250ml wide-mouth (W/M) reagent bottles manufactured in China are available in both glass and plastic materials to suit different laboratory needs. Wide-mouth designs are primarily used for holding solid reagents, powders, or for frequent access to liquids.

Key Specifications

• Glass Reagent Bottles:
  • Material: Typically high-quality borosilicate 3.3 glass for heat and chemical resistance, or more affordable soda-lime glass.
  • Closure: Usually features a ground glass stopper for an airtight, chemically inert seal, or a GL45 screw cap for quick access.
  • Colors: Available in clear for visibility and amber to protect light-sensitive substances from UV radiation.
  • Dimensions: Standard 250ml bottles often have a body diameter of ~70mm, a mouth diameter of ~50mm, and a height of ~130mm.