MasterSeal GG 470 - A two component high performance polysulfide based elastomeric joint sealant (Gun Grade)

How does MasterSeal GG 470 work?

MasterSeal GG 470 is a high grade, polysulphide based sealant possessing outstanding resistance to deterioration due to weathering, ozone, ultraviolet light and attack by chemicals present in industrial atmospheres. It has the ability to withstand repeated cycles of compression and extension over a wide temperature range, and has excellent adhesion properties to all materials commonly employed in building and construction work.

MasterSeal GG 470 has been tested to the following standards:

  • ASTM C 920-02 Type M, Class 25
  • BS 5212 : Part 1 : 1990 Compliance
  • WRAS Approval for use in potable water

What is MasterSeal GG 470 used for?

MasterSeal GG 470 is supplied for sealing horizontal and vertical joints where pronounced cyclical movement is expected and where the service conditions would be harsh for most common sealants. It is ideal for use in expansion joints in reinforced concrete structures such as bridges, reservoirs, water treatment works, sea walls and roads, etc. It can also be used in floor joints subject to heavy usage where a high resistance to damage is required.

What are the benefits of MasterSeal GG 470?

MasterSeal GG 470 has a long track record in the Middle East and offfers the following advantages:

  • A movement accommodation factor of ± 25%.
  • Excellent weathering resistance
  • Very good adhesive properties

Product Information

Technical ​Data Sheet

Specification Clause

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