PIONEER EXTREME WEATHERPROOFING SILICONE SEALANT
PIONEER EXTREME WEATHERPROOFING SILICONE SEALANT is a one-part, neutral-curing, low modulus silicone sealant with excellent adhesion and long shelf life for perimeter sealing andglazing applications.
Pioneer Extreme Weatherproofing Silicone Sealant cures at room temperature in the presence of atmospheric moisture to give a permanently flexible silicone rubber.
- long shelf life
- Primer less adhesion to most materials
- Non-corrosive to metals
- Suitable for alkaline substrates such as concrete, mortar, fibrous cement
- Almost odour less
- Non-sag
- Ready gunnability at low (+5 °C) and high (+40 °C) temperatures
- Rapid crosslinking: quickly becomes tack-free
- Flexible at low (-40 °C) and high temperatures (+150°C)
- Excellent weather ability
Unvulcanized paste
- Density at 23 °C : 0.976 g/cm³
- Consistency : non-sag
- Extrusion rate at 23 °C : 300 ml/min
- Skin forming time at 23 °C / 50 % r.h. : approx. 35 min
- Curing at 23 °C / 50 % RLF : approx. 2 mm/day
Vulcanized rubber After 4 weeks´storage at 23°C / 50 % r.h
- Tensile strength : 0.7 N/mm2
- Elongation at break : 300 %
- Modulus at 100 % elongation : 0.37 N/mm²
- Hardness Shore A : 23
- Movement capability : 50 %
- Tear strength : 4.5 N/mm
Sealing of connecting and expansion joints in the building industry & Sealing of perimeter joints
Pioneer Extreme Weatherproofing Silicone Sealant is available in 260 ml Cartridge pack (Clear, Black & White)
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