Sell Polyurethane Sealant For Construction Lejell220

1. TECHNICAL DATA SHEET①:
Testing Items② Performance
Appearance Black/White/ homogeneous paste
Density（g/cm3） 1．35±0.5
Touch Dry time(min) ≤180
Curing speed(mm/d) 3～5
Volatile content(%) ≤4
Shore A hardness(A°) 35±5
Stretch modulus (Mpa) ≥0.4
Elastic recovery rate(%) ≥85
Elongation at break(%) ＞500
Extrudability (ml/min) ≥80
Sagging properties(mm) 0
Pollution properties 0
Application temperature(℃) +5～+35
Shelf life(month) ③ 9







Note:
①All data above ware tested under standardized condition.
②All data listed in the chart were series; please refer to the related datasheet for special items.
③Storage condition has a direct impact to the products' shelf life, Please refer to the instruction for special items' storing.
2. DESCRIPTION:
Lejell 220 is a multifunction gun grade polyurethane based construction sealant, it is of low modulus and cures by reaction with atmospheric moisture to form a soft rubber like material with moderate elasticity and hight adhesion strength.

3. USES:
polyurethane construction sealant for sealing cracks, construction joints, doors, windows, roofing, gutters, sills, basements, vents, skylights, wall penetrations, and precast panels.