Features:
Airtight container used to keep substances dry
Fitted with a lid that seals tightly to prevent moisture entry
Contains a compartment for desiccants like silica gel or anhydrous calcium chloride
Used to store moisture-sensitive materials or cool hot crucibles in a moisture-free environment
Maintains a low-humidity atmosphere inside
Common in labs handling hygroscopic chemicals or samples requiring dry storage
Transparent or opaque lid for visibility or light protection
Available in vacuum and non-vacuum types
Specifications:
Material: Borosilicate glass, polypropylene, or polycarbonate
Shape: Circular base with flanged rim and dome-shaped lid
Seal: Greased glass flange or rubber gasket for airtight seal
Desiccant chamber: Space at the bottom for drying agents
Sizes: Vary based on internal diameter (commonly 100 mm, 150 mm, 200 mm, etc.)
Lid type: Plain for standard use or with stopcock for vacuum applications
Vacuum compatibility: Vacuum desiccators withstand reduced pressure using stopcocks and reinforced construction
Temperature resistance: High for glass; moderate for plastic
Sterilization: Glass types are autoclavable; plastic types depend on material
Specifications:
Volume: typically 6 mL, 7 mL, 10 mL, 20 mL, or 30 mL
Material: Borosilicate glass, polyethylene terephthalate (PET), or polypropylene
Cap type: Screw cap with or without liner (PE, PTFE, or foil-lined)
Height: approx. 55–75 mm (10 mL), 60–95 mm (20 mL)
Diameter: approx. 16 mm (10 mL), 27 mm (20 mL)
Temperature range: -20°C to 80°C (varied by material)
Specifications:
Volume: typically 0.5 mL to 50 mL
Material: Polypropylene or polyethylene
Cap type: Screw cap with or without O-ring, snap cap, or plug seal
Temperature range: -80°C to 121°C
Dimensions: varies by volume (e.g., 1.5 mL vial approx. 11 mm diameter × 45 mm height)
Graduation interval: varies, commonly every 0.1 mL or 0.5 mL
Specifications:
Volume: typically 1.0 mL, 1.5 mL, 2.0 mL, 4.0 mL, or 5.0 mL
Material: Medical-grade polypropylene
Temperature range: down to -196°C (in vapor phase liquid nitrogen)
Cap type: External or internal thread with O-ring seal
Dimensions: varies by volume; e.g., 2.0 mL vial ~12.5 mm diameter × 48 mm height
Max RCF: up to 17,000 x g (varied by model)
Specifications:
Material: Polystyrene (disposable) or borosilicate glass (reusable)
Diameter: 60 mm, 90 mm, 100 mm, or 150 mm
Depth: 15 mm to 25 mm
Lid type: Flat or domed, optional ventilation features
Temperature resistance:
– Polystyrene: up to 60°C
– Glass: up to 180°C and autoclavable
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