KLINGER® SOFT-CHEM

KLINGER® SOFT-CHEM

KLINGER® SOFT-CHEM is an innovative sealing solution that combines exceptional material properties with high reliability. By using multidirectionally expanded PTFE, this gasket ensures excellent chemical resistance and optimal adaptation to the sealed surface, even in the most demanding operating conditions - up to 260°C.

Construction and Material Properties

KLINGER® SOFT-CHEM is made of multidirectionally expanded PTFE (ePTFE), providing:

• Exceptional flexibility and adaptability - perfect fit to uneven sealing surfaces.
• Chemical resistance - wide range of applications in contact with aggressive media.
• Thermal stability - sealing effectiveness at temperatures up to 260°C.
• No material aging - long-term reliability without mechanical degradation.

Applications

Due to its high ability to adapt to sealed surfaces and corrosion resistance, KLINGER® SOFT-CHEM is used in various industrial sectors, such as:

• Chemical and petrochemical industry
• Food and pharmaceutical processing
• Energy and heat installations
• Paper and water-sewage industry

User Benefits

• Easy machining and cutting - customization to individual assembly requirements.
• Excellent tightness with low surface pressure - optimal performance even at low compression.
• Perfect sealing of flanges with large irregularities - elimination of leaks in demanding connections.

Standard Plate Sizes

• Available formats: 1500 x 1500 mm
• Available thicknesses: 1.5 mm, 2.0 mm, 3.0 mm
• Tolerances:
  • Thickness: ±10%
  • Length and width: ±50 mm
• Other dimensions available upon request

Certificates and Approvals

KLINGER® SOFT-CHEM meets the highest quality and safety standards, confirmed by certificates:

• Declaration of conformity according to regulation (EU) No. 1935/2004 (including 10/2011) - approval for food contact.
• FDA compliance declaration - KLINGER® soft-chem components meet FDA requirements for materials in contact with food.

Summary

KLINGER® SOFT-CHEM is an advanced sealing material distinguished by reliability, chemical resistance, and exceptional ability to adapt to the sealed surface. With its properties, it is an excellent choice for the most demanding industrial applications, ensuring durable and effective sealing in a wide range of operating conditions.

Technical Specification - KLINGER® SOFT-CHEM

Material

• Specialized high compressibility sealing material
• Synthetic fibers and elastomers tailored for aggressive chemicals

Physical Parameters

• Density: 0.9 g/cm³
• Leakage rate (DIN 28090-2): 0.001 mg/s x m

Mechanical Parameters

• Compressibility (ASTM F 36 M): 50-60%
• Recovery (ASTM F 36 M): 13-17%
• Residual stresses (DIN 52913) after 16 h at 150°C: 15 MPa
• Strength according to Klingers method: 25 MPa

Dimensional Stability

• Thickness loss at 23°C: 35%
• Thickness loss at 150°C: 30%

KLINGER® SOFT-CHEM is a high-performance sealing material designed for applications in the chemical and pharmaceutical industries. Its unique structure provides excellent resistance to aggressive chemicals while ensuring high flexibility and the ability to compensate for uneven loads. With exceptional compressibility and dimensional stability, it is an ideal solution for applications requiring reliable tightness at low compression forces.