---
product_id: 421177720
title: "LabZhang 100 Count Self Healing Injection Ports, 20mm Vials Rubber Stoppers, Suitable for Sealing 0.51 inch or 13mm Opening, Used for Glass Bottles and Liquid Culture Tanks"
brand: "labzhang"
price: "€ 47.91"
currency: EUR
in_stock: true
reviews_count: 2
category: "Lab Zhang"
url: https://www.desertcart.nl/products/421177720-labzhang-100-count-self-healing-injection-ports-20mm-vials-rubber
store_origin: NL
region: Netherlands
---

# High thermal stability, steam sterilizable 20mm diameter precision fit Self-healing butyl rubber seal LabZhang 100 Count Self Healing Injection Ports, 20mm Vials Rubber Stoppers, Suitable for Sealing 0.51 inch or 13mm Opening, Used for Glass Bottles and Liquid Culture Tanks

**Brand:** labzhang
**Price:** € 47.91
**Availability:** ✅ In Stock

## Summary

> 🧬 Seal Smart, Inject Confidently — The Future of Lab Precision!

## Quick Answers

- **What is this?** LabZhang 100 Count Self Healing Injection Ports, 20mm Vials Rubber Stoppers, Suitable for Sealing 0.51 inch or 13mm Opening, Used for Glass Bottles and Liquid Culture Tanks by labzhang
- **How much does it cost?** € 47.91 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/421177720-labzhang-100-count-self-healing-injection-ports-20mm-vials-rubber)

## Best For

- labzhang enthusiasts

## Why This Product

- Trusted labzhang brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Bulk Pack of 100:** Generous quantity to keep your workflow uninterrupted and your culture jars perfectly sealed.
- • **Precision 20mm Fit:** Seamlessly seals 0.51 inch (13mm) vial openings for a perfect airtight barrier.
- • **Steam Sterilizable:** Withstands high-pressure steam sterilization without deformation—ideal for rigorous lab protocols.
- • **Versatile Lab Essential:** Perfect for liquid cultures, BRF jars, injections, and substrate jars—trusted by pros for consistent results.
- • **Self-Healing Butyl Rubber:** Innovative material that reseals after each injection, ensuring contamination-free reuse.

## Overview

LabZhang’s 100-count 20mm self-healing injection ports feature durable butyl rubber that provides a reliable, airtight seal for 13mm vial openings. Designed for repeated steam sterilization without deformation, these stoppers are perfect for maintaining sterile conditions in liquid cultures, BRF jars, and other lab applications, ensuring contamination-free injections and long-lasting sample integrity.

## Description

★Material: Butyl rubber ★Color: Gray ★Product size: self-healing injection port with a diameter of 20mm. ★Quantity: 100 ★Applicable size: 20mm vial rubber stopper is suitable for 7mm or 0.51 inch diameter hole opening. Fits the 13mm opening of a 20mm bottle. (100) ★Application: The stopper is an inert film on the surface of the stopper, which can better seal the bottle, so it can stabilize the substance in the bottle and last longer. Butyl rubber is suitable for self-healing spouts of mason jar lids, perfect liquid culture, BRF jars, injections, supplementary substrate jars, grain masters.

Review: Perfect fit
Review: Exactly what it says

## Features

- Size: 20mm diameter Self Healing Injection Ports.
- Quantity: 100 sample bottle rubber stoppers, self-healing injection port solid seal.
- Material: Self-repairing rubber plug-can produce a good solid seal
- Advantages: Excellent thermal stability (butyl rubber) ----- can be sterilized by steam under high pressure. It is reusable and will not deform.
- Uses: very suitable for liquid culture, BRF jars, injections, supplementary substrate jars, grain masters

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B093P4TLXS |
| Best Sellers Rank | #317,953 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #347 in Lab Rubber Stoppers |
| Date First Available | April 28, 2021 |
| Item Weight | 6.7 ounces |
| Item model number | Lab00044 |
| Manufacturer | LabZhang |
| Package Dimensions | 5.24 x 4.09 x 1.34 inches |

## Images

![LabZhang 100 Count Self Healing Injection Ports, 20mm Vials Rubber Stoppers, Suitable for Sealing 0.51 inch or 13mm Opening, Used for Glass Bottles and Liquid Culture Tanks - Image 1](https://m.media-amazon.com/images/I/61333ml53tS.jpg)
![LabZhang 100 Count Self Healing Injection Ports, 20mm Vials Rubber Stoppers, Suitable for Sealing 0.51 inch or 13mm Opening, Used for Glass Bottles and Liquid Culture Tanks - Image 2](https://m.media-amazon.com/images/I/41u4UetDmyS.jpg)
![LabZhang 100 Count Self Healing Injection Ports, 20mm Vials Rubber Stoppers, Suitable for Sealing 0.51 inch or 13mm Opening, Used for Glass Bottles and Liquid Culture Tanks - Image 3](https://m.media-amazon.com/images/I/41z99BhDUiS.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect fit
*by P***E on 15 June 2023*



### ⭐⭐⭐⭐⭐ Exactly what it says
*by M***E on 17 July 2022*



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**Shop now:** [https://www.desertcart.nl/products/421177720-labzhang-100-count-self-healing-injection-ports-20mm-vials-rubber](https://www.desertcart.nl/products/421177720-labzhang-100-count-self-healing-injection-ports-20mm-vials-rubber)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-03-15*