Vacuum Casting Services Urethane

WHAT IS POLYURETHANE VACUUM CASTING?

Polyurethane Resin Vacuum Casting Services

Vacuum casting is a low-volume manufacturing process where liquid polyurethane resin is poured into a silicone mold under vacuum conditions to eliminate air entrapment and ensure precise replication of a master pattern.

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3D Designing & Scanning

Polyurethane Vacuum Casting for Low-Volume Production & Functional Validation

At Indium-Protofy 3D, We deliver high-accuracy resin parts with exceptional surface finish, material versatility, and short lead times—ideal for functional validation, pilot production, and market testing. Vacuum casting delivers injection-molding–like quality for low-volume production, bridge manufacturing, and market validation—without the capital investment of hard tooling.

Vacuum casting provides:

Production-quality surface finish
Near-production material simulation
Fast mold turnaround
Economical runs from 10–200 units
Reduced financial exposure during product validation

Designed for validation before committing to steel molds.

High-Fidelity Capture:

A Critical First Step to Production High-Fidelity Capture: The Foundation for Performance

Ensuring that every part—whether copied, modified, or newly designed—starts with traceable, accurate data.

Our 3D designing and scanning solutions benefit automotive, aerospace, healthcare, industrial, consumer, and R&D sectors, providing reliable data for prototyping, manufacturing, and digital archiving.

How Vacuum Casting Process Works?

A proven 6-step process refined over 15 years to deliver consistently excellent results — every time.

Design & Consultation

Submit your CAD files and specifications. Our engineering team reviews your design for manufacturability and recommends optimal materials and processes.

DFM analysis and recommendations
Material selection guidance
Quote generation within 24 hour
Technical consultation

Est. 1-2 Days

Master pattern quality determines the final part finish.

Master Pattern Creation

High-resolution SLA/SLS master patterns are produced and hand-finished to your required surface quality (Ra 0.8–6.3 µm).

Layer heights as low as 25 microns
Hand-finished for perfect surface quality
Metrology verification of critical dimensions

Est. 1-2 Days

Master pattern quality determines the final part finish.

Silicone Mold Fabrication

The master is suspended in a casting frame and encased in platinum-cure silicone. Mold curing takes 8–12 hours under controlled conditions.

Layer heights as low as 25 microns
Hand-finished for perfect surface quality
Metrology verification of critical dimensions

Est. 1-2 Days

Master pattern quality determines the final part finish.

Vacuum Degassing

Polyurethane resin is mixed and vacuum-degassed in our climate-controlled chamber (25°C, 45% RH) to eliminate air bubbles.

Layer heights as low as 25 microns
Hand-finished for perfect surface quality
Metrology verification of critical dimensions

Est. 1-2 Days

Master pattern quality determines the final part finish.

Casting & Curing

Degassed resin is cast into the silicone mold under full vacuum. Parts cure at 40–70°C in our precision ovens for optimal mechanical properties.

Layer heights as low as 25 microns
Hand-finished for perfect surface quality
Metrology verification of critical dimensions

Est. 1-2 Days

Master pattern quality determines the final part finish.

Finishing & QC

Parts are removed, trimmed, inspected against your specifications using CMM and visual inspection, then finished (paint, texture, polish) as required.

Layer heights as low as 25 microns
Hand-finished for perfect surface quality
Metrology verification of critical dimensions

Est. 1-2 Days

Master pattern quality determines the final part finish.

Optimization Services

Specialized Design & Optimization Services

Our Integrated Digital Engineering Work flow lets you concentrate on precision, integration, and the enablement of complex AM parts. Our team tailors designs specifically for 3D printing and additive manufacturing processes, enabling faster builds, stronger parts, and material efficiency that traditional methods can’t match.

Vacuum Casting vs 3D Printing vs Injection Molding

Capability	Vacuum Casting	3D Printing	Injection Molding
Ideal Volume	10–200 units	1–50 units	5,000+ units
Tooling Cost	Low	None	High
Surface Finish	Production-like	Layered (depends on tech)	Industrial-grade
Material Simulation	Yes (PU resins)	Limited polymer types	True thermoplastics
Lead Time	Moderate	Fast	Longer setup
Best Use Case	Bridge production	Early prototype	Mass manufacturing

Why settle for 3D printed textures when you can have production-grade finishes

From Fortune 500 enterprises to innovative startups, we serve demanding industries with the precision and reliability they require.

Markets We Serve

Automotive

Dashboards, trims, housings

Medical

Devices, instruments, enclosures

Electronics

Enclosures, connectors, covers

Aerospace

Interior, tooling, ducting

Robotics

Grippers, housings, joints

Consumer

Wearables, appliances, toys