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Bost PPS Plastic Gasket — High-Performance Engineering Seal
Bost PPS Plastic Gasket — Product Overview
The Bost PPS plastic gasket is a high-performance sealing solution made from High Quality polyphenylene sulfide (PPS). Designed for demanding industrial environments, it offers excellent chemical resistance, dimensional stability at elevated temperatures, and outstanding wear resistance. Backed by Bost's expertise in engineering plastics, this gasket delivers reliable sealing for long-term operation.
Key Benefits
Simple, practical advantages that matter to users:
- High chemical and corrosion resistance — withstands oils, fuels, acids and many solvents.
- High temperature stability — maintains shape and sealing performance at elevated temperatures.
- Low wear and long life — reduces downtime and maintenance costs.
- Excellent dimensional stability — accurate tolerances for a consistent seal.
- Customizable — available in sheets, rings, and custom-cut gaskets to fit your equipment.
Typical Applications
Bost PPS gaskets are ideal where reliability matters:
- Valves, pumps and compressors
- Heat exchangers and flanges
- Chemical processing equipment
- Automotive and electrical housings
- Any high-temperature or corrosive environment requiring durable seals
Why Choose Bost
Bost is a professional, innovative manufacturer of green energy engineering plastics. With strong R&D, mold design, and production capabilities, Bost enhances material properties such as toughness, flame retardancy and abrasion resistance. Our experienced team ensures each PPS gasket meets rigorous quality standards and performs reliably in real-world conditions.
Ordering and Support
We value your needs and offer technical guidance, custom sizes, and quick turnaround. Contact Bost for material data sheets, sample requests, or assistance selecting the right gasket for your application. Choose Bost PPS gaskets for performance, durability and peace of mind.
Detailed display
Question you may concern
What is the minimum order quantity (MOQ)? Do you support small-batch trial production?
The MOQ for standard products is ≥100kg. We support small-batch trial production (as low as 20kg) and provide mold testing reports and performance data feedback.
What are the core advantages of Bost engineering plastics compared to ordinary plastics?
Bost engineering plastics feature ultra-high mechanical strength, high-temperature resistance (-50°C to 300°C), chemical corrosion resistance, and wear resistance. Compared to ordinary plastics, their service life is extended by 3 to 8 times, making them suitable for replacing metals in harsh environments.
Can Bost customize modified plastics with special properties?
Yes! We offer modification services such as reinforcement, flame retardancy, conductivity, wear resistance, and UV resistance, for example:
• Adding carbon fiber to enhance stiffness
• Reducing the coefficient of friction through PTFE modification
• Customizing food-grade or medical-grade certified materials
How do I select the appropriate engineering plastic grade for my product?
Selection should be based on parameters such as load conditions (e.g., pressure/friction), temperature range, medium contact (e.g., oil/acid), and regulatory requirements (e.g., FDA/RoHS). Our engineers can provide free material selection consulting and sample testing.

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