---
product_id: 19496379
title: "Brady Authentic (M21-500-423) Harsh Environment Polyester Label for Barcode, Solar Panel, and Printed Circuit Board Labeling, BlackonWhite-For M210, M210-LAB, M211, BMP21-PLUS and BMP21-LAB, .5\"W 21'L"
brand: "brady"
price: "SAR 165"
currency: SAR
in_stock: true
reviews_count: 13
category: "Brady"
url: https://www.desertcart.com.sa/products/19496379-brady-authentic-m21-500-423-harsh-environment-polyester-label-barcode
store_origin: SA
region: Saudi Arabia
---

# High-tack permanent adhesive UV & extreme temperature resistant Certified UL, CSA, RoHS compliance Brady Authentic (M21-500-423) Harsh Environment Polyester Label for Barcode, Solar Panel, and Printed Circuit Board Labeling, BlackonWhite-For M210, M210-LAB, M211, BMP21-PLUS and BMP21-LAB, .5"W 21'L

**Brand:** brady
**Price:** SAR 165
**Availability:** ✅ In Stock

## Summary

> 🖤 Tough Labels for Tough Jobs — Don’t Let Your Gear Go Unlabeled!

## Quick Answers

- **What is this?** Brady Authentic (M21-500-423) Harsh Environment Polyester Label for Barcode, Solar Panel, and Printed Circuit Board Labeling, BlackonWhite-For M210, M210-LAB, M211, BMP21-PLUS and BMP21-LAB, .5"W 21'L by brady
- **How much does it cost?** SAR 165 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.sa](https://www.desertcart.com.sa/products/19496379-brady-authentic-m21-500-423-harsh-environment-polyester-label-barcode)

## Best For

- brady enthusiasts

## Why This Product

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

## Key Features

- • **Universal Compatibility:** Seamlessly works with M210, M211, BMP21-PLUS, and BMP21-LAB printers for effortless integration.
- • **Compact Yet High Capacity:** 0.5" wide labels with 1200 per cartridge—maximize labeling efficiency without frequent replacements.
- • **Precision Print Quality Every Time:** Sharp, clear barcode and circuit board labeling that never fades or smudges.
- • **Certified Reliability You Can Trust:** Meets UL969, CSA, and RoHS standards ensuring safety and compliance in critical applications.
- • **Unmatched Durability for Harsh Environments:** Engineered to resist UV, heat, chemicals, and abrasion for long-lasting performance.

## Overview

The Brady Authentic M21-500-423 polyester label cartridge delivers high-performance labeling designed for extreme conditions. With a high-tack permanent adhesive and resistance to UV, heat, chemicals, and abrasion, these black-on-white labels ensure sharp, durable prints ideal for barcodes, solar panels, and printed circuit boards. Certified to UL969, CSA, and RoHS standards, this 0.5" wide, 21-foot roll fits multiple Brady printers, offering 1200 labels per cartridge for reliable, long-term identification in harsh environments.

## Description

Harsh environment applications require tough materials and Brady’s B-423 polyester stands up to the challenge. Designed to handle the rigors of renewable energy applications, this material is ideal for a wide variety of difficult surfaces in an array of environmental conditions.

Review: Clear Print and Good Adhesion - Print quality is sharp and sticks well. Works perfectly for labeling
Review: Durable Labels That Withstand Tough Conditions - These labels are excellent for harsh environments! They stick firmly, print cleanly, and hold up against heat, chemicals, and abrasion without fading. Exactly what I needed for reliable, long-term labeling

## Features

- Harsh Environment – High-tack permanent adhesive for a variety of surface types in all-weather applications
- Engineered Performance – Resists exposure to UV light, extreme temperatures, abrasions, fuel and oil, degreasers, cleaners, and detergents
- Certifications – UL Recognized to UL969, CSA to C22.2 No. 0.15-95, RoHS compliant to 2011/65/EU (Pass 2015/863), DIN VDE 0472 Part 815
- For material specific performance and properties, please refer to the Technical Data Sheet (TDS)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003XU7SR2 |
| Best Sellers Rank | #37,119 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #11 in Industrial Labeling Tape #324 in Office Labeling Tapes |
| Brand | Brady |
| Brand Name | Brady |
| Color | Black on White |
| Customer Reviews | 4.6 out of 5 stars 261 Reviews |
| Finish Type | Gloss |
| Global Trade Identification Number | 00662820899679 |
| Included Components | 1 Cartridge |
| Ink Color | White |
| Item Shape | Rectangular |
| Item Weight | 2.4 ounces |
| Line Size | 0.5 inches |
| Manufacturer | Brady |
| Manufacturer Part Number | M21-500-423 |
| Material | Polyester |
| Material Type | Polyester |
| Model Number | M21-500-423 |
| Number of Items | 1 |
| Number of Labels | 1200 |
| Pattern | No Pattern |
| Shape | Rectangular |
| Size | .5" |
| Style | Polyester Label |
| UPC | 662820899679 |
| Unit Count | 1.0 Count |

## Product Details

- **Color:** Black on White
- **Size:** .5"
- **Material:** Polyester
- **Brand:** Brady
- **Finish Type:** Gloss

## Images

![Brady Authentic (M21-500-423) Harsh Environment Polyester Label for Barcode, Solar Panel, and Printed Circuit Board Labeling, BlackonWhite-For M210, M210-LAB, M211, BMP21-PLUS and BMP21-LAB, .5"W 21'L - Image 1](https://m.media-amazon.com/images/I/61QWtC5m3ZL.jpg)

## Available Options

This product comes in different **Color, Size, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Clear Print and Good Adhesion
*by C***O on March 30, 2026*

Print quality is sharp and sticks well. Works perfectly for labeling

### ⭐⭐⭐⭐⭐ Durable Labels That Withstand Tough Conditions
*by S***L on September 25, 2025*

These labels are excellent for harsh environments! They stick firmly, print cleanly, and hold up against heat, chemicals, and abrasion without fading. Exactly what I needed for reliable, long-term labeling

### ⭐⭐⭐⭐⭐ Perfect
*by K***R on November 7, 2024*

Works great, from brand

## Frequently Bought Together

- Brady Authentic (M21-500-423) Harsh Environment Polyester Label for Barcode, Solar Panel, and Printed Circuit Board Labeling, BlackonWhite-For M210, M210-LAB, M211, BMP21-PLUS and BMP21-LAB, .5"W 21'L
- Brady Authentic (M21-500-595-WT) All-Weather Vinyl Label for Indoor/Outdoor ID, Lab and Equipment Labeling, Black on White- For M210, M210-LAB, M211, BMP21-PLUS and BMP21-LAB Printers, .5" W 21' L
- Brady Authentic (M21-750-499) Multi-Purpose Nylon Label for General ID, Wire Marking, and Lab, Black on White- Designed for M210, M210-LAB, M211, BMP21-PLUS and BMP21-LAB Printers, .75" W 16' L

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**Shop now:** [https://www.desertcart.com.sa/products/19496379-brady-authentic-m21-500-423-harsh-environment-polyester-label-barcode](https://www.desertcart.com.sa/products/19496379-brady-authentic-m21-500-423-harsh-environment-polyester-label-barcode)

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*Product available on Desertcart Saudi Arabia*
*Store origin: SA*
*Last updated: 2026-07-08*