Are you looking for the best plastic gasket factories in China? With so many options available, it can be overwhelming to choose the right one. In this article, we’ll compare the top plastic gasket manufacturers in China, highlighting their specialties, product ranges, and what sets them apart. Let’s dive in and find the perfect fit for your needs.

China Industrial Gasket Manufacturer & Supplier | Longseal

Product Details: Nitrile (Buna-N) gaskets are made from a rubber compound known as Nitrile-Butadiene Rubber (NBR). They are widely used for their superior resistance to petroleum-based fluids, hydraulic fluids, gasoline, alkalis, and acids. These gaskets are available in various grades, including commercial, mid-grade, high-grade premium, FDA-approved food grade, and specialized grades like transformer oil and bio-diesel. The durometer hardness ranges from 30 to 90 Shore A, and they can be manufactured using different methods such as die-cutting, flash cutting, and molding. The standard thickness ranges from 1/64″ to 1/4″, and they can be provided with or without pressure-sensitive adhesive (PSA) backing.

Pros:
– Excellent resistance to oils, solvents, gasoline, and petroleum-based fluids
– Good elongation properties, tensile strength, and compression set
– Wide operating temperature range from -30°F to +200°F (or up to +212°F intermitt…
– Available in various grades to suit different applications
– FDA-approved food grade available
– Good resistance to certain chemicals and dilute acids

Cons:
– May not be as resistant to certain aromatic hydrocarbons as other materials
– Not suitable for applications involving high concentrations of ozone, ketones, o…
– Can be more expensive than some other rubber compounds
– Limited resistance to abrasive wear compared to some other materials like hydrog…

China Plastic Gasket Manufacturers, Suppliers, Factory

Contact us – China – PTI Rubber & Gaskets Inc.

Product Details: PTI Rubber & Gaskets Inc. offers a wide range of rubber and plastic products, including die-cut, extruded, and molded rubber products for sealing, gasketing, vibration absorption, insulation, and padding. Their plastic foam products include polyethylene, micro-cellular urethane foam, PVC, EVA, and polyurethane foam. They also provide high-temperature products for applications ranging from 400˚F to 2300˚F and a variety of adhesives. The company serves various sectors such as recreational vehicles, transportation, heavy equipment, ventilation, refrigeration, electrical appliances, doors, windows, and electronics.

Pros:
– Wide range of products tailored to meet customer needs
– Expertise in cutting, laminating, extruding, and molding processes
– Commitment to excellence, customer satisfaction, and continuous improvement
– Professional technical team and first-class production and testing equipment
– Global presence with facilities in Canada, China, and the United States

Cons:
– No specific cons mentioned in the available sources
– Production trend is not currently ramping up according to the production algorit…

China Spiral Wound Gasket, Ring Joint Gaskets,PTFE …

Top 10 Rubber Gasket Manufacturers And Suppliers In China …

Teflon Platics Plates Sheet Thickness 0.1-120mm …

Product Details: PTFE (Polytetrafluoroethylene) sheets and plates are available in various thicknesses, typically ranging from 0.01 mm to 120 mm. They are manufactured in different sizes such as 12″ x 48″, 24″ x 24″, and 24″ x 48″. PTFE sheets and plates meet various ASTM standards including D3294, D3308, and D4894. They are FDA/USDA compliant and have a flammability rating of UL 94-V-0.

Pros:
– Excellent chemical resistance and wide temperature range (-400°F to 500°F or -24…
– Low coefficient of friction and excellent electrical and thermal insulation prop…
– Anti-stick surface and high impact strength.
– Resistant to weathering and suitable for applications in harsh environments.
– Can be easily machined and cut using various methods such as waterjet, die cuts,…

Cons:
– Poor mechanical properties unless fillers such as glass fiber, carbon, or bronze…
– Difficult to bond to other materials.
– Low tensile strength, creep resistance, and wear resistance compared to other en…

Silicone Gasket Manufacturer and Supplier in China

Product Details: Fiberglass reinforced silicone sheets and platinum cured silicone gaskets are high-quality products designed for various industrial applications. Fiberglass reinforced silicone sheets are made with high-grade silicone rubber and a fiberglass layer, offering superior tensile strength, UV and ozone resistance, and thermal endurance. They are available in various dimensions, thicknesses, and custom shapes. Platinum cured silicone gaskets are known for their high purity, smooth finish, and resistance to temperature extremes, radiation, corona, ozone exposure, moisture, and steam. They are ideal for pharmaceutical, biotechnology, high-purity water, food, and beverage industries.

