McCoy Silicones Limited, an ISO 9001:2000 Certified Company offers High Performance 1-Part Silicone Sealants and Adhesives, Sikasil SG-18. The High Performance 1-Part Silicone Sealants and Adhesives are neutral, 1-part, moisture, elastic joint sealant based on silicone. These are provided with high mechanical strength. The High Performance 1-Part Silicone Sealants and Adhesives are mainly designed for sealing, bonding and mending in construction applications. These are universally applicable for the structural bonding of fa?ade elements. This High Performance 1-Part Silicone Sealants and Adhesives are mostly appropriate for bonding glass and metal in structural glazing. The High Performance 1-Part Silicone Sealants and Adhesives can be readily processed with commercial cartridge or sausage bag guns, or applied by machine from a drum or bucket. The features of the High Performance 1-Part Silicone Sealants and Adhesives are as follows:

Solvent less

Non-sag

Neutral curing system

Ready to use

Rapid curing: quickly becomes tack-free

Low shrinkage on curing

Excellent resistance to weather and UV

Not corrosive to metals

High mechanical strength

Free of abrasive fillers

Excellent adhesion without primer to a variety of substrates, such as glass, coated glass, anodized aluminum, stainless steel, concrete, enamel, many plastics and many powder paints

Excellent resistance to water and the effects of moisture

After cure: elastic at low [-40?C] and high [+150?C] temperatures

Ready gunnability at low [+5?C] and high [+40?C] temperatures

Packaging ranges of the High Performance 1-Part Silicone Sealants and Adhesives are:

300 ml cartridges, 25 cartridges per box

20 litre pails: 25 kg, 16.9 litres

600 ml sausages, 20 sausages per box

310 ml cartridges, 25 cartridges per box

200 litre drums: 250 kg, 169 litres

The technical specifications of the High Performance 1-Part Silicone Sealants and Adhesives are:

Skinning Time: 30 minutes [+23?C / 50% r.h.]

Tack-free Time: 90 minutes

Chemical Base: 1-part silicone, moisture curing Density: 1.48 kg/l [ISO 1183-B]

Extrusion Rate: 200 g/ min [3 mm metal nozzle at 6.3 bar]

Movement Capability ? 12.5% [ISO 9047] 25% [ASTM C920]

Joint Dimensions:

6 mm min. bite / 15 mm max. bite 6 mm min. width / 12 mm max. width

Sag Flow: Non-sag [ISO 7390, Profile U20]

Service Temperature: -40?C to +150?C [after vulcanisation]

Curing Rate:

3.9 mm / 24 h [+23?C / 50% r.h.] 6.2 mm / 72 h [+23?C / 50% r.h.] The mechanical properties of the High Performance 1-Part Silicone Sealants and Adhesives are:

E-Modulus

After 4 weeks [+23?C / 50% r.h.] 1.21 N/mm2 at 100% elongation [ISO 37, rod S2] 0.81 N/mm2 at 50% elongation [ISO 8339-A] 0.48 N/mm2 at 25% elongation [ISO 8339-A]

Tensile Strength

After 4 weeks [+23?C / 50% r.h.] 1.85 N/mm2 [ISO 37, rod S2] 1.06 N/mm2 [ISO 8339-A]

Elongation at Break

After 4 weeks [+23?C / 50% r.h.] 320% [ISO 37, rod S2] 80% [ISO 8339-A]

Tear Strength 6.0 N/mm2 after 4 weeks [+23?C / 50% r.h.] [ISO 34-C]

Shore Hardness 44 after 4 weeks [+23?C / 50% r.h.] [ISO 868]