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

Buna Rubber Sheet Manufacturer in China – Weeprofab

Product Details: Buna rubber sheets, also known as Nitrile or NBR, are manufactured by Weeprofab using two polymers: butadiene and acrylonitrile. Butadiene enhances the rubber’s crack endurance, while acrylonitrile improves its oil resistance. These sheets are suitable for producing seals, gaskets, O-rings, and other applications. They operate within a temperature range of -30 to +120 degrees Fahrenheit and are safe, food-grade certified, and non-allergenic. The sheets are available in various thicknesses and can be custom-cut to specific lengths and sizes[3].

Pros:
– Excellent oil and fuel resistance
– High tensile strength and low compression set value
– Operates in a wide temperature range (-30 to +120 degrees Fahrenheit)
– Food-grade certified and non-allergenic
– Available in various thicknesses and custom sizes
– Enhanced crack endurance due to butadiene content

Cons:
– Limited high-temperature resistance compared to some other rubber types
– May not be as resistant to certain chemicals as other specialized rubbers
– Not suitable for applications requiring high UV resistance

Buna-N rubber: Ideal Rubber Sheet for Oil, Fuel, and Grease

Product Details: Buna-N, or nitrile butadiene rubber (NBR), is a synthetic copolymer made from acrylonitrile and butadiene. It is composed of 18%-50% acrylonitrile, with 34% being a common ratio. This material is known for its high resistance to oils, fuels, and other chemicals, as well as its superior strength and abrasion resistance. It can withstand temperatures ranging from -40°C to 100°C (or up to 135°C for special compounds) and has a hardness range of 40 to 90 Shore A. Buna-N is highly customizable and can be used in various applications including automotive, marine, aeronautical fuel and oil systems, disposable non-latex gloves, belts,

hoses, o-rings, gaskets, and more.

Pros:
– Excellent resistance to petroleum-based oils, fuels, and other chemicals
– High tensile strength and abrasion resistance
– Good low-temperature flexibility
– Low compression set
– Cheaper than many other elastomers, including fluoroelastomers
– Good resistance to aliphatic hydrocarbons, vegetable oils, silicone oils, and gr…
– Three times more resistant to punctures than natural rubber

Cons:
– Susceptible to ozone, ketones, ethers, esters, aromatic hydrocarbons, and strong…
– Poor resistance to fire, sunlight, harsh weather, and high temperatures
– Less flexible than other rubbers, especially with higher acrylonitrile content
– Poor dielectric properties and flame resistance
– Limited resistance to concentrated acids and chlorinated hydrocarbons

American Biltrite AB-366 White BUNA Nitrile Rubber Sheet

Buy Rubber Sheet Buna N Online

Product Details: Buna-N rubber sheets, also known as nitrile rubber or NBR, are synthetic rubber copolymers of acrylonitrile and butadiene. They are available in various thicknesses, including 1 inch. These sheets are in stock and can be purchased online. The Buna-N rubber exhibits a durometer hardness of 60A and is known for its excellent resistance to oils, fuels, and other chemicals. It is commonly used in applications requiring good abrasion resistance and durability.

Pros:
– Excellent resistance to oils, fuels, and other chemicals
– Good abrasion resistance and durability
– Available in various thicknesses
– Synthetic copolymer of acrylonitrile and butadiene for robust performance

Cons:
– May not be suitable for applications requiring high temperature resistance
– Can be more expensive than some other types of rubber

Weeprofab Custom Rubber Sheet – Weprofab

Product Details: Weeprofab manufactures a wide range of rubber sheet products, including over 50 different grades. These sheets are made of rubber or cloth coated with rubber and are used for gaskets, sealing, and specialized applications. They offer better mechanical qualities, higher tensile strength, and lower elongation. The products are suitable for producing seals, washers, chute linings, gaskets, door seals, and hatch seals. Materials include FKM, HNBR, Hypalon, Neoprene, and more. The rubber sheets are available in various thicknesses, sizes, and lengths, and they comply with certifications such as RoHS, BS, FDA, ASTM, etc. Weeprofab supports mass production with competitive pricing and

fast lead times. Customization options are available, including specific formulations resistant to oil, fuels, and chemicals, as well as low and high-temperature formulations.

Pros:
– Custom-cut to specific lengths, sizes, and thicknesses
– Specific formulations resistant to oil, fuels, and chemicals
– Available in low and high-temperature formulated sheets
– Provide protection to various machines
– Resistant to rust, discoloration, and electricity
– Wide selection of materials, colors, features, and sizes
– Compliant with international standards such as REACH, RoHS, CE, SGS, etc.
– Cost-effective with high return on investment
– Excellent after-sales support and 24/7 customer service

Cons:
– No specific cons mentioned, but the complexity of choosing the right material fr…
– The need for strict quality control and compliance with multiple standards may a…

Buna-N Nitrile Rubber Sheets

Buna N 1.7 g/cm³ Black 3mm nitrile rubber sheet

Product Details: Buna-N rubber, also known as Nitrile Buna-N or NBR, is a synthetic elastomer made from the polymers acrylonitrile and butadiene. It is available in various thicknesses (from 1/16″ to 2″) and sizes (up to 50ft in length and 78″ in width). The rubber sheets can be customized for specific applications and come with or without adhesive backing. They have a hardness range, typically measured in Shore A units, and a density of around 1.35 g/cm3. The temperature range for Buna-N rubber is generally between -30°C and 120°C[1][3][4].

