• Polyurethane Based, One Component, Joint Sealant - PUMAST 600 Polyurethane Based, One Component, Joint Sealant - PUMAST 600

Joint Sealants and Mastics / Polyurethane Based, One Component, Joint Sealant

PUMAST 600

Description

PUMAST 600 is a highly elastic, low modulus polyurethane sealant, with good UV resistance and excellent adhesion to typical construction materials. PUMAST 600 is one component and cures with moisture to form a flexible sealant which can be overpainted after curing is finished. The sealant is non sagging, highly thixotropic, easy smoothing and has good workability. It is a perfect product for all types of static and dynamic expansion joints of structural members.

Fields of Application

  • PUMAST 600 is designed for civil and industrial movement, expansion, control and dilatation joints in architectural and heavy construction.
  • To be used as a sealant between concrete, mortar, brickwork, natural and synthetic stone, metal, steel, aluminum, wood, ceramic tiles, rigid plastics etc.
  • It can be used in drinkable water tanks safely.

Features and Benefits

  • Very elastic.
  • Protects elasticity between -40 °C to +80 °C.
  • One component. Easy to apply.
  • Cures with the humidity in the air.
  • It can be used in drinkable water tanks safely.
  • No need primer before PUMAST 600 for many surfaces.
  • Provides excellent adhesion on concrete, metal, wood and other surfaces.
  • Resistant to chemicals.

Application Procedure

Preparation of Substrate

All surfaces must be perfectly clean, dry and free from dust and grease. Where necessary apply a coating of primer on the joint walls. Use PU 101 A for porous (absorbing) surfaces like concrete, mortar etc.

Application Method

The sealant should not adhere to the joint bottom; the use of a joint backing rod is recommended. The width and depth of the joint must not be less than 5 mm. In manual applications, the material is places in an application gun and injected into the joint without causing the formation of any air bubbles.

Consumption

1,15 kg/lt

For example; needed 115 gr/m for 10 mm x 10 mm joint.

Package

600 ml sausages - 20 pcs/box

280 ml cartridge - 25 pcs/box

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