---
product_id: 23253503
title: "Sila-Tek 3500-1 Gallon Penetrating Concrete Densifier & Hardener"
brand: "ghostshield"
price: "¥36940"
currency: JPY
in_stock: true
category: "Ghostshield"
url: https://www.desertcart.jp/products/23253503-sila-tek-3500-1-gallon-penetrating-concrete-densifier-and-hardener
store_origin: JP
region: Japan
---

# Water-based formula Concentrated, makes 5 gallons Strengthens concrete by 50% Sila-Tek 3500-1 Gallon Penetrating Concrete Densifier & Hardener

**Brand:** ghostshield
**Price:** ¥36940
**Availability:** ✅ In Stock

## Summary

> 🛠️ Harden your concrete, not your style — build stronger, last longer!

## Quick Answers

- **What is this?** Sila-Tek 3500-1 Gallon Penetrating Concrete Densifier & Hardener by ghostshield
- **How much does it cost?** ¥36940 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/23253503-sila-tek-3500-1-gallon-penetrating-concrete-densifier-and-hardener)

## Best For

- ghostshield enthusiasts

## Why This Product

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

## Key Features

- • **Invisible Protection:** Penetrates deeply without altering concrete’s natural appearance.
- • **Eco-Conscious Low VOCs:** Safe, water-based formula that supports sustainable building practices.
- • **High Yield Concentrate:** One gallon covers and transforms up to five gallons of concrete surface.
- • **Industrial-Grade Durability:** Engineered for professional-strength concrete hardening and densification.
- • **Boost Concrete Strength by 50%:** Significantly enhances structural integrity and longevity.

## Overview

Sila-Tek 3500-1 Gallon Penetrating Concrete Densifier & Hardener is a professional-grade, sodium-based, waterborne solution designed to strengthen and harden concrete surfaces by up to 50%. It increases abrasion resistance without changing the concrete’s appearance, features low VOC emissions for eco-friendly use, and is highly concentrated, making one gallon sufficient to treat five gallons of concrete. Ideal for industrial and commercial applications, it ensures durable, water-resistant concrete that stands the test of time.

## Description

Sila-Tek 3500-1 Gallon Penetrating Concrete Densifier & Hardener - desertcart.com

## Features

- An industrial-grade, water-based, sodium densifier for use as a stand-alone product or as a primer to strengthen and harden concrete.
- Strengthens concrete up to 50%, Increases abrasion resistance
- No change in appearance, Low VOCs
- Concentrated Makes 5 Gallons

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00H6QK3UI |
| Best Sellers Rank | #313,452 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #962 in Hardware Sealers |
| Brand | Ghostshield |
| Brand Name | Ghostshield |
| Color | Clear |
| Compatible Material | Concrete |
| Customer Reviews | 4.2 out of 5 stars 56 Reviews |
| Global Trade Identification Number | 00855849005019 |
| Item Form | Liquid |
| Manufacturer | Kretetek Industries |
| Material | Sodium-Based Densifier |
| Material Type | Sodium-Based Densifier |
| Model | 3500 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | 3500 |
| Style | Industrial |
| Style Name | Industrial |
| Surface Recommendation | Concrete |
| Unit Count | 128 Fluid Ounces |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** Ghostshield
- **Item Form:** Liquid
- **Material:** Sodium-Based Densifier
- **Style:** Industrial
- **Water Resistance Level:** Water Resistant

## Images

![Sila-Tek 3500-1 Gallon Penetrating Concrete Densifier & Hardener - Image 1](https://m.media-amazon.com/images/I/81mgohSdKmL.jpg)

## Questions & Answers

**Q: Can you tell me about the odor, and how long does any odor linger?**
A: No noticeable odor when using this product outside

**Q: I have a dusting problem. i will grind the floors and then can i apply sila-tek 3500 to my garage floor and then coat the floor with an epoxy?**
A: Wet grind and have no dust

**Q: can i use this product on river rock?**
A: It penetrates into the cement, so I don't know how it would work on rock.

**Q: Will this work to harden mortar?**
A: Specifically designed for concrete only

## Frequently Bought Together

- Sila-Tek 3500-1 Gallon Penetrating Concrete Densifier & Hardener
- Siloxa-Tek 8505 Ready to Use - 1 Gallon Penetrating Concrete Sealer, Water, Salt & Oil Repellent
- Siloxa-Tek 8500 Ready to Use - 1 Gallon Penetrating Concrete Sealer, Water and Salt Repellent. Clear, Water-Based DOT Approved Silane/Siloxane for Concrete, Brick, Masonry & Pavers

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**Shop now:** [https://www.desertcart.jp/products/23253503-sila-tek-3500-1-gallon-penetrating-concrete-densifier-and-hardener](https://www.desertcart.jp/products/23253503-sila-tek-3500-1-gallon-penetrating-concrete-densifier-and-hardener)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-08*