KD 240

Polyurethane sealant and adhesive for industrial and construction applications

SICON KD 240 is one component, permanently elastic, polyurethane sealant and adhesive for industrial and construction applications.

Product data sheet KD 240

Use

Properties of Sicon KD 240

Technical data
Type Permanently elastic
Base Polyurethane
Consistency Thixotropic
Specific gravity 1,15-1,19 g/ml ( depending on the color)
Dripping according to ISO 7390: not present
Curing time ̴3 mm daily (at 23oC and 50% of relative humidity)
Dust dryness ̴15 min (at 23oC and 50% of relative humidity)
Permissible deformation ± 20%
Module 100 % according to ISO 37-NF T 46002 0,57 MPa
according to DIN 53504 0,51 MPa
according to ISO 8339 0,4 MPa
Shore A (3s) hardness according to 868 40o
Elongation at break according to ISO 37-NF T 46002 970%
according to DIN 53504 990%
Bending strength according to ISO 37-NF T 46002 1,69 MPa
according to DIN 53504 1,6 MPa
Reaction to fire according to EN 13501-1 +A1:2010 class: E
Thermal resistance after hardening from 30oC to +80oC
Paintability Yes

Product Data SICON KD 240
Colour grey, other colors on request
Packaging 600 ml, aluminum foil packs
Shelf life Shelf life of the product is 12 months from date of manufacture, assuming storage in undamaged original packaging.
Storage conditions Closed pack stored at +5oC to +25oC. Resistant to transportation conditions at up to -15°C.

Joint dimensions
Minimum width 4 mm
Maximum width 20 mm
Recommended proportions Joint width [mm] 4-8 10-12 14-16 17-18 19-20
Joint depth [mm] 6 7 8 9 10
Use expansion joint cords, to achieve proper depth and to prevent three-point contact of the sealant