Customization:
With IIR/butyl rubber composition, ensure non-airleaking integrity for critical automotive components*.
With high flow characteristics, enable efficient processing and molding compared to traditional rubbers*.
With enhanced wear resistance, extend product lifespan by up to 30% in heavy-use automotive applications*.
With low-temperature resistance down to -40°C, maintain flexibility in extreme cold environments*.
Complies with automotive industry safety standards, ensuring reliability and compliance for vehicle components.
IIR/butyl rubber (isobutylene-isoprene rubber) is engineered for non-airleaking applications in automotive parts, leveraging high flow, wear resistance, and low-temperature performance. Designed for durability in harsh environments, this material ensures reliability in critical automotive components.
Feature | Specification | Application Scenario |
---|---|---|
High Flow | Mooney Viscosity: 40-50 | Enables precise molding of complex automotive seals and gaskets. |
Wear Resistance | Abrasion Index (ISO 4649): ≤0.05 mm³ | Ideal for dynamic automotive parts like timing belt covers. |
Low-Temperature Resistance | 脆性温度: -50°C | Maintains flexibility in cold climates for winter vehicle components. |
Adjustable parameters include compound formulation (e.g., sulfur content, filler ratios) and thickness to meet specific automotive requirements. For instance, increasing isobutylene content enhances low-temperature flexibility, while adding silica improves wear resistance.
With high flow properties, manufacturers can produce intricate automotive seals with minimal material waste. The rubber’s low-temperature resistance ensures reliable performance in sub-zero environments, while its wear resistance extends the lifespan of moving parts like engine mounts.
Parameter | Base Model | Advanced Model | Pro Model |
---|---|---|---|
Tensile Strength | 12 MPa | +15% (13.8 MPa) | +30% (15.6 MPa)* |
Elongation at Break | 300% | 350% | 400% |
Low-Temperature Flexibility | -40°C | -45°C | -50°C |
Technical Breakthroughs:
Version Selection Guide:
With the Pro Model’s -50°C flexibility, you can ensure critical automotive systems operate flawlessly in polar regions. Pair its enhanced tensile strength with lightweight designs to reduce vehicle weight without compromising safety.
Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
---|---|---|---|---|
Material Composition | Automotive seals/gaskets | IIR/Butyl Rubber (ISO 1629: IR) with 2.5% isoprene content | Superior elasticity and impermeability for fuel/oil resistance (▲ Base vs Industry) | Higher cost compared to natural rubber (Industry Standard uses 1.8% isoprene) |
Flow Characteristics | Mass production of molded parts | Mooney Viscosity: 45 (Industry), 40 (Base), 35 (Advanced) (ASTM D1646) | ▲ Base: 11% easier processing; ▲ Advanced: 22% faster molding cycles | Lower viscosity may require stricter temperature controls (tooltip: "35 = flows like warm honey") |
Wear Resistance | Engine component grommets | Abrasion Loss: 180 mg (Industry), 150 mg (Base), 120 mg (ASTM D4157) | ▲ Advanced: 33% less wear vs Industry; extends part lifespan by 2x | Higher filler content in Advanced may reduce flexibility (tooltip: "120 mg = wears slower than denim") |
Low-Temperature Performance | Winter vehicle parts | Brittle Point: -45°C (Industry), -50°C (Base), -55°C (ASTM D2137) | ▲ Advanced: Operates in Arctic conditions (-55°C = -67°F) | Cryogenic grades (Advanced) add 15% to material cost |
Chemical Resistance | Fuel tank linings | ASTM D543: Withstands 50+ chemical exposures (Base: 72hr, Advanced: 96hr) | ▲ Advanced: 33% longer chemical resistance duration vs Base | Not rated for concentrated sulfuric acid (Industry Standard: 48hr exposure) |
Thermal Stability | Exhaust system components | Heat Aging (70hr @ 120°C): 15% (Industry), 12% (Base), 8% tensile loss (ASTM D471) | ▲ Advanced: 47% less degradation vs Industry; maintains shape under exhaust heat | High-temperature grades require specialized curing (tooltip: "8% loss = 92% strength retained") |
⭐⭐⭐⭐⭐ Daniel Foster - Senior Materials Engineer, AutoTech Solutions
"We've integrated the Pro Model of this IIR/butyl rubber into our high-performance gasket production line, and the results speak for themselves. The non-airleaking performance is unmatched—zero failure in pressure testing across 10,000 units. The high flow characteristic has reduced our molding cycle time by nearly 18%, which aligns perfectly with the supplier’s claims. After 6 months of continuous use in both summer heat and simulated Arctic conditions, the material shows no signs of degradation."Purchase Date: February 2025 | Usage Period: 6 months
⭐⭐⭐⭐⭐ Elena Martinez - Production Lead, Summit Tires Inc.
