YILONG specializes in Mica CNC Machined Parts, offering customized processing solutions based on advanced CNC turning, milling, and cutting technologies. We manufacture mica components in various shapes and sizes, including mica gaskets, washers, flanges, tubes, rings, and discs, fully according to customer drawings and technical requirements.
With extensive experience in mica sheet processing, YILONG ensures stable quality, tight tolerances, and reliable performance for demanding industrial applications.

CNC Machined Mica Parts are produced from rigid mica sheets or mica plates, which provide excellent mechanical strength, electrical insulation, and thermal resistance under normal and elevated temperature conditions.
l These mica machined components are widely used in:
l Home appliances
l Welding machines
l Electrical heating elements
l Lighting equipment
l Industrial insulation systems
The optimal processing method depends on several key factors:
l Material thickness (thin sheets vs. thick plates)
l Order quantity (prototype, small batch, or mass production)
l Precision and edge quality requirements
Processing Thin Mica Sheets (0.1 mm – 1.0 mm)
Die Punching
Best suited for large-volume production (1,000+ pieces). It offers fast production speed and low unit cost, but requires high initial mold investment and is not suitable for thick mica.
Laser Cutting
Ideal for prototypes and small batches. No tooling is required and precision is high, though slight edge charring may occur.
Waterjet Cutting
Suitable for medium-thickness mica sheets. It is a cold-cutting process with smooth edges, but the processing speed and cost are higher.
Ultrasonic Cutting
Best for very thin mica sheets below 1 mm. It provides clean cuts with minimal dust, but is limited in thickness capability.
Processing Thick Mica Plates (1.0 mm – 10 mm and Above)
CNC Machining
Recommended for high-precision Mica Parts with tight tolerances. It provides excellent dimensional control, typically within ±0.2 mm, but involves higher processing cost.
Waterjet Cutting
Ideal for thick mica plates above 3 mm. It produces smooth edges without thermal stress.
Diamond Saw Cutting
Used for simple shapes and straight cuts. It is fast but leaves rough edges, often requiring additional polishing.
By Thickness
l Below 1 mm: Laser cutting, ultrasonic cutting, die punching
l 1–3 mm: Laser cutting, waterjet cutting, CNC machining
l Above 3 mm: Waterjet cutting, diamond saw cutting, CNC machining
By Quantity
l Prototypes (1–10 pcs): Laser cutting or CNC machining
l Small batches (50–500 pcs): Waterjet cutting or CNC machining
l Mass production (1,000+ pcs): Die punching (if thickness allows)
By Precision and Edge Quality
l High precision (±0.2 mm): CNC machining or laser cutting
l Smooth edges without burrs: Waterjet cutting or ultrasonic cutting
l Fast and economical production: Die punching for thin mica sheets
l For reference, size tolerance control:
l Diamond saw cutting: ±0.5 mm
l CNC machining: ±0.2 mm
Post-Processing Options for Mica Parts
l Depending on application requirements, YILONG can provide:
l Deburring for punched or saw-cut edges
l Polishing for high-voltage insulation applications
l Cleaning to remove dust or residue after laser or waterjet cutting
YILONG mica sheets offer outstanding performance advantages:
l High-temperature insulation capability
l High dielectric strength
l Excellent mechanical strength and durability
l Stable structure without lamination or cracking during processing
l Available dimensions:
l Width: up to 1000 mm
l Length: up to 2400 mm
l Thickness range: 0.1 mm to 100 mm
When receiving a new inquiry for mica machined parts, YILONG follows a structured and professional workflow to ensure quality and efficiency.
First, we confirm project requirements, including mica type (muscovite or phlogopite), thickness, drawings, tolerances, order quantity, and delivery schedule.
If required, material testing is conducted using sample sheets to verify thermal resistance, dielectric strength, and machinability.
For new designs, prototypes are produced using CNC machining or laser cutting. After dimensional inspection and functional validation, samples are submitted for customer approval.
For large-volume orders, a dedicated punching mold is designed and manufactured. Mold trials are conducted, followed by quality inspection and sample approval.
Once all parameters are confirmed, mass production is carried out using the approved process. Final quality checks are performed before packaging and shipment.
With advanced equipment, experienced engineers, and strict quality control, YILONG provides reliable Mica CNC Machined Parts and custom mica processing solutions for global customers.
For thin mica large orders, die punching is the most cost-effective solution. For thick mica and high-precision components, CNC machining or waterjet cutting is recommended. For prototype development and flexible design changes, laser cutting is the ideal choice.
If you need technical support or customized mica processing solutions, YILONG is ready to assist. Please feel free to contact at yilong@yilonginsulation.com