United Centurion Carbon 20% vs XPEL HP Black 20% Comparison

Choosing the right carbon window tint is about more than simply making your vehicle look better. Modern drivers and professional installers expect window films that deliver reliable heat rejection, UV protection, glare reduction, and long-term durability without affecting electronic signals.

Two products frequently compared are United Auto Film Centurion Carbon 20% Film and XPEL HP Black 20%. For a fair comparison, this guide evaluates the 40" × 100' roll in the 20% VLT shade, as this is one of the most popular configurations used by professional window tint installers. Both are designed to improve cabin comfort, enhance privacy, and protect vehicle interiors from harmful sunlight, but they differ in performance specifications, construction, and overall value.

In this detailed comparison, we'll evaluate:

• Construction and thickness
• Infrared (IR) heat rejection
• Total Solar Energy Rejection (TSER)
• UV protection
• Glare reduction
• Installation performance
• Durability and color stability
• Overall value

Whether you're a vehicle owner looking for dependable window tint or a professional installer comparing premium carbon films, this guide will help you make an informed decision.

What Is Carbon Window Film?

Carbon Window Film is a non-metallic automotive tint engineered with carbon particles that help reduce solar heat, minimize glare, and block harmful ultraviolet rays. Unlike traditional dyed films, carbon window tint provides better color stability and improved heat rejection while maintaining a deep charcoal appearance that resists fading over time.

Because carbon films contain no metal, they also avoid interference with GPS navigation, Bluetooth, mobile signals, and radio reception, making them a popular choice for modern vehicles equipped with advanced electronics.

Heat Rejection with Carbon Window Film

One of the primary benefits of carbon window film is its ability to reduce infrared heat entering the vehicle. By limiting heat transfer through the glass, carbon films help create a cooler cabin, improve driving comfort, and reduce the workload on the vehicle's air conditioning system.

UV Protection

Premium carbon window films can block up to 99% of harmful ultraviolet rays, helping protect passengers while reducing interior fading, cracking, and discoloration of dashboards, leather seats, and other trim components.

Color-Stable Carbon Technology

Unlike standard dyed window films that may fade or develop a purple appearance over time, carbon window films are engineered with color-stable technology that maintains a rich charcoal finish for years while continuing to deliver reliable performance.

About United Centurion Carbon 20%

United Centurion Carbon 20% is a 2-ply, 1.5 mil carbon window tint film designed for installers and vehicle owners seeking a balance of performance, durability, and installation efficiency. Built with color-stable carbon technology, it delivers dependable infrared heat rejection, 99.9% UV protection, and a deep charcoal appearance without using metallic components.

One of its standout advantages is its super-easy shrinking characteristics, allowing installers to achieve cleaner applications on curved automotive glass while maintaining excellent optical clarity and long-term color stability. 

If you'd like to learn more about the film beyond this comparison, read our detailed guide on What Is United Centurion Carbon Window Film?, where we cover its construction, heat rejection, installation features, available VLT options, and ideal applications.

About XPEL HP Black 20%

XPEL HP Black 20% is a premium hybrid performance automotive window film engineered to reduce heat, minimize glare, and protect vehicle interiors from harmful UV exposure. Designed with a non-metallic construction, it provides signal-safe performance while delivering a factory-style appearance suitable for a wide range of vehicles.

Its combination of solar energy rejection and glare reduction has made it a popular choice among drivers seeking improved comfort without compromising visibility or electronic connectivity.

United Centurion Carbon 20% vs XPEL HP Black 20% Specifications

Thickness Comparison – 1.5 Mil vs 1.5 Mil

Film thickness plays an important role in installation handling, durability, and overall performance. A quality window film should provide enough strength for smooth installation while remaining flexible enough to conform to curved automotive glass.

Both United Centurion Carbon 20% and XPEL HP Black 20% feature a 1.5 mil construction, giving installers a familiar balance between flexibility and durability.

United Centurion Carbon further enhances installation with its super-easy shrinking design, enabling efficient heat-shrinking and smoother application on complex glass surfaces. This can help reduce installation time while maintaining a professional finish.

XPEL HP Black 20% also offers dependable installation characteristics and has built a reputation for consistent handling across different vehicle types.

Winner: Tie

Both films use a 1.5 mil construction that provides a strong balance of durability and workability, while Centurion Carbon offers the added advantage of installer-friendly shrinking characteristics.

Construction Comparison

The construction of a window tint directly influences its durability, appearance, and long-term performance.

