JUNWEI understands that the core of automotive performance often lies in managing extreme temperatures. Your exhaust system operates at extreme temperatures, and protecting it and optimizing its function requires specialized solutions. Exhaust Wrap is more than just insulation; it's crucial for thermal management. Choosing the right material is crucial for improving performance, extending component life, and enhancing safety. Let's explore the high-temperature-resistant materials used in our exhaust wraps.
High-Temperature Resistance: Withstands direct exposure to gases exceeding 1000°F, and potentially as high as 2000°F near the exhaust manifold or turbocharger.
Insulation: Effectively traps heat within the exhaust pipe, reducing engine compartment temperature and increasing exhaust gas velocity.
Durability and Toughness: Resists wear, cracking, oil/fuel/chemical exposure, vibration, and performance degradation caused by thermal cycling.
Easy Installation: Remains flexible during wrapping and won't tear.
Safety: Exhaust Wrap is non-flammable, has low thermal conductivity, and minimizes handling risks.
Material: Woven from extremely fine, high-purity quartz glass fibers.
Maximum Continuous Temperature: Typically up to 1000-1200°F. Short bursts of higher temperatures are possible.
Key Features: Excellent heat resistance in most applications, good chemical resistance, inherent non-flammability, and cost-effectiveness.
Junwei Advantage: Exhaust Wrap utilizes high-grade continuous filament glass fibers, providing increased strength, reduced abrasion, and smoother installation compared to lower-grade chopped strand wrapping materials. Our wrapping material has an extremely low binder content, achieving the highest temperature resistance without compromising the integrity of the weave.
Material: Woven from amorphous silica fibers (SiO₂ content > 96%), typically blended with reinforcement fibers.
Maximum Continuous Temperature Resistance: Excellent temperature resistance, up to 1800-2000°F, far exceeding that of fiberglass.
Key Features: Excellent thermal stability and insulation, low thermal conductivity, excellent thermal shock resistance, high flexibility even after exposure, low heat storage, and extremely low outgassing. Enhanced resistance to chemicals and oils.
Junwei Advantage: Our silica cover utilizes the highest-purity fibers to achieve the highest temperature resistance and extended lifespan for Exhaust Wrap. We employ advanced weaving techniques to ensure optimal strength and minimal wear.
Material: A blend of heat-resistant synthetic aramid fibers (such as para-aramid) and inorganic fibers (such as silica or glass fibers).
Maximum Sustained Temperature: Continuous up to 538°C (1000°F), with short-term peaks up to 816°C (1500°F), depending on the specific blend.
Key Features: Excellent tensile strength and cut/abrasion resistance, excellent thermal protection, inherent flame retardancy, and good chemical resistance.
Junwei Advantage: We use the excellent mechanical strength of aramid to create a wrapping layer that is highly resistant to impact, road debris or wear from other components, while still providing strong thermal insulation performance, making Exhaust Wrap well suited for harsh environments.
| Material Type | Max Continuous Temp | Key Advantages | Key Limitations |
| Premium Fiberglass | 1000-1200°F / 538-649°C | Cost-effective, good heat resistance, non-combustible, easy to find | Lowest max temp of core materials, can become brittle if overheated long-term |
| High-Purity Silica | 1800-2000°F / 982-1093°C | Highest temp rating, best insulation, low conductivity, flexible after heat cycles, low heat storage | Higher cost than fiberglass |
| Aramid Blend | Up to 1000°C / 538°C (peak 1500°F/816°C) | Extreme tensile/abrasion resistance, good heat protection, flame resistant | Lower max temp than silica, higher cost than fiberglass |
