MACOR® is a machinable glass-ceramic developed by Corning® that offers a unique balance of high-temperature performance, electrical insulation, and ease of machining. It allows tight-tolerance CNC machining without sintering, making it ideal for R&D, aerospace, medical, and semiconductor applications that demand ceramic properties with rapid turnaround.
MACOR is a fluorophlogopite-based machinable glass-ceramic that can be machined with standard carbide tools, eliminating the need for diamond tooling or high-temperature post-processing. It offers excellent dielectric strength, thermal resistance, and chemical durability, making it one of the most versatile materials in technical prototyping and custom ceramic components.
We offer CNC machining for high-purity sintered MACOR®.
~250 GPa (Vickers Hardness)
~2.52 g/cm³
~1.46 W/m·K
>10¹⁴ Ω·cm
Moderate
Good
~94 MPa
345 MPa
Need a specific MACOR® composition? We offer custom material options tailored to your project requirements. Contact us to discuss your needs.
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Challenges & Solutions
MACOR is softer and easier to machine than traditional ceramics but requires careful handling to avoid micro-cracking or edge chipping. We provide:
Tolerances Achievable for Machined MACOR®
MACOR is trusted in prototyping and specialized production where rapid ceramic machining and thermal/electrical performance are required.
Industries Served:
To meet strict industry standards, we offer advanced surface treatments for MACOR® parts:
Smooth surfaces for insulation or mounting.
Permanent, non-invasive part ID.
Prevents flaking and improves handling.
We prioritize operational efficiency to reduce costs and expedite delivery.
Our collaboration with diverse partners, each with unique machinery and expertise, enables us to overcome complex manufacturing challenges.
Backed by 100+ carefully vetted, closely partnered experts, we fulfill your on-demand manufacturing needs at scale.
Every part we ship is meticulously inspected in our in-house lab to ensure it meets consistent design and quality standards.
Alumina (Al₂O₃) is a durable ceramic used for high-strength, high-temperature parts in precision industries.
High fracture toughness and wear resistance.
Excellent thermal conductivity and electrical insulation.
Used for optical and semiconductor applications.
Essential for semiconductor wafer processing.
Looking for more ceramic machining options? Check out our Alumina (Al₂O₃) CNC Machining services.
Looking for high-precision MACOR® machining? InstaVoxel delivers expert CNC machining, fast lead times, and superior quality. Contact us today to discuss your project.
