CNC · Non-metal

CNC Insulation Material

CNC Insulation Material refers to a material commonly used in CNC machining for electrical insulation and thermal insulation. This kind of material usually has high resistivity, high temperature resistance, chemical corrosion resistance, high mechanical strength characteristics, suitable for electronic, mechanical, electrical equipment, aerospace and other fields.

Electrical Insulation

Heat Resistant

Light Weight

cnc-insulation-material

Lead Time

5~7 days

Density

0.8-1.5 g/cm³

Typical Tolerance

±0.2 mm

Max Size

3600 x 2500 x 600 mm

Material Profile

Why Insulation Material Make Sense for CNC Machining

Excellent electrical insulation

Insulation materials provide high dielectric strength and are suitable for electrical barriers, terminal blocks, fixtures, and electronic components.

Good heat resistance

Materials such as G10/FR4, mica, phenolic, and certain plastics can withstand elevated temperatures in electrical and industrial applications.

High dimensional stability

Many insulation materials maintain stable dimensions under humidity, heat, and electrical load, supporting precision CNC machined parts.

Light weight and corrosion resistance

These materials are lighter than metals and generally resist corrosion, making them useful for electrical assemblies and protective components.

Performance Snapshot

Material Characteristics at a Glance

Relative performance profile across key engineering parameters. Values are contextual — not absolute stress ratings.

Detail

Ausgezeichnet

Referenzbewertung: 5/5

Strength

Hoch

Referenzbewertung: 4/5

Flexibility

Hoch

Referenzbewertung: 4/5

Benefits

  • Excellent insulation performance
  • High temperature resistance
  • High mechanical strength
  • Light weight
  • CNC machining is good

Limitations

  • Some materials are easy to break under severe impact, some materials can not be used in high temperature environment, and the material cost is high.

Technical Specifications

CNC Insulation Material Family Data

Material Properties

Density
0.8-1.5 g/cm³
Melting Point
200-400°C
Thermal Conductivity
0.1-0.3 W/m·K
Electrical Conductivity
Insulator
Coefficient of Expansion
30-100 µm/m·K

Machining Rules

Max Build Size
3600 x 2500 x 600 mm
Minimum Wall Thickness
1 mm
Minimum Assembly Gap
0.01 mm
Minimum End Mill Size
1 mm
Minimum Drill Size
0.5 mm
Tolerances
Typical tolerances are ±0.2 mm, depending on the specific requirements of the part.

Available Finishes

Finishes That Make Sense For Insulation Materials

D

Deburring

Removes sharp edges, fibers, and burrs from machined insulation parts for safer handling and assembly.

S

Sanding

Smooths surfaces and edges to improve fit, appearance, and dimensional consistency.

P

Protective Coating

Adds a surface layer to improve moisture resistance, cleanliness, or environmental protection.

S

Silk Screening

Prints labels, markings, or assembly information directly onto insulation panels and electrical components.

Compare & Decide

Pick A Different CNC Family

Heat & Chemical Resistance

CNC Ceramics

CNC Ceramic materials refer to ceramic materials precisely machined by CNC machining technology (such as CNC cutting, engraving, grinding). Because of its high hardness, high wear resistance, high temperature stability and excellent chemical inertness, this kind of material is widely used in aerospace, electronics, medical, semiconductor and precision machinery and other fields.

Lightweight Plastic

CNC Engineering Plastics

Engineering Plastics are a class of high performance polymer materials with excellent mechanical properties, heat resistance, chemical resistance and dimensional stability. They are widely used in automotive, electronics, medical, aerospace, industrial manufacturing and other fields, especially for CNC machining to manufacture high-precision parts.

Flexible & Resilient

CNC Rubber

CNC Rubber is a class of elastic materials commonly used in applications requiring high elasticity, compression resistance and shock absorption. Compared with metal and engineering plastics, rubber has excellent softness, wear resistance, sealing and fatigue resistance. When CNC machining rubber materials, special attention needs to be paid to their softness and elastic characteristics to ensure cutting accuracy and performance.

Nächster Schritt

Bereit, Teile aus Insulation Material zu bearbeiten?

Laden Sie Ihre CAD-Datei hoch und fügen Sie eine 2D-Zeichnung für toleranzkritische Merkmale, Gewinde, Oberflächenanforderungen und Prüfhinweise hinzu.

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