Around the world and across industries, sealing products are critical to safety and efficiency.

Sealing manufacturers in the market generally lack effective solutions for durability and sustainability, But Longsheng did this by leading the transition toward safe, sustainable, high-performance sealing products. Longsheng provides professional service and high-quality products in sealing problems for industries. Our sealing products range including all rotary and stationary occasions.

Types of anti corrosion coatings material

Asbestos Free Gasket

High Pressure Asbestos Gasket

Compressed Asbestos Gasket

Non Asbestos Gasket

Asbestos Gaskets are made of asbestos fiber and rubber as the main raw materials, supplemented by rubber compounds and fillers, and are made by mixing and stirring, hot roll forming, vulcanization, and other processes.

Graphite Products

Graphite Blocks

Graphite Gasket

Packing root products are molded from the coil, are precise in size, can be fixed in density, and do not have any additional fillers or adhesives.

Metal Ring Gasket

Octagon Gasket

Elliptical Gasket

Metal ring gaskets are solid metal gaskets with metal materials processed into octagonal or oval shapes, with radial self-tightening sealing.

Nylon Products

Nylon Plate

Nylon Rod

Nylon Special Shape

Nylon Tube

POM Plate

Nylon products are widely used in electrical and electronic, automobile, construction, office equipment, machinery, aerospace and other industries due to their high-performance advantages in mechanical properties, durability, corrosion resistance, heat resistance, etc., replacing steel with plastic, to replace wood with plastic has become an international trend.

Phenolic Clipping Cloth Products

Phenolic Clipped Fabric Support Ring

Phenolic Cloth Clamp Sleeve

Phenolic Fabric

This product is formed into a laminated board through drying and heat pressing after cotton cloth dips into PF resins. It is suitable as the structural components with certain mechanical performance and electric performance for machinery, electric engine, and electric equipment. Polyethylene Products: The main component of polyethylene plastic is polyethylene. Its raw material ethylene mainly comes from petroleum cracking and belongs to petrochemical products.

Polyethylene Products

FRPP Pipe

PE Tube

Polypropylene Plate

Polypropylene Rod

Polypropylene Tube

The main component of polyethylene plastic is polyethylene. Its raw material ethylene mainly comes from petroleum cracking, and belongs to petrochemical products.

PTFE Products

Expanded PTFE Product

Expanded PTFE Plate

Expanded PTFE Tape & Cord

PTFE Gasket

PTFE Plate

Polytetrafluoroethylene(PTFE) is also called Teflon. Teflon products resist almost all corrosive chemicals and have great thermal stability, making them an ideal material for the chemical industry. Our PTFE/ Teflon parts made of virgin PTFE material can be customized to your specifications and manufactured in large quantities.

Coiled Root Products

Carbon Fiber Packing

Packing Ring

PTFE Packing

Packing root products are molded from the coil, are precise in size, can be fixed in density, and do not have any additional fillers or adhesives.

Metal Wound Gasket

Spiral wound gaskets(SWG) have become extremely popular due to the wide variety of available styles and sizes.

UHMW Sheet

UHMWPE is unbranched chain with a molecular weight of 1.5 million or more Linear polyethylene.

Chemical Engineering

Mechanical seal technology is widely used in chemical industry pumping equipment. Mechanical sealing equipment has high requirements for its design, manufacturing, installation, and operating environm...

Petroleum

Mechanical sealing device is usually used to seal the body and rotating shaft. In addition, mechanical sealing also plays a key role in protecting the normal operation of centrifuges, mixers, reactors...

Which Material Are Commonly Used in Anti-corrosion Sealing?

Commonly used gel anti corrosion sealing materials are divided into the followin