ARRIS 300x400x1.0mm Carbon Fiber Sheet 3K Twill Matte - Lightweight

In this review the ARRIS 300x400x1.0mm carbon fiber sheet is assessed for hobbyists and professionals who need a lightweight, high-strength panel for RC, drone, and custom fabrications. The bottom line: this is a true 100% carbon fiber plate with a 3K twill matte surface that delivers exceptional stiffness and low weight, making it ideal when reducing mass without sacrificing rigidity is the primary goal. The reviewer found the sheet easy to cut and trim, and well suited to small structural and cosmetic applications where pure carbon performance is required.

Key Features

• 100% real carbon fiber: Pure carbon fiber construction means no glass or filler layers, offering consistent stiffness and predictable mechanical behavior.
• 3K twill matte surface: The twill weave matte finish reduces glare and provides a professional appearance for visible panels and instrument plates.
• Multiple thickness options: Available from 0.5mm up to 6.0mm so you can choose the ideal balance of weight and rigidity for drones, RC airframes, or dashboards.
• Lightweight high strength: 3K tow construction yields a plate that is a fraction of steel weight while offering several times the specific strength for performance builds.
• Easy to fabricate: The sheet cuts cleanly with a saw or water jet and does not crumble, enabling accurate CNC milling and DIY trimming.
• Size and custom options: Standard 300mm x 400mm panel fits many projects and custom sizes are available from the brand for special builds.

Who It's For

This carbon fiber sheet is best for RC hobbyists, drone builders, and fabricators who need a lightweight, stiff panel for structural parts, mounting plates, and aesthetic covers. It is also a good match for automotive and robotics tinkerers who want a real 3K carbon surface for dash inserts or backing plates.

Those who require full metal replacement for heavy load-bearing structural members should evaluate thicker plates or engineered laminates; similarly, users who need a glossy decorative finish should select the plain glossy variation rather than the matte twill reviewed here.

Pros & Cons

Pros

• True 100% carbon fiber construction offers high stiffness and predictable performance.
• Matte 3K twill surface looks professional and reduces surface glare on visible parts.
• Wide thickness range and clean cut properties make it versatile for CNC and DIY work.
• Lightweight compared with metal alternatives, improving weight-sensitive builds.

Cons

• Matte twill finish may not suit applications that demand a glossy cosmetic surface.
• Panel size is standard 300 x 400mm; large single-piece applications require ordering larger or custom sizes.

Specifications

Brand	ARRIS
Material	100% 3K carbon fiber (no glass)
Surface	Twill weave, matte
Dimension	300mm x 400mm (2mm)
Thickness options	0.5mm, 1.0mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm, 6.0mm
Typical uses	RC planes, drones, dashboards, CNC plates, mounting and backing plates

Our Verdict

The ARRIS 300x400x1.0mm carbon fiber sheet is a practical, good-value option for anyone building lightweight structures or visible components that need a true carbon surface. With a genuine 3K twill matte finish, a wide range of thicknesses, and clean fabrication properties, it suits hobby and light professional use where low weight and high stiffness matter more than glossy appearance.

Frequently Asked Questions

Is this sheet actually 100% carbon fiber?
Yes. The product is described as pure 3K carbon fiber with no glass fiber contents or filler layers.

Can I cut and CNC this material cleanly?
Yes. The sheet cuts cleanly with a saw or water jet and mills accurately for CNC operations.

What sizes and thicknesses are available?
Standard panels include 300 x 400mm and 300 x 300mm and 400 x 500mm with thicknesses from 0.5mm up to 6.0mm; custom sizes are offered by the brand.