Pros:
– Excellent resistance to oils, fuels, and greases
– Increased air and gas impermeability with higher acrylonitrile content
– Greater tensile strength and abrasion resistance
– Higher resistance to heat-aging and increased hardness with higher acrylonitrile…
– Lower compression set and increased physical resilience with lower acrylonitrile…
– Versatile for various applications including gasketing, sealing, and industrial…

Cons:
– Lower acrylonitrile content reduces resistance to oils, fuels, and greases
– Lower acrylonitrile content also reduces temperature flexibility and increases c…
– May not be as flexible or elastic as other types of rubber with lower acrylonitr…
– Not suitable for high-temperature applications beyond 120°C

Sheet: Buna-N Rubber, 36″ Wide, 36″ Long, Black

Product Details: The product is a Buna-N Rubber sheet, measuring 36 inches wide and 36 inches long. It is black in color and available for purchase through MSC Direct.

Pros:
– Durable and versatile material suitable for various industrial applications.
– Free 30-day returns offered by MSC Direct.
– Wide and long dimensions provide ample material for different projects.

Cons:
– No specific certifications or compliance information provided on the product pag…
– Limited information on the product’s thickness and other physical properties.
– No customer reviews or ratings available on the product page to gauge user satis…

1/4″ x 36″ x 36′ – Nitrile/BUNA-N Rubber Sheet Roll

Product Details: Nitrile rubber sheets are made from a copolymer of butadiene and acrylonitrile. They have an operating temperature range of -30°C to +120°C and a Shore Hardness typically between 60A to 75A. These sheets are available in various thicknesses (1mm to 12mm) and standard widths of 1.2 meters. They are highly durable, offer excellent oil and fuel resistance, and are resistant to certain chemicals and dilute acids. They are used in applications such as gaskets, seals, diaphragms, and in industries like automotive, chemical processing, and construction.

Pros:
– Excellent oil and fuel resistance
– Good resistance to certain chemicals and dilute acids
– High durability and mechanical strength
– Moderate flexibility and elasticity
– Wide operating temperature range (-30°C to +120°C)
– Resistant to ozone, making it suitable for outdoor use
– Easy to cut to size and available in various formats

Cons:
– Can be damaged by ozone, chlorinated solvents, ketones, aldehydes, esters, and n…
– Not resistant to antioxidant agents and chlorine
– May degrade when exposed to certain caustic agents

Buna-N Rubber Sheet No Adhesive – 50A – 3/8″ Thick x 18″ …

Product Details: Buna-N Rubber Sheet No Adhesive – 50A – 3/8″ Thick x 18″ Wide x 18″ Long. This rubber sheet is made from Buna-N (nitrile) rubber, which is known for its resistance to oil, fuel, and other chemicals. It has a durometer hardness of 50A, indicating a medium hardness level. The dimensions are 3/8 inch thick, 18 inches wide, and 18 inches long. The product is available for purchase at $72.23 per unit.

Pros:
– Resistant to oil, fuel, and other chemicals due to its Buna-N composition.
– Medium hardness level (50A durometer) suitable for various applications.
– Standard dimensions (3/8″ thick x 18″ wide x 18″ long) for easy integration.

Cons:
– No adhesive is included, which may require additional preparation or materials f…
– Limited to specific applications where Buna-N rubber is suitable; may not be ver…

Comparison Table

Frequently Asked Questions (FAQs)

What types of rubber sheets do Chinese factories typically produce?

Chinese rubber sheet factories produce a wide range of rubber sheets, including SBR (Styrene Butadiene Rubber), NBR (Nitrile Butadiene Rubber), NR (Natural Rubber), CR (Neoprene), EPDM (Ethylene Propylene Diene Monomer), and FKM (Viton) rubber sheets. Each type has its unique properties and applications, such as oil resistance, temperature tolerance, and chemical resistance.

How do Chinese rubber sheet manufacturers ensure the quality of their products?

Chinese rubber sheet manufacturers ensure quality by sourcing raw materials from suppliers that have undergone strict quality tests and certifications. They also use advanced production machinery and implement rigorous quality control processes from raw material selection to the final product packaging. Additionally, many of these manufacturers comply with international standards such as ASTM, REACH, and RoHS.

What are the common applications of rubber sheets produced in China?

Rubber sheets from Chinese factories are used in a variety of industries, including industrial buildings, footwear, medical, food and beverages, railways and automotive, marine and defense, and agricultural machines. They are also used for producing seals, gaskets, chute linings, door seals, and other specialized applications.

Can I customize the rubber sheets according to my specific needs?

Yes, you can customize rubber sheets to meet your specific requirements. Many Chinese manufacturers offer customization options, including different thicknesses, colors, lengths, and material formulations. They can help you choose the right material based on factors like temperature, hardness, tensile strength, and resistance to various substances.

What certifications and standards do Chinese rubber sheet products comply with?

Chinese rubber sheet products often comply with various international certifications and standards, such as RoHS, BS, FDA, ASTM, REACH, and CE. These certifications ensure that the products meet high-quality and safety standards, making them suitable for use in diverse applications and industries.