical industry Bottle, corrosion resistant, acid and alkali resistance, good sealing. Easy to grip: The white tinplate cap has teeth around the cap so you can effortlessly tighten the cap, making it easier to hold and seal. Specification: Material: phenolic resin (bakelite) Size: 24mm in diameter Color: black Package contains: 12 x black 24 tooth phenolic bakelite caps Tips: Small parts, please keep away from children. To prevent gas or liquid leakage, tighten the cap tightly and maintain a good airtight seal.