---
product_id: 51668997
title: "Smooth-Cast 65D 1.9 lb Urethane Casting Resin, White, Liquid, Semi-Rigid Plastic, Vibrant Colors Possible"
brand: "smooth-on"
price: "A$209"
currency: AUD
in_stock: true
reviews_count: 1
url: https://www.desertcart.com.au/products/51668997-smooth-cast-65d-1-9-lb-urethane-casting-resin-white
store_origin: AU
region: Australia
---

# 2.5 min pot life for fast workflow Supports vibrant custom colors 1:1 mix ratio for easy precision Smooth-Cast 65D 1.9 lb Urethane Casting Resin, White, Liquid, Semi-Rigid Plastic, Vibrant Colors Possible

**Brand:** smooth-on
**Price:** A$209
**Availability:** ✅ In Stock

## Summary

> 🎯 Cast smarter, not harder — lightweight, durable, and brilliantly colorful!

## Quick Answers

- **What is this?** Smooth-Cast 65D 1.9 lb Urethane Casting Resin, White, Liquid, Semi-Rigid Plastic, Vibrant Colors Possible by smooth-on
- **How much does it cost?** A$209 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/51668997-smooth-cast-65d-1-9-lb-urethane-casting-resin-white)

## Best For

- smooth-on enthusiasts

## Why This Product

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

## Key Features

- • **Custom Color Freedom:** Add SO-Strong or Ignite pigments to make your creations pop with vibrant, eye-catching hues.
- • **Fast Yet Flexible Curing:** 2.5-minute pot life with a 10-minute demold time keeps your projects moving swiftly.
- • **Lightweight Hollow Casts:** Rotational casting creates hollow, solid-looking parts that cut material costs dramatically.
- • **Durable Semi-Rigid Finish:** 65D Shore hardness delivers impact and abrasion resistance for professional-grade results.
- • **Effortless Precision Mixing:** 1:1 volume ratio means no guesswork, saving you time and material.

## Overview

Smooth-On Smooth-Cast 65D is a low-cost, semi-rigid urethane resin designed for rotational casting. It features a unique gradual cure profile with a 1:1 mix ratio and low viscosity to minimize bubbles. The resin cures quickly (2.5 min pot life, 10 min demold) into durable, impact-resistant parts that can be hollow or solid. Compatible with vibrant color tints, it’s perfect for industrial, artistic, and prototyping applications.

## Description

SmoothCast 65D (Formerly SmoothCast ROTO) has a unique gradual cure profile that makes it ideal for rotational casting applications.Castings will be hollow and lightweight but have the appearance of being solid, allowing you to use less material to attain the same finished look (substantially lowering your material costs). Fully cured castings are semirigid and exhibit good impact resistance. Castings resist moisture and mild solvents and can be machined, sanded and painted. 65D can also be cast solid for a variety of industrial and artrelated applications. MIX RATIO:1:1 by volume: POT LIFE: 2.5 minute; DEMOLD TIME:10 minute; Mixed viscocity 2400 cps: SHORE HARDNESS" 65D COLOR: WHITE Read MSDS before use for more information visit www.smoothon.com

## Features

- unique gradual cure profile that makes it ideal for rotational casting applications ("roto-cast") in a machine or by hand.
- Low-cost semi-rigid urethane casting resin
- Low viscosity for minimal bubble entrapment
- Semi-rigid plastic has good impact and abrasion resistance
- Vibrant colors are possible by adding SO-Strong color tints or Ignite color pigments.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Smooth-On |
| Model Number | 88559 |
| Colour | White |
| Product Dimensions | 15.24 x 7.62 x 15.24 cm; 907.18 g |
| Material | Resin |
| Special Features | Unique Gradual Cure Profile, Low-Cost, Low Viscosity, Semi-Rigid Plastic, Vibrant Colors Possible |
| Item Weight | 907 g |

## Product Details

- **Brand:** Smooth-On
- **Specific uses for product:** Model, Art, Industrial
- **Material:** Resin
- **Item form:** Liquid
- **Special feature:** Unique Gradual Cure Profile, Low-Cost, Low Viscosity, Semi-Rigid Plastic, Vibrant Colors Possible

## Images

![Smooth-Cast 65D 1.9 lb Urethane Casting Resin, White, Liquid, Semi-Rigid Plastic, Vibrant Colors Possible - Image 1](https://m.media-amazon.com/images/I/7193f-zWhPL.jpg)

## Questions & Answers

**Q: Will this withstand outside elements after coating and primer and painted?**
A: Yes, my parents have a statue I jade from this in their garden for the last 5 years, no problems.

**Q: After its cured, can you prime and paint it?**
A: Yep, it's just like normal plastic.

**Q: I'm making a close-fitting helmet that needs to be flexed slightly to put on/take off, would the 65D stand up to such use?**
A: Depends on the thickness/size/shape but it is a pretty flexible but rigid material.

**Q: Does this product require degassing?**
A: No, just mix 1:1 ratio and use; my experience- pot life is shorter then stated for the mixture

## Customer Reviews

### ⭐⭐⭐⭐⭐ Overall great
*by R***N on 7 November 2020*

Great product.Expensive postage.

## Frequently Bought Together

- Smooth-On - Smooth-Cast™ 65D Semi-Rigid Urethane Casting Resin - Trial Size Unit
- Mold Star 15 Slow - 1A:1B Mix by Volume Platinum Silicone Rubber - Pint Unit
- Smooth-On Universal™ Mold Release Spray, 14 fl. oz. Aerosol Can

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**Shop now:** [https://www.desertcart.com.au/products/51668997-smooth-cast-65d-1-9-lb-urethane-casting-resin-white](https://www.desertcart.com.au/products/51668997-smooth-cast-65d-1-9-lb-urethane-casting-resin-white)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-20*