Plastisol Mastic PMSH (Noise-Reducing, for Sealing Internal and Welded Joints)

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Mastic is a mixture of polyvinyl chloride resins with plasticizers, thermostabilizers, viscosity stabilizers, fillers, adhesive, thixotropic and other additives.

Category: PVC Plastisol Mastic

Purpose: Automotive industry

Technical specifications
Main purpose and application

Technical specifications

1. Appearance at temperature not lower than +15°C: Homogeneous paste from white to light-yellow, easy to apply with a brush or spatula. 2. Pot life at 18–25°C, min: 3 h 3. Bond strength in delamination of double-layered kirza, min, N/cm (kgf/cm) after 24 h: 40.0 (4.0) 4. Shear strength of adhesive joints of D16AT alloy, anodized, kgf/cm², min, at test temperature: 20°C – 140 60°C – 120

Main purpose and application

The mastic is intended for lap joints, reinforcement bonding. The mastic adheres to raw unprepared metal. The material is a PVC plastisol with thixotropic behavior and has sealing and anti-vibration effects.

Main application areas:
Automotive industry (reinforcement bonding)
  • Bonding seals in grooves of bushings and pipelines (Ch-5-A mastic).
Construction and industry
  • Sealing joints of pipes, window blocks, panel seams.
  • Waterproofing of roofs and foundations (resistant to water and UV radiation).
  • Bonding filters in ventilation systems.