---
product_id: 59962961
title: "Polycraft LD40 Expanding Polyurethane Foam - Hard/Rigid - 500ml Kit"
brand: "polycraft ( mb fibreglass )"
price: "€ 56.57"
currency: EUR
in_stock: true
reviews_count: 1
category: "Polycraft ( Mb Fibreglass )"
url: https://www.desertcart.be/products/59962961-polycraft-ld40-expanding-polyurethane-foam-hard-rigid-500ml-kit
store_origin: BE
region: Belgium
---

# Marine-grade buoyancy support 40 kg/m³ density for robust rigidity Thermal insulation for large-scale applications Polycraft LD40 Expanding Polyurethane Foam - Hard/Rigid - 500ml Kit

**Brand:** polycraft ( mb fibreglass )
**Price:** € 56.57
**Availability:** ✅ In Stock

## Summary

> 🧱 Build smarter, insulate better, and float ahead with Polycraft LD40!

## Quick Answers

- **What is this?** Polycraft LD40 Expanding Polyurethane Foam - Hard/Rigid - 500ml Kit by polycraft ( mb fibreglass )
- **How much does it cost?** € 56.57 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/59962961-polycraft-ld40-expanding-polyurethane-foam-hard-rigid-500ml-kit)

## Best For

- polycraft ( mb fibreglass ) enthusiasts

## Why This Product

- Trusted polycraft ( mb fibreglass ) brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Precision Mix Ratio:** 1:1 component ratio with ±2% accuracy for flawless application
- • **Marine-Ready Buoyancy:** Trusted by marine industry for reliable flotation support
- • **Eco-Friendly Rigid Foam:** CFC & HCFC free formula for sustainable building
- • **Gradual Rise Technology:** Controlled expansion ensures perfect fill in large volumes
- • **Versatile Thermal Insulation:** Ideal for panels, water heaters, and refrigerated containers

## Overview

Polycraft LD40 is a high-performance, eco-friendly rigid polyurethane foam kit with a density of 40 kg/m³, designed for precise, gradual expansion. Perfect for thermal insulation in large panels, water heaters, and refrigerated containers, it also offers marine-grade buoyancy. Compatible with standard dispense equipment, LD40 ensures consistent quality with a 1:1 mix ratio and ±2% accuracy, making it the go-to solution for professional-grade moulding and insulation projects.

## Description

Product description LD40 is a two component, 1:1 ratio, CFC & HCFC FREE rigid foam system which when processed through suitable dispense machinery will produce a rigid foam of approximate density 40 kg/m³ with good compressive strength, cell structure and other physical properties. USES LD40 is a general-purpose system for use in a wide variety of moulding applications where the foam needs gradual rise. LD40 is used in the thermal insulation of large panels, water heaters, storage tanks, refrigerated containers, behind produce store pressure walls and related double skin applications. It is particularly useful for the filling of large volumes where its gradual rise and excellent flow properties are used to best advantage. EQUIPMENT LD40 can be processed through all standard foam dispense equipment. The machine should be capable of maintaining the mix ratio at ±2% accuracy and controlling the component temperatures at 20 - 50°C. For small fill quantities LD40 can be mixed manually and poured COMPONENT DESCRIPTION LD40 RESIN is a fully formulated liquid mixture. It should be stored in sealed tanks, metal containers or drums. M27 ISO is a liquid mixture containing crude diphenylmethanediisocyanate. It should be stored in sealed tanks, metal containers or drums. Legal Disclaimer Unfortunately we are unable to ship this item to, Isle of Man, Channel Islands or any Scottish Islands. Orders placed for these addresses will be cancelled and refunded due to carrier restrictions.

Review: Five Stars - Very good

## Features

- CFC & HCFC FREE Rigid Foam System
- Good compressive strength, cell structure and other physical properties
- Used in a wide variety of moulding applications where the foam needs gradual rise
- Used in the thermal insulation of large panels, water heaters and storage tanks
- Used within marine industry for buoyancy.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004D2O444 |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 1,782,150 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 6,119 in Sculpting Moulding & Casting |
| Customer Reviews | 5.0 5.0 out of 5 stars (2) |
| Date First Available | 19 Nov. 2010 |
| Manufacturer | Polycraft ( MB Fibreglass ) |

## Images

![Polycraft LD40 Expanding Polyurethane Foam - Hard/Rigid - 500ml Kit - Image 1](https://m.media-amazon.com/images/I/71k5DF6SL4L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Five Stars
*by A***R on 22 November 2016*

Very good

## Frequently Bought Together

- Polycraft LD40 Expanding Polyurethane Foam - Hard/Rigid - 500ml Kit
- 600ml Clear Plastic Mixing Cup - 10pk - No Lid
- Swindon Watersports Polyester Resin Kit, Fibreglass Resin -Inc Hardener, Lloyds, Pro Quality Encore 30, H13212 TAE (1000g)

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**Shop now:** [https://www.desertcart.be/products/59962961-polycraft-ld40-expanding-polyurethane-foam-hard-rigid-500ml-kit](https://www.desertcart.be/products/59962961-polycraft-ld40-expanding-polyurethane-foam-hard-rigid-500ml-kit)

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-06-18*