---
product_id: 130743009
title: "ALWSCI 20 mm Bi-Metallic Crimp Cap with Natural PTFE/Natural Silicone Septa, Red and Silver, 100 pcs/pk"
brand: "alwsci"
price: "R1228"
currency: ZAR
in_stock: true
reviews_count: 1
url: https://www.desertcart.co.za/products/130743009-alwsci-20-mm-bi-metallic-crimp-cap-with-natural-ptfe
store_origin: ZA
region: South Africa
---

# 100 pcs/pk 20 mm size Natural PTFE/Silicone ALWSCI 20 mm Bi-Metallic Crimp Cap with Natural PTFE/Natural Silicone Septa, Red and Silver, 100 pcs/pk

**Brand:** alwsci
**Price:** R1228
**Availability:** ✅ In Stock

## Summary

> Seal the Deal with Style! 🎉

## Quick Answers

- **What is this?** ALWSCI 20 mm Bi-Metallic Crimp Cap with Natural PTFE/Natural Silicone Septa, Red and Silver, 100 pcs/pk by alwsci
- **How much does it cost?** R1228 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/130743009-alwsci-20-mm-bi-metallic-crimp-cap-with-natural-ptfe)

## Best For

- alwsci enthusiasts

## Why This Product

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

## Key Features

- • **Easy Handling:** User-friendly design for quick application.
- • **Durable Design:** Bi-metallic construction ensures longevity.
- • **Precision Engineering:** Crafted for optimal sealing and reliability.
- • **Color-Coded Convenience:** Red and silver for easy identification.
- • **Versatile Compatibility:** Perfect for various vials and applications.

## Overview

This pack of 100 bi-metallic crimp caps features a 20 mm size with a natural PTFE and silicone septa, designed for secure sealing and compatibility with various vials. The striking red and silver colors not only enhance visibility but also add a touch of professionalism to your lab setup.

## Description

ALWSCI 20 mm Bi-Metallic Crimp Cap with Natural PTFE/Natural Silicone Septa, Red and Silver, 100 pcs/pk

## Features

- Magnetic Bimetal-Cap,red/silver, 8mm centre hole
- They are offered in packs of 100 or can be purchased with vials in Convenience Packs.

## Images

![ALWSCI 20 mm Bi-Metallic Crimp Cap with Natural PTFE/Natural Silicone Septa, Red and Silver, 100 pcs/pk - Image 1](https://m.media-amazon.com/images/I/51ojy6GD3rL.jpg)
![ALWSCI 20 mm Bi-Metallic Crimp Cap with Natural PTFE/Natural Silicone Septa, Red and Silver, 100 pcs/pk - Image 2](https://m.media-amazon.com/images/I/41lRHMwIjyL.jpg)
![ALWSCI 20 mm Bi-Metallic Crimp Cap with Natural PTFE/Natural Silicone Septa, Red and Silver, 100 pcs/pk - Image 3](https://m.media-amazon.com/images/I/51quT0ojUjL.jpg)
![ALWSCI 20 mm Bi-Metallic Crimp Cap with Natural PTFE/Natural Silicone Septa, Red and Silver, 100 pcs/pk - Image 4](https://m.media-amazon.com/images/I/51FRrFDlODL.jpg)
![ALWSCI 20 mm Bi-Metallic Crimp Cap with Natural PTFE/Natural Silicone Septa, Red and Silver, 100 pcs/pk - Image 5](https://m.media-amazon.com/images/I/515kLQtM+aL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Good for high temp
  

*by M***S on Reviewed in the United States on October 18, 2020*

Excatly what i needed and work in my GC/MS for our high temp up to 220c

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.co.za/products/130743009-alwsci-20-mm-bi-metallic-crimp-cap-with-natural-ptfe](https://www.desertcart.co.za/products/130743009-alwsci-20-mm-bi-metallic-crimp-cap-with-natural-ptfe)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-18*