---
product_id: 54218820
title: "Polytek 74-30 Liquid Polyurethane Rubber (16lb Kit)"
brand: "polytek"
price: "13229176₫"
currency: VND
in_stock: true
reviews_count: 2
category: "Polytek"
url: https://www.desertcart.vn/products/54218820-polytek-74-30-liquid-polyurethane-rubber-16lb-kit
store_origin: VN
region: Vietnam
---

# 16 hr Demold Time 1:1 Mix Ratio precision Shore A30 durable hardness Polytek 74-30 Liquid Polyurethane Rubber (16lb Kit)

**Brand:** polytek
**Price:** 13229176₫
**Availability:** ✅ In Stock

## Summary

> 🛠️ Mold like a pro, cure with confidence!

## Quick Answers

- **What is this?** Polytek 74-30 Liquid Polyurethane Rubber (16lb Kit) by polytek
- **How much does it cost?** 13229176₫ 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/54218820-polytek-74-30-liquid-polyurethane-rubber-16lb-kit)

## Best For

- polytek enthusiasts

## Why This Product

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

## Key Features

- • **Optimal Work Window:** 25-30 min pour time gives you control without rush
- • **Crystal Clear Finish:** Amber cured color adds professional polish to your molds
- • **Long-Lasting Strength:** Shore A30 hardness delivers resilient, flexible molds
- • **Versatile Application:** Pourable or brush-on with thickener for custom projects
- • **Perfectly Balanced Mix:** Exact 1A:1B ratio ensures flawless curing every time

## Overview

Polytek 74-30 is a premium two-part liquid polyurethane rubber kit with a precise 1:1 mix ratio, curing to a durable Shore A30 hardness in 16 hours. Its pourable formula offers a 25-30 minute working time and an attractive amber finish, ideal for creating flexible, long-lasting molds in professional and creative applications.

## Description

Poly 74-30 Liquid Rubber is a two-part, liquid polyurethane system that cures (RTV) to an amber (color varies), Shore A30 rubber. This is a pourable rubber, but it can be easily thickened with PolyFiber II Thickener for brush-on application.

Review: Awesome stuff - It was ok. It was nearly impossinle to get into the containers though. It was also very difficult to pour out of the large pails. But the silicone runner was amazingly stong and i was able to pour massive amounts and it set up beautifully with no tackiness and no cracks. It is insanely durable and i would recommend highly for anyone making moulds
Review: I always use Polytek products! - Good stuff!!!

## Features

- Mix Ratio: 1A:1B
- Shore Hardness: A30
- Pour Time: 25-30 min.
- Demold Time: 16 hr.
- Cured Color: Amber/Varies

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Best Sellers Rank | #470,555 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #2,674 in Sculpture Molding & Casting Products |
| Customer Reviews | 4.9 out of 5 stars 14 Reviews |

## Images

![Polytek 74-30 Liquid Polyurethane Rubber (16lb Kit) - Image 1](https://m.media-amazon.com/images/I/51mtLJVqXlL.jpg)

## Questions & Answers

**Q: Any idea why some spots didn’t cure? Several parts left liquid under the skin. Any way to fix this?**
A: Mix materials separately then be sure to mix thoroughly when combined. If that doesn’t work, your material is likely old or has been exposed to air and the separate parts have solidified in small areas.

**Q: What specific items come included in this “kit”?**
A: Two gallons of material. One part A and one part B.

**Q: Is it thermally conductive?**
A: No

**Q: Can this be used for making molds for resin?**
A: Yes. But it will Ned a release agent or the resin will stick to the mold.

## Customer Reviews

### ⭐⭐⭐⭐ Awesome stuff
*by S***R on January 6, 2021*

It was ok. It was nearly impossinle to get into the containers though. It was also very difficult to pour out of the large pails. But the silicone runner was amazingly stong and i was able to pour massive amounts and it set up beautifully with no tackiness and no cracks. It is insanely durable and i would recommend highly for anyone making moulds

### ⭐⭐⭐⭐⭐ I always use Polytek products!
*by W***M on October 1, 2020*

Good stuff!!!

## Frequently Bought Together

- Polytek 74-30 Liquid Polyurethane Rubber (16lb Kit)
- Polytek Pol Ease 2300 Release Agent (1 Can)
- Polytek Pol-Ease 2500 Release Agent (12oz. Can)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-06-22*