Rubber Stopper for Erlenmeyer Flask 1 Hole Manufacturer,Supplier and Exporter in India
Product Code : JL-LEP-10274
The Rubber Stopper for Erlenmeyer Flask 1 Hole (SKU JL-LEP-10274) seals narrow-mouth 250 mL Erlenmeyer flasks. This 1-hole stopper for Erlenmeyer flask use is a tapered cylinder of premium grade SBR black rubber, 25 mm high with a 32 mm top and 26 mm bottom diameter, bored with one 5 mm hole for a delivery tube, thermometer or glass rod. Its hardness of 40 ± 5 Duro gives a firm seal, and dimensions are held to ±0.5 mm. JaincoLab supplies it as per DepEd guidelines.
Specifications
The stopper is specified by shape, material, size, holes and hardness: tapered SBR black rubber, 25 mm high, 32 mm top and 26 mm bottom diameter, one 5 mm hole, ±0.5 mm tolerance and 40 ± 5 Duro.
| Product | Rubber Stopper for Erlenmeyer Flask 1 Hole |
| SKU | JL-LEP-10274 |
| Shape | Cylindrical with a tapered bottom end |
| Material | Premium grade SBR black rubber compound |
| Height | 25 mm |
| Top diameter | 32 mm |
| Bottom diameter | 26 mm |
| Hole diameter | 5 mm |
| Number of holes | 1 (one) |
| Tolerance | ±0.5 mm on height, top and bottom diameter |
| Hardness | 40 ± 5 Duro |
| Specification reference | As per DepEd guidelines |
Applications of the 1-hole stopper for Erlenmeyer flask
The stopper is used when a conical flask needs a single outlet or probe. Typical uses are:
- Fitting a delivery tube to collect gas from a reaction flask
- Holding a thermometer in a flask
- Sealing a flask while leaving a vent
- Setting up simple fermentation or respiration activities
Scope of supply and ordering
The listing covers one-hole rubber stoppers for 250 mL Erlenmeyer flasks; quantities per pack are confirmed on the quotation. Flasks and tubing are separate items.
MOQ, packing and lead time for stoppers are confirmed on each quotation for the quantity and destination. JaincoLab supplies schools, colleges and education projects, and exports to Africa, the Middle East and South and South-East Asia.
Frequently asked questions
Which flask does this stopper fit?
Narrow-mouth 250 mL Erlenmeyer flasks.
How many holes does it have?
One 5 mm hole.
What are its dimensions?
25 mm high, 32 mm top diameter and 26 mm bottom diameter.
Related products
Related items:
- Rubber Stopper for Erlenmeyer Flask 2 Holes
- Flask Erlenmeyer Borosilicate Narrow Mouth
- Glass Tubing Long
- Cork Borer
See all Laboratory Equipment Products, or the JaincoLab chemistry lab equipment range.
Request a quote
To order the Rubber Stopper for Erlenmeyer Flask 1 Hole, send the quantity and delivery destination through the JaincoLab contact page or email [email protected]. Buying under a laboratory tender? Use our tenders page.
