CX-304 Joint sealing Sealant for Freezer Seal is made of single component,of which the main material is polyisobutene imported from Japan.Butyl rubber insulating glass,which is non-solvent and non-vulcanized,is the first-step sealant of insulating glass.The ductility and airproof should be kept within the wide range.The sealant surface is non-crackable,non-hardened.It also adhesivestrongly to glass and aluminum alloy.
Performance:1. Appearance: homogeneous black putty.2. Odor: odorless.3. Denseness: forever ductility.4. Density: 1.10g/cm3 or less.5. SuitableTemperature: -40°C+80°C, keep the surface and edges and corners non-cracking,non- drooped.6. Extruding temperature: 130°C or so.7. Viscosity of strength:2.5 × 10-3mPa or more (Hard Aluminum / Hard Aluminum.)8. Water Vapor Penetration Rate:10g / m³ or less.9. Ultraviolet Radiation Resistance: QualifiedUse:Mainly used for first-step sealing of insulating glass and glass curtain wall,fridge and ice tank etc.
Requirements:CX-304 series of hot melt butyl sealant only can be used with special butyl rubber coating equipment .The temperature range is between 110-140 °CSpecifications:1.φ190mm × 7kg × 4 Column / Column
2. Φ180mm × 6kg × 4 Column / Column3.φ160mm × 5kg × 4 Column / Column
4. Φ150mm × 5kg × 4 Column / Column5.φ130mm × 2kg × 9 Column / Column
6. Φ120mm × 2kg × 9 Column / ColumnNote:Can be customized according to customer requirements
PIB Primary Sealant for Insulating Glass