---
product_id: 27855894
title: "Pro Glas Epoxy Hardener 4:1 Slow- Gallon- 8#"
brand: "orca composites"
price: "¥3953"
currency: JPY
in_stock: false
url: https://www.desertcart.jp/products/27855894-pro-glas-epoxy-hardener-4-1-slow-gallon-8
store_origin: JP
region: Japan
---

# 35-45 min gel time low odor & moderate toxicity 4:1 precise mixing ratio Pro Glas Epoxy Hardener 4:1 Slow- Gallon- 8#

**Brand:** orca composites
**Price:** ¥3953
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Cure with confidence, create without limits!

## Quick Answers

- **What is this?** Pro Glas Epoxy Hardener 4:1 Slow- Gallon- 8# by orca composites
- **How much does it cost?** ¥3953 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/27855894-pro-glas-epoxy-hardener-4-1-slow-gallon-8)

## Best For

- orca composites enthusiasts

## Why This Product

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

## Key Features

- • **Breathe Easy:** Low odor formula keeps your workspace fresh and comfortable
- • **Reliable Strength:** Trusted by professionals since 2008 for durable, high-performance finishes
- • **Time on Your Side:** 35-45 minute gel time lets you work with ease and control
- • **Precision Perfected:** Exact 4:1 resin-to-hardener ratio for flawless curing every time
- • **Versatile Applications:** Ideal for marine, tooling, aircraft kits, and vacuum bagging projects

## Overview

Pro Glas Epoxy Hardener 4:1 Slow is a professional-grade hardener designed for use with 1300 Resin, offering a low viscosity and a controlled 35-45 minute gel time at 77°F. Its low odor and moderate toxicity make it suitable for diverse applications including marine construction, tooling, and aircraft kit assembly, ensuring reliable, high-quality finishes trusted by experts since 2008.

## Description

Use with 1300 Resin in 4:1 ratio (4 parts Resin to 1 part hardener). Features very low viscosity, 35-45 minute gel time at 77 deg F with set time of 4 hours at 77 deg F. Uses include hand layup laminating, marine construction, tooling, epoxy face coats, Kit aircraft, and vacuum bagging. Low odor and low to moderate toxicity.

## Features

- Use with 1300
- Exhibits low odor and low to moderate toxicity

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Orca Composites |
| ASIN | B0014AQJ00 |
| Is Discontinued By Manufacturer | No |
| Date First Available | April 12, 2008 |

## Product Details

- **Brand:** Orca Composites
- **Material:** Resin
- **Item Package Quantity:** 1
- **UPC:** 648728000096
- **Manufacturer:** Orca Composites

## Images

![Pro Glas Epoxy Hardener 4:1 Slow- Gallon- 8# - Image 1](https://m.media-amazon.com/images/I/31V3f+Dn4vL.jpg)

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**Shop now:** [https://www.desertcart.jp/products/27855894-pro-glas-epoxy-hardener-4-1-slow-gallon-8](https://www.desertcart.jp/products/27855894-pro-glas-epoxy-hardener-4-1-slow-gallon-8)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-05-10*