Fosroc Thioflex555
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Fosroc Achieves US FED SPEC Certification

Fosroc has attained US FED SPEC SS-S-200E certification for its Thioflex 555 fast curing pavement sealant.

The US FED SPEC SS-S-200E is recognised worldwide as one of the most relevant performance standards for airport pavement joint sealing. To achieve this certification the sealant must pass many individual tests that relate to its service life environment for airport pavement joint sealing such as:

  • Bond to concrete when immersed in fuel
  • Flame resistance
  • Weathering
  • Resilience
  • Change in mass after fuel immersion
  • Change in volume at elevated temperatures

Alastair Holden, Fosroc’s Global Product Segment Manager said, “Thioflex 555 is proving to be an excellent solution for airport pavement joint sealing with its rapid return to service times and high durability performance. This accreditation from the world renowned US Federal Specifications Department, along with its BS5212 and EN14188 certification further strengthens Thioflex 555 as the product of choice for airport pavement sealing giving great value to building owners, designers and contractors.”

Click here to view Thioflex 555 product page.

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