---
product_id: 72034135
title: "1.5lb AR Glass Fiber for GFRC Concrete"
brand: "fishstone"
price: "€ 47.39"
currency: EUR
in_stock: true
reviews_count: 2
category: "Fishstone"
url: https://www.desertcart.ie/products/72034135-1-5lb-ar-glass-fiber-for-gfrc-concrete
store_origin: IE
region: Ireland
---

# 3x steel tensile strength 18 micron filament diameter 1.5lb pre-measured pack 1.5lb AR Glass Fiber for GFRC Concrete

**Brand:** fishstone
**Price:** € 47.39
**Availability:** ✅ In Stock

## Summary

> 💥 Reinforce your concrete game with the fiber that means business!

## Quick Answers

- **What is this?** 1.5lb AR Glass Fiber for GFRC Concrete by fishstone
- **How much does it cost?** € 47.39 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/72034135-1-5lb-ar-glass-fiber-for-gfrc-concrete)

## Best For

- fishstone enthusiasts

## Why This Product

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

## Key Features

- • **Microfiber Mastery:** Ultra-fine 18 micron filaments ensure superior dispersion and bonding within your concrete matrix.
- • **Effortless Application:** Designed for small projects with easy mixing—perfect for pros who demand precision and performance.
- • **Precision-Perfect Pack:** Pre-measured 1.5lb for seamless integration with 50lb GFRC mixes—no guesswork, just flawless results.
- • **Zirconia-Infused Durability:** Contains 17% Zirconia for unmatched alkali resistance and long-term structural integrity.
- • **Strength That Outperforms Steel:** Boost tensile strength up to three times that of steel—engineered for next-level resilience.

## Overview

Fishstone’s 1.5lb AR Glass Fiber pack delivers alkali-resistant, zirconia-enhanced glass fibers with 18 micron diameter filaments, engineered to triple the tensile strength of steel. Pre-measured for perfect compatibility with 50lb GFRC mixes, it’s the go-to choice for professionals seeking durable, high-performance reinforcement in small-scale concrete projects.

## Description

desertcart.com: Fishstone, 1.5lb AR Glass Fiber for GFRC Concrete : Industrial & Scientific

Review: Me fue muy útil le mucha resistencia a mis creaciones en concreto
Review: Easy to use first time - Used as backer mix for gfrc table. Did not use in surface mix pictured below. Modustrial design on you tube gives instructions. Posted picture to show that first time using fishstone HP50 mix resulted in flawless surface without pinholes. Just add water

## Features

- 1.5lbs is the perfect size for your small projects and pre-measured to the exact amount of fiber to go into one 50lb Fishstone Pre-blended GFRC bag mixes
- 1/2" length AR(Alkali Resistant) Glass Fibers
- Contains a minimum of 17% Zirconia for long term durability
- 18 Microns filament diameter, 200 filaments per strand
- Increases tensile strength (Three times higher than steel)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07CTXD5MP |
| Assembled Diameter | 18 Micron |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #553,452 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #309 in Fiberglass Raw Materials #3,971 in 3D Printing Filament |
| Color | White |
| Customer Reviews | 3.9 3.9 out of 5 stars (13) |
| Cutting Diameter | 18 Micron |
| Date First Available | May 3, 2018 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 2 pounds |
| Manufacturer | Fishstone Concrete Countertop Supply |
| Material | Glass |
| Measurement System | English |
| Shape | Round |
| Special Features | Alkali Resistant, High Zirconia Content |

## Product Details

- **Brand:** Fishstone
- **Color:** White
- **Item Diameter:** 18 Micron
- **Item Weight:** 2 Pounds
- **Material:** Glass

## Images

![1.5lb AR Glass Fiber for GFRC Concrete - Image 1](https://m.media-amazon.com/images/I/710NuUZnj1L.jpg)

## Customer Reviews

### ⭐⭐⭐ Review
*by T***Y on October 26, 2025*

Me fue muy útil le mucha resistencia a mis creaciones en concreto

### ⭐⭐⭐⭐⭐ Easy to use first time
*by M***T on January 17, 2020*

Used as backer mix for gfrc table. Did not use in surface mix pictured below. Modustrial design on you tube gives instructions. Posted picture to show that first time using fishstone HP50 mix resulted in flawless surface without pinholes. Just add water

## Frequently Bought Together

- Fishstone, 1.5lb AR Glass Fiber for GFRC Concrete
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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-03*