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novatec ® SPECAL

novatec ® SPECAL

Product catalog summary
Overview: novatec® SPECIAL is an engineered graphite material combined with Kevlar®, designed for high-temperature gasketing applications. It is reliable up to 360°C and offers excellent adaptability, stress relaxation, and flexibility.
Specifications:
  • Binders: NBR
  • Approvals: KTW
  • Color: Golden brown
  • Anti-stick coating: Both sides A310 standard
  • Sheet size and thickness tolerance: According to DIN 28 091-1
Physical Properties:
  • Gasket thickness: 2.0 mm
  • Density: 1.00 ± 0.05 g/cm³
  • Tensile strength: Longitudinal ≥ 2.0 N/mm², Transverse ≥ 1.2 N/mm²
  • Residual stress at 175°C: ≥ 40 N/mm², at 300°C: ≥ 38 N/mm²
  • Compressibility: 45 ± 5%
  • Recovery: ≥ 8.0%
  • Fluid resistance: Weight change ≤ 45% (ASTM IRM 903), ≤ 40% (ASTM Fuel B)
  • Thickness increase: ≤ 2% for both fluids
Applications: Suitable for steam gaskets in power plants and general chemical industry applications involving oils, water, steam, weak acids, and alkalis.
Supply Data:
  • Dimensions: 1000 x 2000 mm, 1500 x 1500 mm, 2000 x 1500 mm
  • Thicknesses: 1.0, 1.5, 2.0, 3.0 mm
  • Custom dimensions and thicknesses available upon request
Quality and Environmental Management:
  • Quality Management: ISO 9001, ISO/TS 16949
  • Environmental Management: ISO 14001
Key Features:
  • High adaptability to flange irregularities
  • Excellent long-term stability and stress relaxation
  • Safe handling due to high flexibility
  • Tool-protecting effect during cutting
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Catalog excerpts

novatec ® SPECAL-1

novatec® SPECIAL - Engineered graphite with Kevlar® Material data General Data novatec® SPECIAL combines the positive gasketing properties The material owes its excellent reliability even at extremely high temperatures to a very low percentage of binders used. The extraordinary safety in operation of novatec® SPECIAL reduces the costs for maintenance and changing the gaskets to a minimum; this investment is surely worthwhile in order to increase the safety in operation. Very high adaptability Due to its material structure novatec® SPECIAL distinguishes itself by its excellent adaptability to flange irregularities. This flexibility allows novatec® SPECIAL to also be used in old flanges-which is surely a contribution to reducing costs. Very high stress relaxation novatec® SPECIAL offers constant security during maintenance intervals due to its excellent long-term stability. The high stress relaxation as well as the longer life of novatec® SPECIAL increase the intervals between maintenance - a further contribution to cost reduction. Safe handling due to high flexibility The patented combination of graphite and Kevlar® makes novatec® SPECIAL extremely flexible and resistant to fracture. Installation problems are a matter of the past. Dimensions in big sizes for gaskets from one piece The available dimensions make superfluous complicated processing steps with special dimensions. "Tool-protecting effect" in cutting novatec® SPECIAL is perfectly suitable for cutting even with simple tools due to the "lubricating effect" of the graphite and the missing metal inserts. Kevlar® is a DuPont registered trademark. Typical applications • The steam gasket used in power plants • Application in the general and chemical industry for oils, water, steam, weak acids and alkalis Supply data • Further dimensions and thicknesses are available on Quality Management Environmental Management

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