PIYANYO 20Pcs 28mm (1.1 Inch) Black Bottle Caps

PIYANYO 20Pcs 28mm (1.1 Inch) Black Bottle Caps

• 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.