BOSTIK THERMELT 195

Harmonization Code : 3214.10.00 | Putty and other mastics | Resin cements, caulking compounds and other mastics

BOSTIK TMELT 195

Main features

  • High-Thermal-Stability Electronics Overmolding
  • Increased-Hardness Molded Protection
  • One-Component Low-Pressure Molding

Product Description

Bostik Thermelt 195 is a one-component polyamide hot melt resin for low-pressure molding and electronics overmolding. The grade combines a -20 to 150 deg C operating range with a 200 +/- 5 deg C softening point and Shore D hardness of 45/40 measured immediately and after 15 seconds. Its increased hardness and thermal stability distinguish it within the Thermelt molding range while retaining the low-pressure encapsulation format used for electronic assemblies. Applications include low-pressure molding, encapsulation, and protection of electronic components and assemblies where a moldable polyamide layer is required.

Key features

  • High thermal range: The grade operates from -20 to 150 deg C and has a 200 +/- 5 deg C softening point.
  • Increased hardness: Shore D hardness is 45/40 by ISO 868, measured immediately and after 15 seconds.
  • Electronics overmolding: Moldable polyamide grade for low-pressure encapsulation and protection of electronic components and assemblies.

Applications

Low-pressure molding, encapsulation, and protection of electronic components and assemblies.

Product Family

BOSTIK THERMELT 195

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TDS, SDS & Technical Documents

Technical Specifications

Mechanical Properties
Elongation
Elongation is the process of lengthening something. It is a percentage that measures the initial, unstressed, length compared to the length of the material right before it breaks. It is commonly referred to as Ultimate Elongation or Tensile Elongation at break.
> 400 %
Electrical Properties
Dielectric Strength
Dielectric strength is measured in kV per mm and is calculated by the Breakdown voltage divided by the thickness of the tested material. Those two properties go hand in hand and while Breakdown voltage is always thickness dependent, dielectric strength is a general material property. As an example, the dielectric strength of Polyimide is 236 kV/mm. If we place 1mm of Polyimide between two electrodes, it will act as an insulator until the voltage between the electrodes reaches 236 kV. At this point it will start acting as a good conductor, causing sparks, potential punctures and current flow.
19 kV/mm
Volume Resistivity
Volume resistivity, also called volume resistance, bulk resistance or bulk resistivity is a thickness dependent measurement of the resistivity of a material perpendicular to the plane of the surface.
1×10¹² Ohms⋅cm

Additional Information

Technical properties

Final-state properties

PropertyValueUnitMethod / condition
Operating range-20 to 150deg CGrade operating range
Shore hardness45 / 40DISO 868; instant / 15 s
Softening point200 +/- 5deg CASTM D3461

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