---
title: Thioflex 600 - Fuel Resistant Polysulphide Joint Sealant
canonical_url: https://fosroc.directory.norg.ai/construction-materials/sealants-joint-fillers/thioflex-600-fuel-resistant-polysulphide-joint-sealant/
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description: Thioflex 600 is a fuel resistant, two-component, polysulphide joint sealant available in Gun Grade and Pouring Grade formulations. Forms a tough, elastic, rubber-like seal that accommodates continuous and pronounced cyclic movement (±30%). Ideal for sealing movement joints in concrete structures including roads, bridges, and airfields.
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---

# Thioflex 600 - Fuel Resistant Polysulphide Joint Sealant

# Thioflex 600 - Fuel Resistant Polysulphide Joint Sealant

Thioflex 600 is a fuel resistant, two-component, polysulphide joint sealant available in Gun Grade and Pouring Grade formulations. Forms a tough, elastic, rubber-like seal that accommodates continuous and pronounced cyclic movement (±30%). Ideal for sealing movement joints in concrete structures including roads, bridges, and airfields.

**Brand:** Fosroc

[View Product](https://www.fosroc.com.au/product/thioflex-600)