United Centurion Carbon 20% features a 2-ply color-stable carbon construction engineered to deliver dependable heat rejection while maintaining a rich charcoal finish. The multi-layer design improves structural stability and helps resist fading over time.

XPEL HP Black 20% uses a hybrid-performance film construction designed to balance solar control, glare reduction, and long-lasting appearance. Its non-metallic design also ensures compatibility with modern vehicle electronics.

Both films eliminate the signal interference commonly associated with metallic window tints, making them suitable for vehicles equipped with GPS, Bluetooth, and wireless communication systems. Not sure whether carbon or ceramic window tint is the right choice for your vehicle? Our Ceramic Tint vs Carbon Tint guide explains the key differences in heat rejection, durability, performance, and value to help you choose the best option for your needs.

Winner: United Centurion Carbon 20%

Its 2-ply color-stable carbon construction provides excellent durability and installer-friendly performance while maintaining a consistent appearance over time.

Infrared Heat Rejection Comparison

Infrared (IR) heat rejection is one of the most important performance factors when selecting a window tint. Higher infrared rejection helps reduce the amount of heat entering the vehicle, resulting in a cooler cabin and improved driving comfort during warm weather.

United Centurion Carbon 20% delivers 34.2% infrared rejection, helping reduce interior heat buildup while maintaining a balanced combination of visibility and performance for everyday driving.

XPEL HP Black 20% provides 32% infrared rejection, offering similar thermal performance designed to improve passenger comfort and reduce reliance on air conditioning.

Although both films perform well within the carbon window tint category, Centurion Carbon delivers a slightly higher infrared rejection rating.

Winner: United Centurion Carbon 20%

With 34.2% IR rejection compared to 32%, Centurion Carbon offers a modest advantage in reducing infrared heat, contributing to improved cabin comfort during daily driving.

Total Solar Energy Rejection (TSER) Comparison

Total Solar Energy Rejection (TSER) measures the overall amount of solar energy blocked by a window film, including infrared heat, visible light, and ultraviolet radiation. It is one of the best indicators of how effectively a tint can improve cabin comfort in real-world driving conditions.

United Centurion Carbon 20%

United Centurion Carbon 20% delivers a TSER rating of 45.5%, helping reduce solar heat entering the vehicle while maintaining good optical clarity. This level of performance contributes to a more comfortable cabin and reduces reliance on air conditioning during warmer months.

XPEL HP Black 20%

XPEL HP Black 20% offers a TSER rating of 53%, providing a higher level of total solar energy rejection. This enables greater heat reduction and can help maintain cooler interior temperatures during prolonged sun exposure.

Winner: XPEL HP Black 20%

With a 53% TSER compared to 45.5%, XPEL HP Black 20% provides stronger overall solar energy rejection, making it a better option for drivers who prioritize maximum heat reduction.

UV Protection Comparison

High-quality window tint should do more than improve appearance—it should also protect passengers and vehicle interiors from harmful ultraviolet radiation.

United Centurion Carbon 20%

United Centurion Carbon 20% blocks 99.9% of UV rays, helping reduce interior fading, dashboard cracking, and upholstery damage while providing additional protection against prolonged sun exposure.

XPEL HP Black 20%

XPEL HP Black 20% delivers 99% UV rejection, offering excellent protection for both passengers and interior surfaces.

Winner: United Centurion Carbon 20%

Both films provide outstanding UV protection, but Centurion Carbon 20% holds a slight advantage with 99.9% UV rejection.

Glare Reduction Comparison

Reducing glare improves driving comfort by minimizing harsh sunlight during the day and reducing eye strain from bright reflections.

United Centurion Carbon 20%

United Centurion Carbon 20% provides 77% glare reduction, helping improve visibility while maintaining a comfortable balance between privacy and outward vision.

XPEL HP Black 20%

XPEL HP Black 20% achieves 82% glare reduction, delivering stronger protection against intense sunlight and bright road reflections.

Winner: XPEL HP Black 20%

With 82% glare reduction, XPEL HP Black 20% offers better protection against glare, making long-distance driving more comfortable.

Installation Performance

Professional installers often evaluate a window film based on how easily it shrinks, conforms to curved glass, and handles during installation.

United Centurion Carbon 20%

United Centurion Carbon 20% is specifically designed with Super Easy Shrinking technology, allowing the film to conform smoothly to curved automotive glass. Combined with its 1.5 mil, 2-ply construction, it provides excellent handling and consistent installation performance.