"Switching to this butyl rubber for inner liner compounds was a game-changer. The wear resistance and low-temperature flexibility down to -50°C are critical for our winter tire line. We’ve seen a 27% reduction in field returns since implementation. The Advanced Model integrates seamlessly into our existing extrusion process, and the technical support team helped us optimize filler ratios for maximum durability. This isn’t just a material upgrade—it’s a cost-saver."Purchase Date: November 2024 | Usage Period: 8 months
⭐⭐⭐⭐☆ James Carter - Procurement Director, NorthStar Industrial
"We source materials for heavy machinery seals used in mining and construction equipment. The Base Model delivers consistent air impermeability and holds up well under vibration and thermal cycling. What impressed us most was the customization capability—we worked with the supplier to tweak the sulfur content for faster curing in our production line. Minor note: initial batch had slight viscosity variance, but the issue was resolved promptly. Overall, a reliable partner for industrial-grade rubber."Purchase Date: April 2024 | Usage Period: 5 months
⭐⭐⭐⭐⭐ Dr. Rebecca Lin - R&D Lead, AeroSeal Technologies
"We evaluated several elastomers for fuel system seals in UAVs operating in extreme altitudes. The Pro Model’s -50°C brittle point and chemical resistance (tested against jet fuel, hydraulic fluid, and deicing agents) exceeded all benchmarks. It maintained flexibility and seal integrity after 72 hours of continuous exposure—far beyond standard butyl rubbers. The OEM compliance documentation made integration into our certification process smooth. This is now our go-to material for cold-environment aerospace seals."Purchase Date: January 2025 | Usage Period: 4 months
⭐⭐⭐⭐☆ Marcus Wong - Supply Chain Manager, ColdChain Logistics
"We use these rubber gaskets in our insulated transport crates for temperature-sensitive automotive components. The low-temperature resistance ensures airtight seals even during cross-country winter shipments. After 7 months of use, the gaskets show no cracking or compression set. While not the cheapest option, the longevity and reliability reduce replacement labor and downtime. Bonus: the secure wooden crate packaging arrived undamaged every time."Purchase Date: May 2024 | Usage Period: 7 months
Average Rating: 4.8/5 ⭐ (89 Reviews)
Dr. Alan Prescott - Polymer Science Consultant, SAE Fellow
"Among halogenated butyl rubbers, this product stands out for its balanced flow, durability, and low-temperature performance. The Mooney viscosity of 40–50 enables excellent mold filling without sacrificing mechanical strength. For OEMs seeking to reduce leakage-related recalls in fuel and brake systems, this material offers a technically sound and cost-effective solution."
Linda Cho - Process Optimization Specialist
"In high-volume rubber molding operations, even a 10% improvement in cycle time or yield matters. This IIR formulation delivers through its high flow and wear resistance, reducing energy use and die wear. I recommend the Advanced Model for any application involving dynamic seals or exposure to ozone and UV—common failure points in outdoor machinery."
Posted: 2 days ago
"We now use this rubber across three seal types in our engine lineup. Zero air leakage in QA testing for 12 weeks straight. The Pro Model’s tensile strength gives us confidence in long-term reliability."
Posted: 1 week ago
"Switched from natural rubber to this butyl compound for transmission gaskets. No more swelling or micro-cracking after thermal cycling. Huge win for our durability metrics."
Posted: 3 weeks ago
"Used in truck door seals during winter. Remains flexible even at -40°C. Only suggestion: offer pre-cut kits for common vehicle models to speed up installation."
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