rubber sealing sheet

Your Leading Sealing Plate Supplier

Jiangsu Sealstars Sealing Technology Co., Ltd. is a long-established enterprise in the sealing industry, a governing unit of the China Friction Sealing Materials Association, and a governing unit of the China Hydraulic and Pneumatic Seals Industry Association. Our sealing plate contains valve sealing plate and flange sealing material. Sealing plates are versatile components used across various industries to create static seals, primarily for preventing leaks and separating different media. They can be used in static flange seals, fastener seals, and as specialized components for specific sealing needs.

Why Choose Us

Production Capacity

The company boasts a registered capital of USD 34.7 million, spans an area of 102 acres, and is equipped with multiple factories as well as independent laboratories. Its annual production capacity reaches 2,000 tons.

Professional Team

Our company is supported by an experienced R&D team and a highly professional inspection team committed to quality assurance. To date, the company has been granted 2 invention patents and 7 utility model patents.

Advanced Equipment

The company is equipped with state-of-the-art production facilities, including rubber mixers, rubber cutters, rubber grinders, molding machines, dryers, vulcanizers, and environmentally friendly recycling devices, among others.

Quality Assurance

All products manufactured by the company have successfully obtained certifications for the Quality Management System (ISO9001), Environmental Management System (ISO14001), and Occupational Health and Safety Management System (ISO45001).

Types of Sealing Plate

Valve Sealing Plate

Valve sealing plates is a component within a valve, typically feature a combination of materials and designs for durability, low friction, and high impact resistance. They often use fiber-reinforced polymers, tribologically optimized surfaces, and may include features like conically milled seats and guards for enhanced sealing and flow control.

Flange Sealing Material

Flange sealing materials are designed to create a leak-proof seal between two flanges when they are bolted together. Key features include flexibility, chemical resistance, temperature tolerance, and the ability to seal irregular surfaces. They also need to withstand the compressive load of bolted connections and be resistant to stress relaxation over time.

Versatile Non-Asbestos Rubber Sheet Seal Plate

Specifications of Sealing Plate

Number	Test item		Unit	Parameter value
1	Density, ASTMF-1315		G/cm³	1.9±0.1
2	Strength, ASTMF-152		Mpa	≥7.0
3	Compression, ASTMF-36		%	7-17
4	Resilient rate, ASTMF-36		%	≥40
5	Sealing, ASTMF-37		Ml/min	≤1.0
6	Always gentle and soft		Bend on a round bar with a diameter 12 times the nominal thickness of the sample.	No crack
7	Impregnated IRM903 oil performance (149±2ºC, 5h)	Thickening rate	%	0-15
7	Impregnated IRM903 oil performance (149±2ºC, 5h)	Weight gain rate	%	≤20
8	Performance after immersion of ASTM Fuel Oil B (21ºC-30ºC, 5h)	Thickening rate	%	0-15
8		Weight gain rate	%	≤20
Note 1: The gasket material with thickness greater than 3.0mm shall not be tested for transverse tensile strength
Note 2: Screen reinforced gasket material, do not do transverse tensile strength and nitrogen leakage rate test

Functions of Sealing Plate

Unmatched Durability

Built from premium materials for long-lasting, reliable performance.

Engineered Precision

Precisely crafted for consistent performance under extreme pressure conditions.

Superior Flexibility

Effectively absorbs energy and disperses stress to ensure smooth functionality.

Tailored Options

Offered in a range of sizes and specifications to suit diverse industrial requirements.

Customization Options

Specifications	Customizable
Thickness	0.5-5mm, 5.0mm above the board can be bonded.
Colors	Green blue black
Material	Fiber, NBR
MOQ	Customizable
Customized samples	7-10 days
Package Size	800800300mm/12001200400mm
Package Gross Weight	250.000kg
Trademark	BTT

Ordering Process

6-standardized and easy steps from getting a quote to shipment.

Get a Quote

Please request a quote through our website and ask for customization.

Request Sample

Please request samples in advance to gain a comprehensive understanding of the product's materials, printing quality, and features prior to placing bulk orders.

Place Your Order

Place an order of your liking after selecting your preferred shipping option.

Start Production

Production will start after design approval; the production takes about 2-3 weeks.

Quality Inspection

After complete production, the products undergo quality testing.

Shipping

The order is ready to take off to your place. Once it is shipped out we would let you know the tracking info.

Certificate

productcate-1-1

Packaging & Delivery

Packaging	Packed by standard import & export wooden boxes.
Shipping	By logistics; by automobile; by train; by shipping; by air.
Payment	L/C; T/T; Paypal; West Union; Money Gram etc;

FAQ

Q: Can sealing plates be customized in terms of size and shape?

A: Yes. We will recommend suitable products or customized solutions according to customer needs. Provide technical parameters and qualification certification. When the quality is confirmed, we can mail the sample and produce according to the quality of the sample. Provide a quotation, the quotation clearly trade terms, payment methods, etc., we will give customers trust.

Q: How do I select the right sealing plate for my specific application?

A: Consider factors like the operating temperature and pressure of your system, the type of fluid or gas being sealed, the chemical compatibility of the material with the substances in contact, and the surface finish and flatness requirements of the sealing plate. If chemical resistance is crucial, a PTFE - coated or PTFE - based sealing plate could be a better choice.

Q: What is the typical thickness of sealing plates?

A: For some light - duty or low - pressure applications, the thickness might be as thin as 0.5 mm to 1 mm. In heavy - duty industrial applications, especially those involving high pressures and large - diameter seals, the thickness could range from 3 mm to 10 mm or more. The specific thickness is determined by factors such as the required strength, the amount of compression needed for a proper seal, and the overall design of the sealing system.

Q: What is the difference between a sealing plate and a gasket?

A: A sealing plate is often made of a relatively hard material and may have a specific shape and design to fit into a particular mechanical assembly. A gasket, on the other hand, is usually a softer, more compressible material that is placed between two mating surfaces to fill gaps and provide a better seal.

Q: How do I maintain and care for a sealing plate?

A: Regular inspection is important to check for any signs of wear, damage, or corrosion. Clean the sealing plate regularly with a suitable cleaning agent, depending on the material and the substances it comes into contact with. Avoid using abrasive cleaners that could scratch the surface and affect the sealing performance.

Q: How can I tell if a valve sealing plate is damaged?

A: Visually inspect the sealing plate for any signs of wear, such as cracks, tears, or grooves. Check for any signs of deformation or distortion. If there is leakage around the valve even when it is closed, it could be an indication of a damaged sealing plate.

We're professional sealing plate manufacturers and suppliers in China, specialized in providing high quality customized service. Welcome you to wholesale cheap sealing plate made in China here and get free sample from our factory. For price consultation, contact us.

Asbestos free joint rubber sheet, High pressure asbestos free rubber gasket, Medium Pressure Asbestos Rubber Sheet