Pros:
– Superior tensile strength and tear resistance
– UV and ozone resistance
– Ideal for high and low temperature environments (-50℃ to +260℃ and -100°F to 450…
– Non-toxic, odorless, and tasteless
– High purity and smooth finish
– Resistant to temperature extremes, radiation, corona, ozone exposure, moisture,…
– Meets high pharmaceutical standards (U.S. Pharmacopeia Class VI Certification, C…
– Available in custom shapes and cut-to-size

Cons:
– May require special handling for installation
– Limited availability of certain specifications without custom orders
– Higher cost compared to some other types of gaskets or sheets

Silicone Rubber Gaskets Suppliers, Manufacturers, Factory

Product Details: Silicone Rubber Gaskets are cut from rubber sheets or mould pressing. Any sizes and shapes can be produced. They are high-performance mechanical seals with exceptional resistance to extreme temperatures. These gaskets are used to prevent leaks between different substrate sections in a wide range of applications. Key properties include a temperature range of -85°C to +215°C, hardness of 40°-80° Shore A, tensile strength of 5 MPa (min), elongation at break of 200% (min), and tear strength of 15N/mm[2].

Pros:
– Excellent weather resistance, ozone resistance, and compression set resistance
– Odorless and tasteless, suitable for food applications
– Stability in extreme environments
– Excellent shock resistance and tear resistance
– High tensile strength and elongation
– Good recovery properties
– Suitable for pharmaceutical and food processing industries, chemical processing…

Cons:
– No significant cons mentioned, but general limitations of silicone rubber such a…

China Customized Food Grade Silicone Rubber Gasket …

Product Details: Food-grade silicone rubber gaskets are made from FDA-approved materials, such as those compliant with 21 CFR 177.2600. They are available in various durometers (hardness) from 30 to 80 Shore A, and can be fabricated in different thicknesses from .010” to 1”. These gaskets are thermally stable over a wide temperature range (-60°C to 230°C), and are inert, odorless, and tasteless. They can be custom-made in different sizes and shapes using extrusion, molding, or special cutting processes.

Pros:
– Thermally stable over a wide temperature range (-60°C to 230°C)
– Inert, odorless, and tasteless, making them safe for food and beverage contact
– Resistant to ozone, oxygen, and ultraviolet (UV) light
– Available in various durometers and thicknesses
– Can be custom-made to fit specific application needs
– Antimicrobial properties available in some formulations (e.g., NeutraSil™)

Cons:
– Poor resistance to oils, fuels, and hydrocarbons
– Fair performance when exposed to acids, alkalis, and solvents
– May not be suitable for applications involving chemical exposure

China Rubber Gaskets Supplier,Factory

Product Details: Aiflon Sealing Materials Co., Ltd. offers a wide range of rubber gasket products. These include rubber sheets, rubber strips, O-Rings, O-Ring kits, fluoride plastic coating O-Rings, rubber rollers, oil seals, pump and valve rubber parts, and various other rubber components. The company also produces spiral wound gaskets, metal jacketed gaskets, ring joint gaskets, PTFE envelope gaskets, and other types of gaskets. Additionally, they provide compression packings made from materials such as graphite, carbon fiber, synthetic fiber, and PTFE. The products are designed to satisfy various industrial demands for sealing and insulation[2][3].

Pros:
– Wide range of rubber gasket products to meet various industrial needs
– Advanced production equipment, including semi-automatic and full-automatic windi…
– High-accuracy gasket test equipment for quality assurance
– Direct import-export operation rights for efficient global distribution
– Special and quick quotation system by computer for customer convenience
– ISO 9000 management system certification ensuring quality standards

Cons:
– Limited information available on specific product durability and lifespan
– No detailed customer reviews or feedback provided on the website
– Potential dependency on imported equipment and materials which could affect prod…

Comparison Table

Frequently Asked Questions (FAQs)

What types of plastic gaskets can I find in Chinese factories?

In Chinese factories, you can find a wide variety of plastic gaskets tailored to different applications. These include PTFE gaskets, nylon washers, PVC flange gaskets, and TPV injection plastic gaskets. Each type is made from specific materials to meet various requirements such as high temperature resistance, chemical inertness, and pressure tolerance.

How do I ensure the quality of plastic gaskets from Chinese manufacturers?

To ensure the quality of plastic gaskets, look for manufacturers with verified business licenses and international certifications such as ISO 9001, FDA, and ROHS. Many reputable factories in China also have audits and inspections from organizations like TUV, SGS, and BV. Checking for these certifications can give you confidence in the product’s quality.

Can Chinese plastic gasket factories provide customized products?

Yes, many Chinese plastic gasket factories offer customized services. You can work with manufacturers to design and produce gaskets according to your specific requirements, including custom shapes, materials, and sizes. This flexibility is particularly useful if you need gaskets for unique or specialized applications.

What is the typical minimum order quantity (MOQ) for plastic gaskets in China?

The minimum order quantity (MOQ) for plastic gaskets in China can vary depending on the manufacturer. However, common MOQs range from 10 pieces to 100 pieces or even 250 kg for bulk orders. Some factories may also offer smaller MOQs, such as 1 piece, especially for sample orders or smaller businesses.

How long does it take to receive plastic gaskets from Chinese factories?

The delivery time for plastic gaskets from Chinese factories can vary based on the production complexity and the manufacturer’s capacity. Generally, you can expect a turnaround time of about 15 working days to several weeks. Some manufacturers with multiple production lines can handle large volumes quickly, ensuring faster delivery times for your orders.