XPEL HP Black 20%

XPEL HP Black also offers dependable installation characteristics and is widely used by professional tint installers. Its construction provides reliable handling across different vehicle types and applications.

Winner: United Centurion Carbon 20%

Its Super Easy Shrinking technology gives installers additional confidence during installation, especially on complex or curved glass surfaces.

Signal Interference

Modern vehicles rely heavily on GPS, Bluetooth, mobile connectivity, and radio signals. Metallic window films can interfere with these systems, making non-metallic construction an important consideration.

Both United Centurion Carbon 20% and XPEL HP Black 20% feature non-metallic designs that help maintain uninterrupted electronic connectivity.

Drivers can continue using navigation systems, mobile devices, Bluetooth accessories, and radio functions without signal disruption.

Winner: Tie

Both films provide signal-safe performance suitable for today's connected vehicles.

Durability & Color Stability

Long-term durability is one of the biggest factors when choosing a premium carbon window film. A quality tint should resist fading, bubbling, peeling, and discoloration while maintaining its original appearance.

United Centurion Carbon 20%

United Centurion Carbon features 2-ply color-stable carbon construction, designed to maintain its deep charcoal finish while resisting fading over time. Its durable construction makes it suitable for everyday driving and long-term use.

XPEL HP Black 20%

XPEL HP Black is engineered for consistent long-term performance and maintains a factory-style appearance with dependable resistance to everyday environmental conditions.

Winner: Tie

Both products are designed for long-lasting performance and consistent appearance, making them dependable choices for vehicle owners and professional installers.

Price & Value Comparison

Performance is important, but overall value also plays a major role when selecting a window tint film. Vehicle owners and installers often look for a product that delivers reliable heat rejection, UV protection, and durability while remaining cost-effective. The pricing comparison below is based on the 40" × 100' roll size for both products, providing a like-for-like comparison of their overall value.

United Centurion Carbon 20% combines dependable carbon-film performance with installer-friendly handling and excellent UV protection at an accessible price point. Once XPEL HP Black pricing is available, buyers can make a more direct value comparison.

How Material Cost Impacts Shop Profitability

While product performance is important, professional installers and tint shops also consider material cost and overall profitability. Comparing the cost of the 40" × 100' rolls shows how choosing the right window film can significantly improve profit margins without compromising quality.

Profit Comparison for a Standard Vehicle Installation

Example: If a tint shop charges $300 for a standard vehicle installation, using United Auto Film CENTURION Carbon results in an estimated material cost of around $16, leaving an estimated gross profit of $284 (94%). In comparison, using XPEL HP Black results in an estimated material cost of $60–70, leaving an estimated gross profit of around $230–240 (approximately 77%).

Why This Matters for Tint Shops

For professional installers, material cost has a direct impact on business profitability. Choosing a film with a lower cost per installation can increase margins while still delivering dependable performance, UV protection, and a professional finish. For shops completing multiple installations each week, the savings can add up quickly, making United Auto Film CENTURION Carbon Window Tint Film an attractive option for businesses looking to maximize profitability without sacrificing quality.

Which United Carbon Window Tint Is Better?

Both products provide dependable performance, but the right choice depends on your priorities.

Choose Centurion Carbon 20% If You Want:

• Excellent value for money
• 2-ply carbon construction
• Super Easy Shrinking technology
• Slightly higher infrared heat rejection
• Outstanding UV protection
• Reliable long-term color stability

Choose XPEL HP Black 20% If You Want:

• Higher total solar energy rejection (TSER)
• Greater glare reduction
• A well-established premium brand
• Strong overall solar control performance

Final Verdict

Both United Centurion Carbon 20% and XPEL HP Black 20% are high-quality carbon window tint films designed to improve comfort, reduce glare, and protect vehicle interiors from harmful UV exposure.

United Centurion Carbon stands out with its 2-ply color-stable construction, Super Easy Shrinking technology, 34.2% infrared rejection, and 99.9% UV protection, making it an excellent choice for installers and vehicle owners seeking dependable performance and easy installation.

XPEL HP Black 20% delivers stronger Total Solar Energy Rejection (53%) and glare reduction (82%), making it a compelling option for drivers focused on maximum solar control.

Overall, United Centurion Carbon 20% offers an impressive balance of performance, durability, installation convenience, and value, making it a strong contender in the premium carbon window tint category for both automotive professionals and everyday drivers.