Kia Composite Anti Rust Brake Discs

• Being a world leading professional brake parts manufacturer, Winhere produces more than 55 million units of brake discs and 10 million sets of brake pads annually for OEM and IAM. 

• 96%+ car parc coverage of brake discs and brake pads from A to Z for both passenger cars and commercial vehicles. 

• IATF16949, ISO14001, ISO45001, ECE R90, CNAS certificated. 

• National Green Manufacturer and China’s Champion Enterprise awarded by M.I.I.T. and C.F.I.E. 

• National Standard of “Brake Disc for Automobile” GB/T 34422-2017 is led by National Quality Supervision and Inspection Center for automobile parts, Winhere is the responsible drafting company for this national standard.

Brake Discs Features:                                                   

•Equivalent to OE design 

•Smooth and quick stop 

•Anti-rust 

•Low noise, low dust 

•Optimal thermal performance 

• Multi-Layer Composite Anti-Rust Protection System:

This Kia composite brake disc is built around a dedicated multi-layer anti-rust protection system that goes far beyond the single oiled or painted treatments commonly found on standard replacement discs. The system combines a chemically prepared base surface that promotes coating adhesion, a primary corrosion-inhibiting layer that seals the porous cast iron surface against moisture penetration, and a topcoat finish — available in painted, coated, oiled, or zinc-dust formulations — that provides the outer barrier against road salt, environmental oxidation, and physical abrasion. This layered approach ensures that even if the outer coating is scratched or chipped during installation or normal operation, the underlying corrosion-inhibiting layer continues to protect the cast iron substrate, preventing the spread of rust from the point of damage and preserving both the structural integrity and the aesthetic appearance of the disc over an extended service life.

• Stainless-Grade Corrosion Resistance & Appearance:

Engineered to deliver stainless-grade corrosion resistance — meaning the disc withstands rust formation and surface degradation to a degree comparable to stainless steel components, despite being constructed from high-carbon gray iron (G3000 / GG15HC) for optimal friction performance — this anti-rust brake disc maintains a clean, metallic, stainless-like appearance on its non-friction surfaces throughout its service life. The composite anti-rust treatment prevents the orange-brown rust staining that commonly develops on untreated cast iron discs when exposed to moisture, road salt, and humidity — staining that is not only unsightly when visible through alloy wheel spokes but can also progress to surface pitting, irregular wear, and reduced braking performance if left unchecked. This stainless-grade corrosion resistance makes the disc particularly well-suited to vehicles operated in coastal regions, high-humidity climates, and northern markets where winter road de-icing salts accelerate corrosion.

• Coastal & High-Humidity Salt-Spray Environmental Durability:

The composite anti-rust protection system on this 340mm disc is specifically validated for durability in coastal and high-humidity environments where brake discs are exposed to salt-laden air, persistent moisture, and frequent temperature fluctuations — conditions that accelerate galvanic and atmospheric corrosion of untreated cast iron. The multi-layer coating prevents the electrochemical reactions that cause rust formation when salt water comes into contact with the cast iron surface, maintaining a uniform, corrosion-free surface even after prolonged exposure to coastal air, rain, and road spray. This environmental durability is further supported by the high-carbon gray iron substrate, which provides a dense, low-porosity microstructure that is inherently less susceptible to deep corrosion penetration than standard lower-carbon cast irons, ensuring that the disc maintains structural integrity and consistent friction performance in the most corrosion-prone operating environments.

• 340mm × 69mm Balanced Performance Geometry:

With a 340mm diameter and 69mm total height, this anti-rust composite brake disc provides a balanced combination of friction surface area, thermal mass, and weight efficiency suitable for Kia passenger vehicle applications. The 340mm diameter offers sufficient friction area for confident, repeatable stopping performance in both normal and emergency braking scenarios, while the optimized disc thickness provides adequate thermal mass to absorb and dissipate braking heat without excessive weight penalty. The precision-machined hub bore and bolt hole pattern ensure exact hub-centric fitment, eliminating runout, pedal pulsation, and steering wheel vibration, while the anti-rust treatment on the hub mounting surfaces prevents corrosion-related fitment issues that can make future disc removal difficult or damage the wheel hub.

• Slotted Surface Geometry & Anti-Rust Synergy:

The slotted friction surface on this composite anti-rust disc works in synergy with the multi-layer corrosion protection system to deliver both enhanced braking performance and extended corrosion resistance. The precision-machined slots evacuate trapped gas, friction dust, and moisture from the pad-disc interface during braking, preventing the accumulation of corrosive debris and moisture against the disc surface that could accelerate localized corrosion or cause uneven rust patterning. The slots also promote faster drying of the friction surface after exposure to rain or puddles, reducing the duration that the cast iron surface remains wet and therefore limiting the window for rust formation. At the same time, the anti-rust coating on the non-friction surfaces and slot sidewalls prevents corrosion from developing in areas where the pad does not contact the disc, ensuring comprehensive corrosion protection across the entire disc surface.

