XD 599+ Ceramic Flap Disc

The XD 599+ is a ceramic and premium aluminium oxide flap disc with supersize Top Coat, built for high-speed weld removal and blending on stainless steel, heavy steel, and superalloys where heat buildup causes tinting and ordinary discs cap before the weld bead is gone. Ceramic grain self-sharpens under high contact pressure — the disc cuts as aggressively on the last flap as the first. The Top Coat prevents capping and controls heat at the grinding interface. Tested against competitors: 15% higher material removal on 10mm stainless steel at 11,500 RPM.

Key Specifications

Dimension 100 × 16 mm (4" × 5/8") | 115 × 22.23 mm (4.5" × 7/8") | 125 × 22.23 mm (5" × 7/8") | 180 × 22.23 mm (7" × 7/8")

Abrasive Grains Mix of Ceramic + Premium Aluminium Oxide

Backing Material X - weight polycotton

Coating Semi-Open Coat

Additional Information

Speciality Super size

Bond Type Resin

Grit Range Coarse to Medium

Backing Pad Type Glass Fiber | Plastic | Aluminum

Grit Range

100

120

Brand: CUMI

Information Material:

Product Catalogue

Additional Details

Product Information

Features

- Microcrystalline ceramic and premium aluminium oxide hybrid grain on X-weight polycotton backing with supersize Top Coat

- Top Coat prevents capping and facilitates cooler cutting — protects SS316L, superalloy, and heavy steel surfaces from heat tint under high contact pressure

- New Generation Resin Bond with better bonding strength — grain anchored through the full rotational load of high-speed flap disc grinding

- Available in Type 27 and Type 29, standard and high-density flap range, 4" to 7"

Benefits

- Ceramic grain self-sharpens under high contact pressure — cut rate on stainless and superalloys stays aggressive from the first pass through the last flap, no slowdown

- Top Coat keeps the grinding zone cool enough that SS316L and superalloy surfaces don't develop heat tint — components come off clean even under sustained high-pressure blending

- New Generation Resin Bond holds grain through the centrifugal and contact forces of high-speed disc operation — no grain loss on demanding weld removal

- 15% higher material removal on 10mm stainless steel at 11,500 RPM in head-to-head testing — measurable on the component count per disc

Advantage

- 15% higher material removal in robotic testing at 11,500 RPM on 10mm stainless steel — a production number that translates directly to fewer disc changes per weld station

- Supersize Top Coat is the specification differentiator for stainless and superalloy work — it is what prevents the capping and heat tint that terminate an ordinary ceramic disc's useful life prematurely

- Available in both standard and high-density flap range — high-density for faster initial cut, standard for controlled blending on precision fabrications

Product Uses