> Products > > Urethane Casting Rubber

Urethane Casting Rubber

Urethane Casting Rubber: High-Performance Material for Detailed Prototypes and Parts

When creating high-fidelity prototypes, functional parts, or short-run production items, selecting the right material is paramount. This is where Urethane Casting Resin excels. Our premium Urethane Casting Materials are engineered to deliver exceptional detail reproduction, durability, and a range of physical properties that mimic production-grade plastics and rubbers. To achieve optimal results with these advanced materials, a controlled Urethane Casting Process is essential, often supported by a reliable Urethane Casting Machine for consistent mixing and degassing, ensuring bubble-free casts every time.

Our specific formulation of Urethane Casting Rubber is a two-part, liquid polymer system designed for vacuum casting applications. It is renowned for its high tear strength, excellent abrasion resistance, and the ability to capture extremely fine details from master patterns. This Urethane Casting Rubber exhibits low viscosity for easy pouring and de-airing, along with a controllable pot life and cure time to suit various project scales and complexities. It cures at room temperature to form a solid, resilient rubber that can withstand functional testing and repeated use.

Key Physical Properties of Our Urethane Casting Rubber

High Tear Strength: Resists tearing and propagation of nicks or cuts.
Excellent Abrasion & Impact Resistance: Durable for functional parts and prototypes.
Superior Detail Reproduction: Captures intricate textures and fine features accurately.
Low Viscosity: Ensures easy mixing and de-airing, minimizing bubble entrapment.
Room Temperature Cure: Simplifies the casting process without requiring ovens.
Variable Shore Hardness: Available in a range from soft, flexible grades to semi-rigid formulations.

Detailed Technical Specifications

Property	Test Method	Value / Range
Mixed Viscosity	Brookfield LVF	600 - 900 cPs
Pot Life (100g mass)	ASTM D2471	10 - 15 minutes
Demold Time	-	16 - 24 hours
Shore Hardness	ASTM D2240	Shore A 20 - Shore A 80
Tensile Strength	ASTM D412	450 - 600 psi
Elongation at Break	ASTM D412	350 - 500%
Tear Strength (Die C)	ASTM D624	80 - 120 pli
Specific Gravity	ASTM D792	1.02 - 1.05
Color (as supplied)	Visual	Translucent, White, or Black

Recommended Mixing Ratio and Handling

Component	Ratio by Weight	Ratio by Volume
Part A (Resin)	100	100
Part B (Hardener)	10 - 30	10 - 30

Hot Products

Ejector Pin and Ejector Sleeve
The Mudebao Ejector Pin and Ejector Sleeve, crafted by a reputable China-based manufacturer and supplier, embodies exceptional quality that sets it apart in the market. As a dedicated producer, our company specializes in the manufacturing of precision mold components for various industries, ensuring every product meets the highest standards of durability and accuracy.
Zinc CNC Parts
The Mudebao Zinc CNC Parts represent the epitome of precision and craftsmanship, emanating from a renowned manufacturer and supplier situated in China. As a leading player in the industry, we specialize in offering a comprehensive range of zinc CNC parts that are meticulously designed and manufactured to meet the most stringent quality standards.
Magnesium CNC Parts
The Mudebao Magnesium CNC Parts embody the pinnacle of innovation and quality, hailing from a prestigious manufacturer and supplier nestled in China. As a leading player in the industry, we specialize in crafting magnesium CNC parts that push the boundaries of precision and durability.
Cavity And Core Completed Machining
Mudebao Cavity and Core Completed Machining, situated in China, is a renowned manufacturer and supplier of precision-engineered cavity and core components for the mold-making industry. Our expertise in this field stems from years of experience and a relentless pursuit of excellence in every aspect of our operations.
Precise Inserts
Mudebao Precise Inserts, a leading manufacturer and supplier from China, specializes in crafting high-precision inserts for a wide array of industrial applications. Our commitment to excellence and attention to detail have earned us a reputation for delivering unparalleled quality and reliability in the market.
Urethane Casting
Mudebao Urethane Casting, a reputable manufacturer and supplier from China, specializes in offering premium-quality urethane casting solutions to a diverse range of industries. With years of experience and expertise in the field, we have established ourselves as a leading provider of custom-made urethane parts and products that meet the highest standards of quality and performance.

Related Blog
Reviews

Definitions of Moldbase and Standard Part
Today, let's discuss two often confusing terms in the mold industry: Moldbase and Standard Part. Despite their stylish names, they essentially represent the mold's "steel skeleton" and "standard parts library." Let's start with the moldbase.
Why Rapid Prototypes Are Revolutionizing Product Development
In today’s fast-paced market, Rapid Prototypes have become a game-changer for businesses looking to innovate quickly and efficiently. Whether you're in automotive, aerospace, medical, or consumer electronics, rapid prototyping accelerates design validation, reduces costs, and shortens time-to-market. But what exactly makes this technology indispensable? Let’s dive deep into the why, how, and what behind rapid prototypes.
What Is the Function of Standard Part?
In today’s global manufacturing ecosystem,has become central to engineers, procurement specialists, and business owners alike. Standard parts, also called general-purpose mechanical components, are those universally recognized, dimensionally consistent, and functionally reliable pieces used across industries to ensure compatibility, efficiency, and durability. These include items such as bolts, nuts, screws, washers, pins, bearings, seals, and fasteners that conform to international or national standards
How Do Ejector Pin and Ejector Sleeve Improve Molding Precision and Productivity?
In the world of plastic injection molding and die casting, ejector pins and ejector sleeves play a crucial but often overlooked role. They are small, yet essential components responsible for pushing the molded part out of the cavity once the cooling and solidification process is complete. Without these components, smooth and efficient mold ejection would be nearly impossible.
Why Moldbase and Standard Part Are Essential for Efficient Production
When I first started working in mold production, I quickly realized how much of a difference high-quality Moldbase and Standard Part make in daily operations. At Moldburger, we pride ourselves on providing reliable components that not only increase efficiency but also reduce downtime in mold manufacturing.
How Do Wear Plates Transform Industrial Durability and Future Performance?
Wear plates are engineered protective components designed to resist abrasion, impact, heat, and chemical corrosion in demanding industrial environments. They function as sacrificial surfaces installed on equipment to extend service life, reduce operational downtime, and optimize long-term maintenance costs. Industries such as mining, construction, steel processing, cement manufacturing, and bulk material handling rely heavily on wear plates to counter extreme mechanical wear.

Urethane Casting Rubber