Flexseal
PS660

High performance two component polysulphide civil sealant
 
Advantages
  • Cold applied.
  • Good adhesion to concrete, stone, metals and many other common building substrates.
  • Available in two grades, gun and pouring grade.
  • UV-resistant.
  • High movement accommodation factor.
  • High service life.
Description

Flexseal PS660 is a two-part polysulphide sealant which when mixed, cures to form a flexible rubber seal. It has good adhesion to concrete, stone, metals and many other common building substrates.

Packaging

Flexseal PS660 Gun Grade: 2.5 litre packs (includes base and curing agent)
Flexseal PS660 Pouring Grade: 2.5 Litre packs (includes base and curing agent). The curing agent is packaged separately within the can
Flexprime PS100: 500 ml tin.

Yield

Flexprime PS100 approximately 125 metres/tin.

Joint Size Suitability

Joint Width
  • Minimum 6 mm.
  • Maximum 50 mm (multiple application). However, for wider joints, trials should be conducted to assess nonsagging conditions at vertical side.
Joint Depth
  • Minimum 10 mm on porous substrates (12 mm in floor joints).
  • Minimum 6 mm on non porous substrates (12 mm in floor joints).
  • Maximum 25 mm.
Gun Grade Width : Depth Ratio (within above min./max. restrictions)
  • 2 : 1 butt joints.
  • 1 : 1 lap/floor joints.
Pouring Grades Width : Depth Ratio (within above min./max. restrictions)
  • 1 : 1 floor joints up to 25 mm width joints up to 30 mm a joint depth of 25 mm.
  • Pouring grade are only used when a joint width is of a minimum of 12 mm.

Shelf Life

Flexseal PS660 and Flexsprime PS100 have a shelf life of 12 months from date of manufacture if stored at temperatures between 2⁰C and 35⁰C.

Standards

Gun Grade:
  • BS EN ISO 11600 F 25 LM.
  • BS 4254:1983.
  • BS 6920:1996.
  • ASTM C920, Type M, Grade NS, Class 25, Use NT, T, I and M.
Pouring Grade:
  • BS 5212:1990, Type FB (includes types N andF).

Applications

For sealing structural floor joints in various applications such as:

  • Parapet wall joints.
  • Joints in metal and concrete sea walls.
  • Joints in water retaining structures (including potable water when using gun grade).
  • Runway aprons and runways
  • Road and tile joints.
  • Structural Floor Joints.
  • Expansion and construction joints.


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