---
product_id: 641833401
title: "CT Rapid Hard - Hardener for Paver Block, Chequered Tiles, Cover Block, Cement Concrete Precast Boundary Wall, Electric Pole, AAC Block, RCC Hume Pipe I 1Kg"
brand: "caltek corporation"
price: "1342767₫"
currency: VND
in_stock: true
reviews_count: 6
category: "Cal Tek Corporation"
url: https://www.desertcart.vn/products/641833401-ct-rapid-hard-hardener-for-paver-block-chequered-tiles-cover
store_origin: VN
region: Vietnam
---

# 12-hour rapid demoulding Ultra high water reduction Ultra high strength boost CT Rapid Hard - Hardener for Paver Block, Chequered Tiles, Cover Block, Cement Concrete Precast Boundary Wall, Electric Pole, AAC Block, RCC Hume Pipe I 1Kg

**Brand:** caltek corporation
**Price:** 1342767₫
**Availability:** ✅ In Stock

## Summary

> ⚡ Build faster, stronger, and shinier—don’t get left behind!

## Quick Answers

- **What is this?** CT Rapid Hard - Hardener for Paver Block, Chequered Tiles, Cover Block, Cement Concrete Precast Boundary Wall, Electric Pole, AAC Block, RCC Hume Pipe I 1Kg by caltek corporation
- **How much does it cost?** 1342767₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/641833401-ct-rapid-hard-hardener-for-paver-block-chequered-tiles-cover)

## Best For

- caltek corporation enthusiasts

## Why This Product

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

## Key Features

- • **Speed your projects:** Demould blocks and tiles in just 12 hours—cut downtime and accelerate delivery.
- • **Strength that lasts:** Transforms ordinary cement into rock-solid structures with ultra high strength.
- • **Water-smart formula:** Reduces water content drastically for denser, more durable concrete.
- • **Shine that stands out:** Delivers a high-gloss finish that elevates the aesthetic of every precast element.
- • **Versatile compatibility:** Perfect for paver blocks, chequered tiles, boundary walls, electric poles, and more.

## Overview

CT Rapid Hard is a cutting-edge polycarboxylate ether-based hardener and water reducer designed to boost the strength and finish of concrete precast products. Ideal for paver blocks, chequered tiles, boundary walls, and more, it accelerates demoulding to just 12 hours while enhancing durability and surface shine. Perfect for professionals aiming to optimize construction speed and quality.

## Description

CT Rapid Hard is a PCE based ultra high water reducing accelerator. It is a must use for Paver Block, Chequered Tiles, Cover Block, Ventilator Jali, Precast Boundary Wall, Concrete Electric Ploe, RCC Hume Pipe etc.

Review: Best quality - Best quality hardener
Review: Dosent hard any cement - Not good dosent hard any cement. Quantity is not good

## Features

- Gives very high strength
- Ultra high water reducer
- 12 hours demoulding
- Dosage - 200ml per bag of cement
- Gives very high shining

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D8M2W6FC |
| Best Sellers Rank | #10,101 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #6 in Abrasive Accessories |
| Brand | CalTek Corporation |
| Brand Name | CalTek Corporation |
| Colour | Clear |
| Compatible Material | Concrete |
| Country of Publication | India |
| Customer Reviews | 3.1 out of 5 stars 21 Reviews |
| Item Form | Liquid |
| Manufacturer | 10/2A Umakanta Sen Lane, Kolkata - 700030, WB. Customer Care - 9007940029, CalTek Corporation |
| Manufacturer Contact Information | 10/2A Umakanta Sen Lane, Kolkata - 700030, WB. Customer Care - 9007940029 |
| Material | Polycarboxylate Ether |
| Material Type | Polycarboxylate Ether |
| Net Quantity | 1.00 Count |
| Number of Items | 100 |
| Packer Contact Information | 10/2A Umakanta Sen Lane, Kolkata - 700030, WB. Customer Care - 9007940029 |
| Unit Count | 1.00 Count |
| Water Resistance Level | Not Water Resistant |

## Product Details

- **Brand:** CalTek Corporation
- **Item Form:** Liquid
- **Material:** Polycarboxylate Ether
- **Net Quantity:** 1.00 Count
- **Water Resistance Level:** Not Water Resistant

## Images

![CT Rapid Hard - Hardener for Paver Block, Chequered Tiles, Cover Block, Cement Concrete Precast Boundary Wall, Electric Pole, AAC Block, RCC Hume Pipe I 1Kg - Image 1](https://m.media-amazon.com/images/I/51v5pwVP3YL.jpg)
![CT Rapid Hard - Hardener for Paver Block, Chequered Tiles, Cover Block, Cement Concrete Precast Boundary Wall, Electric Pole, AAC Block, RCC Hume Pipe I 1Kg - Image 2](https://m.media-amazon.com/images/I/41Zw9FJV1tL.jpg)
![CT Rapid Hard - Hardener for Paver Block, Chequered Tiles, Cover Block, Cement Concrete Precast Boundary Wall, Electric Pole, AAC Block, RCC Hume Pipe I 1Kg - Image 3](https://m.media-amazon.com/images/I/51kfOpfSdiL.jpg)
![CT Rapid Hard - Hardener for Paver Block, Chequered Tiles, Cover Block, Cement Concrete Precast Boundary Wall, Electric Pole, AAC Block, RCC Hume Pipe I 1Kg - Image 4](https://m.media-amazon.com/images/I/61vRnU9d2jL.jpg)
![CT Rapid Hard - Hardener for Paver Block, Chequered Tiles, Cover Block, Cement Concrete Precast Boundary Wall, Electric Pole, AAC Block, RCC Hume Pipe I 1Kg - Image 5](https://m.media-amazon.com/images/I/5143ukoq0aL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Best quality
*by S***Y on 24 September 2025*

Best quality hardener

### ⭐ Dosent hard any cement
*by Y***H on 24 July 2025*

Not good dosent hard any cement. Quantity is not good

### ⭐⭐⭐⭐ Recommended
*by S***R on 15 November 2025*

I was used that product regularly it gives a better result even hardness and curing time... Highly recommended to buyers...

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**Shop now:** [https://www.desertcart.vn/products/641833401-ct-rapid-hard-hardener-for-paver-block-chequered-tiles-cover](https://www.desertcart.vn/products/641833401-ct-rapid-hard-hardener-for-paver-block-chequered-tiles-cover)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-05*