---
product_id: 47805164
title: "Polytek Poly 74-20 Liquid Polyurethane Rubber (6-lb Kit) - Yellow, Soft, Pourable, Ideal for Intricate Molds"
brand: "polytek"
price: "S/.796"
currency: PEN
in_stock: true
reviews_count: 1
category: "Polytek"
url: https://www.desertcart.pe/products/47805164-polytek-poly-74-20-liquid-polyurethane-rubber-6-lb-kit
store_origin: PE
region: Peru
---

# 16 hr demold time Soft Shore A20 rubber 1:2 mix ratio precision Polytek Poly 74-20 Liquid Polyurethane Rubber (6-lb Kit) - Yellow, Soft, Pourable, Ideal for Intricate Molds

**Brand:** polytek
**Price:** S/.796
**Availability:** ✅ In Stock

## Summary

> 🟡 Mold your masterpiece with the softest touch in the game!

## Quick Answers

- **What is this?** Polytek Poly 74-20 Liquid Polyurethane Rubber (6-lb Kit) - Yellow, Soft, Pourable, Ideal for Intricate Molds by polytek
- **How much does it cost?** S/.796 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/47805164-polytek-poly-74-20-liquid-polyurethane-rubber-6-lb-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 Full Cure:** 16-hour demold time guarantees durable, high-fidelity polyurethane rubber molds.
- • **Extended Work Window:** 20-minute pour time gives you ample time to perfect your mold setup without rush.
- • **Versatile Application:** Ideal for intricate molds in glass, wood, furniture, and tabletop coatings.
- • **Ultra-Soft Flexibility:** Shore A20 softness delivers delicate detail capture and easy mold release.
- • **Effortless Precision Pouring:** Pourable liquid formula ensures flawless, bubble-free molds every time.

## Overview

Polytek Poly 74-20 is a premium two-part liquid polyurethane rubber kit featuring a 1:2 mix ratio, Shore A20 softness, and a 16-hour cure time. Its pourable consistency and long working time make it perfect for creating highly detailed, flexible molds ideal for glass, wood, and furniture projects.

## Description

Poly 74-20 Liquid Rubber is a two-part, liquid polyurethane system that cures (RTV) to a yellow, Shore A20 rubber. This is the softest rubber in the Poly 74-Series line of polyurethane mold rubbers. Poly 74-20 is a pourable rubber, but it can be easily thickened with PolyFiber II Thickener for brush-on application.

Review: Great rubber mold for glass - A great rubber molding product.

## Features

- Mix Ratio: 1A:2B
- Shore Hardness: A20
- Pour Time: 20 min.
- Demold Time: 16 hr.
- Cured Color: Yellow

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B075QMN45F |
| Best Sellers Rank | #644,336 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #3,411 in Sculpture Molding & Casting Products |
| Brand | Polytek |
| Color | Yellow |
| Customer Reviews | 5.0 5.0 out of 5 stars (1) |
| Date First Available | September 18, 2017 |
| Full Cure Time | 16 Hours |
| Is Discontinued By Manufacturer | No |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Volume | 3 Quarts |
| Item model number | 74-20 |
| Manufacturer | Polytek |
| Material | Polyurethane |
| Package Information | Box |
| Special Feature | Liquid Rubber, Long Demold Time, High Flexibility |
| Specific Uses For Product | Masonry, Casting, Countertop, Carpentry, Furniture, Wood, Glass, Table Top Coating |
| Tensile Strength | 217 Pounds Per Square Inch |
| UPC | 686603381625 |
| Viscosity | 800 cP |
| Water Resistance Level | Not Water Resistant |

## Product Details

- **Brand:** Polytek
- **Item Form:** Liquid
- **Material:** Polyurethane
- **Special Feature:** Liquid Rubber, Long Demold Time, High Flexibility
- **Specific Uses For Product:** Masonry, Casting, Countertop, Carpentry, Furniture, Wood, Glass, Table Top Coating

## Images

![Polytek Poly 74-20 Liquid Polyurethane Rubber (6-lb Kit) - Yellow, Soft, Pourable, Ideal for Intricate Molds - Image 1](https://m.media-amazon.com/images/I/51AG6RxYMvL.jpg)

## Questions & Answers

**Q: For the "6 lb. kit", what is the comparable in fluid ounces?  (Is the photo a quantity of 3 -single quart cans?)**
A: You get two part A and 1 part B. The ratio is 2:1. Yes all quarts

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great rubber mold for glass
*by A***N on June 22, 2024*

A great rubber molding product.

## Frequently Bought Together

- Polytek Poly 74-20 Liquid Polyurethane Rubber (6-lb Kit) - Yellow, Soft, Pourable, Ideal for Intricate Molds
- Polytek Pol Ease 2300 Release Agent (1 Can)

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*Product available on Desertcart Peru*
*Store origin: PE*
*Last updated: 2026-01-25*