DESCRIPTION
one part neutral curing structure silicone sealant CWS-886 is a one-component, neutral curing silicone sealant, specially designed for building Structural curtain wall applications with excellent weatherability and adhesion to most building materials
CHARACTERISTICS
1.weight loss rate less than 2%
2.structural sealing and glazing
3. One part, neutral cure to form an extremely tough elastomeric rubber ensuring a durable, flexible, and watertight bond
4. Non-corrosive
5.Excellent weatherability and high resistance to ultra-violet radiation, heat and humidity, and ozone
6.Excellent resistance to temperature extremes, unaffected performance from –50 °C to +150 °C
Introduction
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Item
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one part neutral curing structure silicone sealant CWS-886
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Specification
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590ml /sausage ,20pcs/ carton
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Product color
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black ,white ,grey, clear or other colors on request
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shelf life
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9 months
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Application
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1.Structural sealing and glazing for curtain wall
2. Secondary seal and joint structural insulating glass
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OEM Services
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ok
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Technology Data
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TEST ITEM
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Standard
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Measured Value
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Slumpability
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Vertical,mm
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≤3
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0
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Horizontal
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No distortion
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No distortion
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Extrudability,ml/min
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≥80
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320
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Skin Time(h)
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≤3
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20-30min
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Hardness(HsA)
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20-60
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42
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Elastic recovery %
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≥40
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100
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Elongation at Break(%)
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≥100
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330
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Tensile properties
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23°C,MPA
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≥0.6
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1.2
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90°C, MPA
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≥0.45
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0.95
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-30°C,MPA
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≥0.45
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1.3
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Flooded, MPA
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≥0.45
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1.0
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Flooded-uv, MPA
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≥0.45
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1.1
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adhesion failure
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≤5
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0
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Heat ageing
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Weight loss rate,%
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≤10
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2
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Cracking
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no
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no
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Pulverization
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no
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no
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should not be applied
1. To all materials that bleed oils, plasticizers or solvents, and green or partially sulfured gaskets or tapes, etc.
2. In totally confined space (Silicone sealant need the water in the air to cure)
3. For continuous immersion in water or below-grade applications all the year.
4. To painted surfaces, may cause seal failure as the paint cracking or paint stripping
5.To frost or wet surfaces, the surface temperature of the materials is below 4℃ or higher than 40℃
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one part neutral curing structure silicone sealant Images
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