VITRETHANE 644 is a premium two-pack, high-performance two-component polyurethane based on reactive acrylic crosslinked with aliphatic isocyanates, suitable for ambient or low-temperature curing. This formulation ensures superior weathering resistance and utilizes highly durable pigments for outstanding chemical and graffiti resistance, as well as excellent exterior durability.
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This product is used extensively for Tunnel Lining Coatings. VITRETHANE 644 has been used in the following tunnels:
Links:
VITRETHANE 644 Technical Data Sheet
VITRETHANE 644 Safety Data Sheet – Part A
VITRETHANE 644 Safety Data Sheet – Part B
For Architects:
How to specify for your project
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