Forspec

Forspec ACTFLEX MS PRO – Modified PU Joint & Expansion Sealant

$13.00 AUD
$13.00 AUD
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Forspec ACTFLEX MS PRO is a one-component moisture-curing modified polyurethane joint and expansion sealant designed for construction joints, control joints and waterproofing corner junctions. Compliant with ASTM C920 Class 50 and ISO11600 F Class 25LM, it delivers high movement capability, strong adhesion to concrete, masonry, metals and fibre cement, and excellent UV stability for internal and external applications. Paintable, isocyanate-free and solvent-free, MS PRO provides durable, flexible sealing without shrinkage or staining adjacent substrates.

• One-component moisture curing modified polyurethane sealant
• Compliant with ASTM C920 Class 50
• Compliant with ISO11600 F Class 25LM
• Class 3 sealant for waterproofing corner junctions with water based membranes
• Good UV resistance
• Paintable finish
• Primeless bonding to most substrates
• Silicone oil-free and non-staining
• Isocyanate-free formulation
• Solvent-free with no shrinkage

• Construction joints
• Expansion joints
• Waterproofing corner junctions with water based membranes
• General building joint sealing
• Concrete and masonry joints
• Metal and aluminium joint sealing
• Glass and ceramic tile junctions
• Fibre cement and sheet joints
• Butyl rubber chase sealing

• Appearance Black, Grey, White homogeneous paste
• Non-volatile content 99%
• Density 1.63
• Shore A hardness approx 45
• Tensile strength 1.7MPa
• Elongation at break 350%
• Tear resistance ≥6N/mm
• Movement accommodation factor 12.5%
• Tack free time approx 15min
• Curing speed approx 2mm per day
• Service temperature -10°C to +65°C
• Recommended joint width 5mm to 35mm
• Ideal width to depth ratio 2:1
• Minimum sealant depth 5mm
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