20Pcs Glass Reagent Sample Vials with Screw Cap, 3-50ml Clear/Brown Borosilicate Glass Storage Bottles for Lab Use(30ml)

20Pcs Borosilicate Glass Reagent Sample Vials with Screw Cap, 3ml to 50ml Clear/Brown Lab Storage Bottles.Specifications: Item Type: Glass Sample Vial / Reagent Storage Bottle Quantity: 20 pieces per pack Available Capacities: 3ml, 5ml, 10ml, 15ml, 20ml, 30ml, 40ml, 50ml Color Options: Clear (transparent) / Brown (amber, light-protective) Material: Low-expansion borosilicate glass (high-temperature annealed) Cap Material: PP screw cap with PE liner Origin: Mainland China Model Number: 3-50ml Glass Sample VialKey Features & Applications: Durable & Sterilizable: Made of premium borosilicate glass, these vials can withstand high-temperature autoclave sterilization. The uniform wall thickness ensures durability and prevents breakage during use. Light Protection Option: Brown (amber) vials protect light-sensitive samples from UV damage, while clear vials offer full visibility of contents. Airtight Seal: The screw-on PP cap with a PE liner creates a secure, leak-proof seal,evaporation, and spills. Versatile Lab Use: Suitable for storing reagents, biological samples, essential oils, chemicals, and more. Widely used in biochemistry labs, educational institutions, and research facilities.Important Notes:◦ Three cap/body combinations are available: clear bottle with white cap, clear bottle with black cap, and brown bottle with black cap. Please specify your preference in the order notes if needed; otherwise, we will ship randomly.◦ Minor size variations may exist due to manual measurement.

• 1. High-Quality Borosilicate Glass: Made of low-expansion borosilicate glass, with uniform wall thickness and high-temperature annealing, suitable for autoclave sterilization.
• 2. Multi-Size & Color Options: Available in 3ml/5ml/10ml/15ml/20ml/30ml/40ml/50ml capacities, with both clear and brown (light-protective) versions for different storage needs.
• 3. Secure Screw Cap Design: Equipped with PP caps and PE liners for an airtight seal, preventing leaks during sample storage and transport.
• 4. Excellent Chemical Tolerance: First-class hydrolyzed borosilicate glass features high transparency, low iron content, and high resistance to chemicals, acids, and alkalis.
• 5. Bulk Pack for Lab Use: 20 vials per pack, ideal for storing liquids, reagents, and samples in laboratories, research facilities, and educational settings.