McCoy Silicones Limited, an ISO 9001:2000 Certified Company is engaged in offering Neutral Silicon Based 1-Part Weather Seal Sikasil WS-605 S. The Neutral Silicon Based 1-Part Weather Seal is a 1-part, moisture curing, elastic joint sealant based on silicone. This Neutral Silicon Based 1-Part Weather Seal is a high-performance silicone sealant designed for sealing, bonding and mending tasks in glazing applications. It is mostly suitable for structural glazing and curtain walling. The Neutral Silicon Based 1-Part Weather Seal is also suitable for used on alkaline substrates such as concrete and mortar.
The features of the Neutral Silicon Based 1-Part Weather Seal are as follows:
Not corrosive to metals
External quality control
Wide range of colors
Ready gunnability at low [+5°C] and high [+40°C] temperatures
Rapid curing: quickly becomes tack free
Low shrinkage on curing: quickly becomes tack free
After cure: elastic at low [-40°C] and high [+150°C] temperatures
Bonds to many materials without primer
Long shelf-life: simplified stock-keeping
Neutral curing system
Ready to use
Solvent less
Non-sag
Outstanding UV and weathering resistance and movement capability
Compatible with natural stone such as marble, granite and quartzite
Non-staining and non-bleeding: no staining of the joint area by plasticizer
Compatible with water-based and solvent-based paints: no migration of plasticizer
The Neutral Silicon Based 1-Part Weather Seal is available in following packaging:
300 ml cartridges, 25 cartridges per box
310 ml cartridges, 25 cartridges per box
600 ml sausages, 20 sausages per box
The Neutral Silicon Based 1-Part Weather Seal has the following technical specifications
Chemical Base
1-part silicone, moisture curing
Density
1.03 kg/l [transparent, aluminum] [ISO 1183-B]
1.49 kg/l [all other colors]
Skinning Time
25 minutes
Tack-free Time
120 minutes
Curing Rate
4 mm / 24 h [+23°C / 50% r.H.]
Movement Capability
± 25% [ISO 11600]
± 50% [ASTM C920]
Joint Dimensions
6 mm min. Width / 40 mm max. Width
Sag Flow
Non-sag [ISO 7390, Profile U20]
Service Temperature
-40°C to +150° C [after vulcanisation]
The mechanical properties of the Neutral Silicon Based 1-Part Weather Seal are:
Elongation at Break
850 % after 4 weeks [+23°C / 50% r.H.] [ISO 37, Rod S2]
480% after 4 weeks [+23°C / 50% r.H.] [ISO 8339-A]
Shore A Hardness
20 after 4 weeks [+23°C / 50% r.H.] [ISO 868]
E-Modulus
0.30 N/mm2 at 100% elongation after 4 weeks [+23°C / 50% r.H.] [ISO 37, rod S2]
0.27 N/mm2 at 100% elongation after 4 weeks [+23°C / 50% r.H.] [ISO 8339-A]
Tear Strength
4.0 N/mm after 4 weeks [+23°C / 50% r.H.] [ISO 34-C]
Tensile Strength
0.90 N/mm2 after 4 weeks [+23°C / 50% r.H.][ISO 37, rod S2]
0.45 N/mm2 after 4 weeks [+23°C / 50% r.H.] [ISO 8339-A]
