Polyurethane Sealant for Windshield

1. One-component
2. Modest Hardness after curing
3. Excellent water and aging resistant
4. Flexble, durable and extrudability

TECHNICAL DATA SHEET
Testing Items
Performance
Appearance
Black
Density (g/cm³)
1.35±0.05
Sagging propertise(mm)
0
Shore A-hardness(A°)
61±3
Tensile strength( Mpa)
≥4.0
Elongation at break (%)
≥350
Volatile content (%)
≤4
Tensile-share strength(Mpa)
≥1.5
Touch Dry time (min)
10~30
Curing speed (mm/24h)
3~5
Extrudability (g/min)
80
Pollution properties
Non
Application temperature (ºC)
+5~+35
Shelf life(month)
9
All data above ware tested under standardized condition.
All data listed in the chart were for the generalized item in the series; please refer to the related datasheet for special items.
Storage condition has a direct impact to the products’ shelf life, Please refer to the instruction for special items’ storing.

1.
DESCRIPTION:
PU 628 is commercial grade, one-part, non-sag, polyurethane sealant that cures by reaction with atmospheric moisture to form a durable and weathering resistant elastomer, PU 628 is manufactured in accordance with the ISO/TS 16949:2002.

2.
USES:
Suitable for automobile windshield and side glass installing.
Suitable for car body structural bonding and sealing.


4.
PRIMING:
Activators and/or primers is not required.