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Klinger Board

Updated: 2026-07-22

Overview

Klinger Board is a specialized sealing material known for its durability and resistance to harsh conditions. It is commonly used in industries where high temperatures, pressure, and chemical exposure are concerns. The material is made from compressed fibers, often including asbestos-free formulations to meet modern safety standards. Originally developed for industrial gaskets, Klinger Board has evolved to include various grades tailored for specific applications. Its versatility and reliability make it a preferred choice for sealing solutions in sectors like oil and gas, chemical processing, and power generation.

Physical and Chemical Properties

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Klinger Board exhibits exceptional thermal stability, withstanding temperatures up to 500°C (932°F) depending on the grade. Its high density and low porosity contribute to its effectiveness as a sealing material, preventing leaks even under extreme pressure. The material is chemically inert, resisting attack from acids, alkalis, and oils. This property ensures long-term performance in corrosive environments. Additionally, Klinger Board is non-combustible and has low thermal conductivity, making it suitable for insulation purposes.

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Main Applications

The primary use of Klinger Board is in the manufacturing of gaskets for flanges, pumps, and valves in industrial piping systems. Its ability to maintain a seal under fluctuating temperatures and pressures makes it ideal for these applications. Beyond gaskets, Klinger Board is also employed as insulation material in high-temperature equipment. In the automotive industry, it is used for exhaust system gaskets and other components requiring heat resistance. The material's versatility extends to aerospace and marine applications where reliability under stress is critical.

Safety and Storage

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While modern Klinger Board is typically asbestos-free, handling the material can generate dust particles. It is advisable to use protective gloves, masks, and eye protection when cutting or machining the boards. Proper ventilation should be maintained in work areas. For storage, Klinger Board should be kept in a dry environment to prevent moisture absorption, which could compromise its sealing properties. Stacking should be flat to avoid warping, and the material should be protected from direct sunlight to prevent degradation over time.

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B2B Procurement Guide

When procuring Klinger Board for industrial applications, key specifications to consider include thickness (commonly ranging from 1mm to 12mm), density, and maximum operating temperature. Different grades may be required for specific chemical resistance properties. Quality certifications such as ISO 9001 and pressure equipment directives (PED) compliance should be verified. For large-scale procurement, samples should be tested under actual operating conditions. Lead times can vary depending on custom cutting requirements, so this should be factored into project planning.

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