---
product_id: 54218822
title: "Polytek 74-30 Liquid Polyurethane Rubber (4lb Kit)"
brand: "polytek"
price: "₪91"
currency: ILS
in_stock: false
url: https://www.desertcart.co.il/products/54218822-polytek-74-30-liquid-polyurethane-rubber-4lb-kit
store_origin: IL
region: Israel
---

# 25-30 min pour time 1:1 precise mix ratio Shore A30 durable hardness Polytek 74-30 Liquid Polyurethane Rubber (4lb Kit)

**Brand:** polytek
**Price:** ₪91
**Availability:** ❌ Out of Stock

## Summary

> 🛠️ Mold your masterpiece with precision and style!

## Quick Answers

- **What is this?** Polytek 74-30 Liquid Polyurethane Rubber (4lb Kit) by polytek
- **How much does it cost?** ₪91 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.il](https://www.desertcart.co.il/products/54218822-polytek-74-30-liquid-polyurethane-rubber-4lb-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

- • **Reliable Durability:** Shore A30 hardness ensures flexible yet tough rubber, ideal for professional-grade molds.
- • **Crystal Clear Finish:** Cures to an attractive amber tone, adding a premium look to your molds and casts.
- • **Versatile Application:** Pourable liquid rubber that thickens easily for brush-on use with PolyFiber II Thickener—adapt to any project.
- • **Optimal Working Window:** Enjoy a generous 25-30 minute pour time that fits your creative flow without rush.
- • **Perfectly Balanced Mix:** Achieve flawless results every time with an exact 1:1 ratio—no guesswork, just precision.

## Overview

Polytek 74-30 is a two-part liquid polyurethane rubber kit featuring a precise 1:1 mix ratio, a 25-30 minute pour time, and Shore A30 hardness. It cures to an amber color and can be poured or thickened for brush application, making it a versatile choice for professional mold makers and artists seeking reliable, high-quality rubber molds.

## 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.

## 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 |
|---------------|-------|
| ASIN | B075QV8BYR |
| Best Sellers Rank | #521,268 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #3,035 in Sculpture Molding & Casting Products |
| Customer Reviews | 4.8 4.8 out of 5 stars (5) |
| Date First Available | September 18, 2017 |
| Is Discontinued By Manufacturer | No |
| Manufacturer | Polytek |

## Images

![Polytek 74-30 Liquid Polyurethane Rubber (4lb Kit) - Image 1](https://m.media-amazon.com/images/I/41DTcbDvRaL.jpg)

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**Shop now:** [https://www.desertcart.co.il/products/54218822-polytek-74-30-liquid-polyurethane-rubber-4lb-kit](https://www.desertcart.co.il/products/54218822-polytek-74-30-liquid-polyurethane-rubber-4lb-kit)

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*Product available on Desertcart Israel*
*Store origin: IL*
*Last updated: 2026-07-13*