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Technical Analysis of Silicone Forms: Properties and Characteristics from Solid to Foamed Structures
Silicone (typically referring to silicone rubber) is a polymer elastic material with a silicon-oxygen (Si-O) backbone and organic groups on side chains. Its form can be diversified through formulation design and processing techniques to meet various engineering requirements. This article systema...Read more -
J-Scrapers: Principles, Applications, and Key Design Selection Points
In hydraulic and pneumatic transmission systems, contamination control is crucial for ensuring system reliability and extending component service life. As the first line of defense, the role of the scraper seal is paramount. Among the various types of dust seals, the J-Scraper (or J-Type Wiper)...Read more -
Good luck on the start of construction！
Grand Opening & New Year Blessings Dear Partners and Customers, Guangdong DLSEALS Technology Co., Ltd. (DLSEALS) warmly announces our grand opening on February 24, 2026 (Lunar 8th day of the new year). We sincerely thank you for your continued trust and support! As a specialist in sealing s...Read more -
Technical Overview of Rolling Mill Oil Seals: Design, Materials, and Applications
Rolling mill oil seals are indispensable key components in the steel production and metal processing industries. They are primarily used to prevent lubricant leakage, block contaminants from entering the bearing system, and maintain stable equipment operation under high-load, high-speed rotation ...Read more -
PEEK Seal Selection Guide: A Comprehensive Pros and Cons Evaluation from 250°C High Temperature to High-Pressure Corrosion Environments
Polyether Ether Ketone (PEEK) is a high-performance semi-crystalline thermoplastic special engineering plastic that is highly favored for sealing applications under extreme conditions. PEEK seals (including O-rings, backup rings, lip seals, valve seats, gaskets, etc.) are widely used in oil &...Read more -
How to Distinguish Between Glyd Ring and Stepseal
In hydraulic and pneumatic systems, seals are critical components that ensure efficient system operation. Among them, the Glyd Ring and Stepseal (also known as Step Seal) are common composite seals widely used for piston and piston rod sealing. Although both share similarities in materials and b...Read more -
The Silent Guardian: A Comprehensive Analysis and Future Evolution of Hydraulic Sealing Technology
Within modern industrial systems, hydraulic technology functions as an invisible “river of power,” driving behemoths from massive tunnel boring machines to precision injection molding equipment. At every critical juncture of this power river stands a vital, silent guardian—the hydrau...Read more -
Guangdong Delong Sealing Technology Co., Ltd. ——————— 2026 Spring Festival Holiday Notice ———————
Spring Festival Holiday Notice 2026 Guangdong Delong Sealing Technology Co., Ltd. Dear Valued Customers, Thank you for your continued trust and support. Please be informed that our office will be closed for the Chinese Spring Festival from: February 12, 2026 (Lunar Dec. 25) to February 23, 2026 ...Read more -
Production Process and Flow of Skeleton Oil Seals
Skeleton oil seal, also known as radial shaft seal or lip seal, is a widely used sealing element in mechanical equipment. It is primarily designed to prevent lubricant leakage and ingress of external contaminants into rotating shaft systems. Composed of a rubber sealing body, metal skeleton, and...Read more -
Application of Ceramic Fiber-Filled Metal O-Rings in High-Temperature Sealing Technology
Introduction O-rings, as a common static sealing element, are widely used in flange connections, valves, and pressure vessels. At room temperature, rubber or polymer O-rings suffice; however, in high-temperature (>500°C) or extreme environments (such as vacuum, high pressure, or corrosive med...Read more -
Hydraulic Cylinders’ “Invisible Guardians”: A Complete Guide to Guide Strips and Guide Rings
Guide strips and guide rings are among the most critical guiding elements (also commonly called wear rings, support rings, guide rings, or wear bands / guide strips) in hydraulic and pneumatic cylinder systems. Though small in size, they directly impact the service life, motion smoothness, seali...Read more -
The Invisible Revolution of Gas Seals: How Dry Gas Seals Became the Gold Standard for Modern Compressors
Gas seals are critical components in modern industrial equipment, designed to prevent the leakage of gas media. Their most representative and widely used form is the dry gas seal (DGS), which has become a core technology in high-speed rotating machinery such as centrifugal compressors, screw com...Read more
