---
product_id: 63864829
title: "Polytek PT Flex 85 Liquid Rubber (4lb Kit)"
brand: "polytek"
price: "588 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/63864829-polytek-pt-flex-85-liquid-rubber-4lb-kit
store_origin: PL
region: Poland
---

# 2 hr Demold Time 5 min Pour Time 1A:1B Mix Ratio Polytek PT Flex 85 Liquid Rubber (4lb Kit)

**Brand:** polytek
**Price:** 588 zł
**Availability:** ✅ In Stock

## Summary

> ✨ Flex Your Imagination with PolytekPT Flex 85!

## Quick Answers

- **What is this?** Polytek PT Flex 85 Liquid Rubber (4lb Kit) by polytek
- **How much does it cost?** 588 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/63864829-polytek-pt-flex-85-liquid-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

- • **Vibrant Finish:** Enjoy a stunning yellow/amber cured color.
- • **Quick & Efficient:** Pour in just 5 minutes and demold in 2 hours!
- • **Durable & Reliable:** Achieve a robust A85 hardness for lasting results.
- • **Unleash Your Creativity:** Transform ideas into reality with ease!
- • **Perfect for Professionals:** Ideal for makers, artists, and DIY enthusiasts alike.

## Overview

The PolytekPT Flex 85 Liquid Rubber (4lb Kit) is a high-performance, two-part liquid rubber designed for creating flexible molds and castings. With a convenient 1A:1B mix ratio, a quick pour time of just 5 minutes, and a demold time of 2 hours at room temperature, this product is perfect for professionals seeking efficiency and quality. The cured rubber boasts a Shore hardness of A85 and a vibrant yellow/amber color, making it an excellent choice for a variety of applications.

## Description

PT Flex 85 Liquid Rubber is a two-part, liquid polyurethane system that cures (RTV) to a yellow/amber, Shore A85 rubber. PT Flex Series rubbers were specifically designed for prototyping and model making applications and offer fast pour times (~5 minutes) and fast demold times (~2 hours). Notes: The color of polyurethane Part Bs may change in color from batch to batch or with time, but product performance is not affected.

## Features

- Mix Ratio: 1A:1B
- Shore Hardness: A85
- Pour Time: 5 min.
- Cured Color: Yellow/Amber
- Demold Time: 2 hr. at room temp.

## Images

![Polytek PT Flex 85 Liquid Rubber (4lb Kit) - Image 1](https://m.media-amazon.com/images/I/414ifJpO8iL.jpg)

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**Shop now:** [https://www.desertcart.pl/products/63864829-polytek-pt-flex-85-liquid-rubber-4lb-kit](https://www.desertcart.pl/products/63864829-polytek-pt-flex-85-liquid-rubber-4lb-kit)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-05-04*