Polurethane elastomeric sealants
Choksey Techseal Pu-1 Expansion Joint Polyurethane Based Elastomeric Sealant (600ml)
Minimum Order Quantity: 1000 Piece
|Form Of Paint||Paste|
|Brand||Choksey construction chemicals|
|Is It Fire Resistant||Fire Resistant|
|Is It Waterproof||Waterproof|
|Is It Anti Corrosion||Anti Corrosion|
|Country of Origin||Made in India|
TECHSEAL PU 1 is single component polyurethane based elastomeric sealant which cures under the
effect of atmospheric humidity. It is highy elastic, tear and weather resistant
AREAS OF APPLICATION
Bonding different materials used in the building industry.
Good adhesion without primer on materials like wood, anodized aluminium, polyester, glass,
concrete, stone, ceramic tiles, stoneware.
For difficult materials, including plastics such as PVC, ABS, PMMA, or materials such as raw
aluminum, lacquered metal, perform preliminary tests to determine whether a surface
preparation is necessary.
Density at 20o
C Black : 1.15+ 0.02 Other: 1.16 + 0.02
Sagging (ISO 7390) < 3mm
Application Temperature 5 to 35O
Skin formation time at 23o
C and 50% HR 5 to 10 h
Cure time at 23o
C and 50% HR > 2mm/24h
Shore A hardness (Internal method IT-20 after 868 – 3
Modulus at 100 % (ISO 8339) < 0.4 MPs
Elongation at Break (ISO 8339) > 400%
Moment Accommodation Factor % (MAF) +/- 25%
Temperature Resistance -40 to +80o
Resistance to dilute acids and bases Average
UV Resistance Good
Compatibility with paints On cured sealants
Waterbased : Yes
Solvent Based : Carry out tests beforehand
Specific Data Weatherability: Good
Tear resistance (ISO 34) : Env. 6.5 N/mm
INSTRUCTIONS FOR USE
The substrates must be clean, even, dry, free of dust, oil, grease and any contaminants that
could harm bonding.
Check the compatibility of the solvent used with the substrates.
When using solvents, extinguish all sources of ignition and carefully follow the safety and
handling instructions given by the manufacturer or supplier.
Apply a primer if necessary.
If necessary, rub down metal surfaces beforehand. Clean them again after rubbing down.
Allow the substrate to dry after degreasing.
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