• Globally Certified Anti-Rust Quality & Precision Manufacturing:

Produced in an IATF16949-certified facility with full ECE R90 and AMECA compliance, and backed by ISO14001 environmental and ISO45001 occupational health management systems, this Kia composite anti-rust brake disc meets stringent international quality, safety, and performance standards. Each disc undergoes precision turning and grinding to achieve strict dimensional tolerances, a perfectly flat friction surface, and exact hub-centric fitment, followed by multi-stage anti-rust coating application with verified adhesion and coverage testing, slot geometry verification, and dynamic balancing before packaging in boxes, cartons, pallets, or bulk configurations for global distribution. The anti-rust treatment is applied to strict quality standards and does not compromise the friction performance, thermal characteristics, or structural integrity of the high-carbon gray iron disc. Private label and customized branding options are available to meet specific distributor and retailer requirements.

Brake Pads Features:

•High performance 

•Long-life service 

•Anti-fade 

•Low noise, low dust 

•Environmental friendly

• Low-Corrosion Friction Formulation for Anti-Rust Disc Compatibility:

These pads are formulated with a low-corrosion friction compound that is specifically designed to be compatible with the composite anti-rust protected disc surface, minimizing the risk of chemical interaction between the pad friction material and the anti-rust coating that could degrade the corrosion protection or cause uneven coating wear. The formulation avoids highly alkaline or acidic friction modifiers that could attack the coating layers, instead using neutral, corrosion-inhibiting additives that actually help protect the disc surface from corrosion during normal operation. This low-corrosion formulation ensures that the anti-rust protection system remains effective throughout the service life of both the pads and the disc, preserving the stainless-grade corrosion resistance and clean appearance of the composite disc.

• Humid-Environment Friction Stability & Water Recovery:

Engineered to maintain consistent friction performance in humid and wet operating conditions — the same environments where the anti-rust disc's corrosion protection is most valuable — these pads deliver stable friction coefficients and quick water recovery after exposure to rain, puddles, or high humidity. The friction material is formulated to minimize water fade — the temporary reduction in braking effectiveness that occurs when a water film forms between the pad and disc — and to restore full friction performance quickly once the water is cleared by the slotted disc surface. This humid-environment stability ensures that drivers can depend on predictable braking performance in coastal, rainy, and high-humidity conditions, complementing the anti-rust disc's ability to withstand corrosion in these same environments.

• Wear Compatibility with Protected Disc Surfaces:

The pad friction material is engineered for optimal wear compatibility with the anti-rust protected cast iron disc surface, ensuring that the pads wear evenly and do not cause excessive abrasion, scoring, or premature wear of the disc's friction surface or anti-rust coating. The formulation establishes and maintains a thin, uniform transfer film on the disc surface that promotes smooth, consistent friction and prevents direct metal-to-metal contact, while the controlled abrasiveness of the friction material ensures that the disc surface remains clean and free of glazing without wearing through the anti-rust treatment on non-friction areas. This wear compatibility extends the service life of both the pads and the anti-rust disc, reducing total cost of ownership for vehicle owners.

• Low-Conductivity Formulation for Galvanic Corrosion Reduction:

Utilizing a low-electrical-conductivity friction formulation that minimizes the flow of electrical current between the pad and the disc during braking, these pads help reduce the potential for galvanic corrosion at the pad-disc interface — particularly important when the anti-rust disc's coating is scratched or damaged, exposing the underlying cast iron. By limiting electrical conductivity, the low-conductivity formulation reduces the electrochemical reactions that drive galvanic corrosion between dissimilar metals or between exposed cast iron and the surrounding environment, helping to prevent the spread of rust from any coating damage points. This galvanic corrosion reduction works in concert with the disc's multi-layer anti-rust system to provide comprehensive corrosion protection across the entire brake assembly.

• Moisture-Resistant Packaging & Storage Stability:

These pads are packaged in moisture-resistant packaging that protects the friction material and backing plate from humidity and moisture during storage, transportation, and inventory holding — ensuring that the pads remain in optimal condition when installed, even after prolonged periods in warehouse environments with variable humidity. The packaging also prevents contamination of the friction surface with dust, dirt, or corrosive residues that could affect initial braking performance or cause damage to the anti-rust disc surface during the initial bedding-in period. Manufactured under ISO14001-certified environmental management systems, the production process prioritizes resource efficiency, waste reduction, and responsible material sourcing, ensuring that the pads deliver reliable, corrosion-compatible braking performance while minimizing environmental impact.

• 100% critical dimensions, runout and DTV inspection 

• Material physical and chemical inspection

• Test shear strength, compressibility, density, flatness and parallelism 

• Test performance and noise/NVH