DuPont

BETASEAL® 1849-3

BETASEAL® 1849-3 is a one-component, moisture-curing adhesive with excellent sag and bead stability based on polyurethane chemistry. The adhesive cures with environmental moisture and skin formation. The curing is dependent on humidity, temperature and application dimensions._x005F _x005F BETASEAL® 1849-3 is a warm processable, high viscosity, high modulus, low conductive glass bonding adhesive that can be used primerless on paint._x005F _x005F BETASEAL® 1849-3 delivers a high initial handling strength to hold the position of the bonded parts.

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Documents

Technical data sheet (TDS)
Other
See all documents (2)

Properties

Features And Benefits
Features
High Viscosity
High Modulus
Good Bead Stability
Low Conductivity
Warm Processable
High Initial Handling Strength
Good Sag Stability
Product Characteristics
Color
Black
Shelf Life
6 months
Compatible Substrates
Glass
Adhesive Technology
1K System
Moisture Cure
Adhesive Chemistry
Polyurethane
Mechanical Properties
Value
Unit
Test Method
Shear Modulus
2.5 - 3.5
MPa
ISO 6721
Lap Shear Strength (7 days)
≥5
MPa
ISO SS-EN 1465
Hardness - Shore A
65 - 82
-
ISO 7619-1
Physical Properties
Value
Unit
Test Method
Viscosity - Ballan (55°C, 4mm GM / 4bar)
50 - 100
g/min
Thermal Properties
Value
Unit
Test Method
Temperature Stability
-40 - 100
°C
Mechanical Properties Elastomers
Value
Unit
Test Method
Strain at Break
150.0
%
ISO 527-1/-2
Stress at Break
7.0
MPa
ISO 527-1/-2
Electrical Properties
Value
Unit
Test Method
Volume Resistivity
100000000.0
ohm.m
ASTM D 257
Other Properties
Value
Unit
Test Method
Density
1270 - 1370
kg/m³
ISO 1183
Adhesive Processing Information
Value
Unit
Test Method
Skinning Time
8 - 20
min
Cure Rate
3.0
mm/day
Sagging
30.0
°
Processing Temperature
50 - 65
°C

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200 Powder Mill Rd
Wilmington, DE 19803, United States