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Dow BETAMATE™ 7205 Polyurethane Prepolymer

Category Polymer , Adhesive , Thermoset , Polyurethane, TS
Manufacturer Dow Chemical
Trade Name BETAMATE™
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Dow BETAMATE™ 7205 Polyurethane Prepolymer.pdf
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Material Notes:
BETAMATE™ 7205 is a one component moisture curing polyurethane seam sealant with permanent elasticity and good adhesion to different substrates. It is an excellent seam sealer for body repair. It also shows excellent sealer combining medium strength bonding and sealing properties in a wet one-step operation. It can be abraded and is over-paintable with most of the paint systems.Information provided by Dow
Physical Properties Metric English Comments
Density 1.15 - 1.25 g/cc
0.0415 - 0.0452 lb/in³
Viscosity <= 260000 cP
<= 260000 cP
(Haake RU 20, 115 OSC, PK 2-1, 0; D= 1s<sup>-1</sup>)
Mechanical Properties Metric English Comments
Hardness, Shore A 40 - 50
40 - 50
DIN 53 505
Tensile Strength, Ultimate 2.30 - 2.90 MPa
334 - 421 psi
DIN 54 504
Elongation at Break 450 %
450 %
DIN 54 504
Adhesive Bond Strength 1.50 - 2.10 MPa
218 - 305 psi
Lap Shear Strength (bond thickness: 2mm); EN 1465
Tear Strength 7.00 - 9.00 kN/m
39.9 - 51.4 pli
ASTM D624 Form B
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 80.0 °C
176 °F
continuous (Cured condition)
120 °C
248 °F
short term (Cured condition)
Minimum Service Temperature, Air -40.0 °C
-40.0 °F
continuous (Cured condition)
Shrinkage 5.0 - 6.0 %
5.0 - 6.0 %
DIN 52 451
Processing Properties Metric English Comments
Cure Time 1440 min

@Temperature 23.0 °C
24.0 hour

@Temperature 73.4 °F
50% RH
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