Overview
The Alphaplastic Conical Black Rubber Stopper is specifically designed for securely sealing various laboratory glassware, including flasks, test tubes, and jars. Crafted from a durable and robust rubber compound, this stopper provides reliable closure for a range of applications.
This stopper is made from thermally and chemically resistant rubber compound 23-6-3, compliant with GOST 7852-76 standards. It is engineered to perform effectively across a wide temperature spectrum, from -8 °C to +80 °C, ensuring stability in diverse laboratory environments. An inherent rubber odor is present.
Key Features
- Conical design ensures a secure and tight seal for laboratory glassware.
- Manufactured from thermally and chemically resistant rubber compound (GOST 7852-76).
- Withstands temperatures effectively from -8 °C to +80 °C.
- Optimally sized for use with test tubes approximately 16 mm in diameter.
- Durable construction in a distinct black color for easy identification.
- Versatile application for sealing flasks, test tubes, and jars.
Specifications
- Type: Lab consumables
- Color: Black
- Brand: Alphaplastic
- Article: 1045126207
- Height: 25 mm
- Larger Side Diameter: 17.3 mm
- Smaller Side Diameter: 12.3 mm
- Middle Diameter: 14.5 mm
- Material: Rubber compound 23-6-3 (GOST 7852-76)
- Temperature Resistance: -8 °C to +80 °C
- Country of origin: Russia
- Consumable Type: Vial Cap
Customer Feedback
- It all fit perfectly.
- Alright.
- The item matches the description. I recommend the seller. Thank you for everything!
- Excellent.
US: 2–3 weeks, 
EU/UK: 1–2 weeks, 🇨🇦 Canada: 3–4 weeks, 🌍 Rest of world: 1–4 weeks ✈️