Item Name: FH3530
Manufacturer: H.B. Fuller
Technologies: Polyurethane
Color: Amber
Cure Type: Room temperature (secondary thermal cure)
Package Size: Contact to Techniq VN for details.
Shelf Life: 12 months
FH3530 is a two-component, liquid, castable polyurethane elastomer that cures at room temperature to a medium-hardness, dark amber elastomer. It contains no MDA, TDI, or MOCA, has very low shrinkage, and provides excellent weather and saltwater resistance. Its low mixed viscosity allows for easy potting and structural adhesive applications.
Key Features & Benefits:
Fast curing and self-leveling
Low shrinkage
Fungus resistant
Non-corrosive to metals
Insensitive to environmental moisture
Low viscosity for easy handling
Excellent saltwater and weather resistance
Does not stress crack PC or PE
Type of Product: Structural Adhesive
Technology / Base: Polyurethane
Components: Two-component
Curing: Room temperature (secondary thermal cure)
Appearance/Color: Amber
Consistency: Liquid
Shelf Life: 12 months unopened
Potting of sonobuoys and electronics
Structural adhesive and sealant applications
Applications requiring low shrinkage and excellent weather resistance
| Property | Value | Test Method / Condition |
|---|---|---|
| Viscosity (Part A) | 5,500 cPs | 25°C |
| Viscosity (Part B) | 50 cPs | 25°C |
| Specific Gravity | 1.03 | – |
| Property | Value | Test Method / Condition |
|---|---|---|
| Viscosity (Mixed) | 3,500 cPs | 25°C |
| Gel Time | 21 min | 23°C |
| Handling Time | 4–6 hours | 23°C |
| Pot Life | 15 min | 23°C |
Cured Mechanical Properties
| Property | Value | Test Method |
|---|---|---|
| Hardness | 80 Shore A | ASTM D2240 |
| Tensile Strength | 14.0 MPa (2,030 psi) | ASTM D638, 25°C, 50% RH |
| Elongation at Break | 560% | ASTM D638, 25°C, 50% RH |
| Overlap Shear Strength (Aluminum, Acid Etched) | – | – |
Curing Conditions
| Property | Value |
|---|---|
| Full Cure | 3–5 days at 23°C / 2 hours at 70°C |
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Techniq Vietnam provides end-to-end materials and process solutions, integrating world-class technologies in adhesives, soldering, and thermal management.
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