Phenolic Resin Cover 28mm Black Polyethylene Seal Screw Cap For Daily Chemicals, Food Bottles

Name: Phenolic Resin Cover 28mm Black Polyethylene Seal Screw CapDiameter: 28 mmMaterial: phenolic resinColor: BlackPacking list: 20pcs polyethylene seal screw caps in a variety of quantities, just in case, they can meet the daily food sealing and liquid sealing.Made of durable: phenolic plastic that can withstand fermentation pressure and chemicals. Reusable and sturdy.Tightness: The black seal screw caps have raised ridges along the entire perimeter to insert the cone into the sealed area, forming a tight closure to prevent liquid leakage and preventing carbonation and gas leakage, easy to grip and seal.Attention:Due to manual measurement, please allow an error of 0.1-2 cm.Please confirm that the diameter of the bottle mouth is 28 mm before purchase, otherwise it is not applicable.

• The plastic caps are made of sturdy phenolic plastic that can withstand fermentation pressures and chemicals. They are reusable and sturdy, which are ideal for pharmaceutical and industrial uses.
• The plastic seal of the bottle cap is made of low-density polyethylene, which provides good torque retention, reusable and sturdy; Polyethylene caps do not rust over time.
• Bottle caps beer grower and cider safe: Whether you're a craft beer lover, cider lover or professional brewer, our caps ensure a good seal and preserve the carbonation and taste of your drink for a long time.
• Universal use of sodium calcium bakelite lid inside a conical LDPE plug, which can be used for chemical reagents, flavors, spices, essential oils and so on. Professional molding bottle, laboratory selection of chemical bottles, corrosion resistance, acid and alkali resistance, good sealing.
• 28-400 Black sealed phenolic polyethylene conical insert caps are suitable for 28 mm wide glass plant bottles - industrial and food grade.