Item Name: FH-3140
Manufacturer: H.B. Fuller
Technologies: Urethane
Color: Part A – Colorless, Part B – Brown
Cure Type: Room temperature
Package Size: Contact to Techniq VN for details.
Shelf Life: 12 months
FH-3140 is a low-viscosity, two-component urethane casting elastomer designed to cure at room temperature into a flexible, tough mold. It is specifically formulated for making flexible molds for thermosetting resins and industrial parts. The material is insensitive to environmental moisture, exhibits excellent hydrolytic stability, and provides improved heat and chemical resistance.
Key Features & Benefits:
Low viscosity for easy mixing and pouring
Long pot life suitable for vacuum applications
Excellent hydrolytic and chemical stability
Insensitive to environmental moisture
Long service life
No TDI or 4,4’-Methylene-bis(2-Chloroaniline)
Type of Product: Urethane Casting Elastomer
Technology / Base: Polyurethane
Components: Two-component
Curing: Room temperature
Appearance/Color: Colorless (Part A) / Brown (Part B)
Consistency: Liquid
Shelf Life: 1 year unopened
Flexible molds for thermosetting resins
Furniture panels, art objects, urethane foams
Water-emulsified polyesters, polyester and epoxy resins
Gaskets, casters, pads, and other industrial parts
| Property | Value | Test Method / Condition |
|---|---|---|
| Density | 8.6 lb/gal | ASTM D0792 |
| Specific Gravity | 1.03 | D792/D1475 |
| Color | Colorless (A), Brown (B) | – |
| Functionality Measure, Isocyanate | 4.93–5.03% | – |
| Odor | Sweet Amine | – |
| Odor Intensity | Faint | – |
| Viscosity (Part A) | 6,200–7,000 cP | TMTS001 |
| Viscosity (Part B) | 40–60 cP | TMTS001 |
| Property | Value | Test Method / Condition |
|---|---|---|
| Viscosity (Mixed) | 1,300–1,800 cP | Brookfield RVF 4/20/75°F |
| Gel Time | 27–35 min | ASTM Gel for Urethane |
| Working Pot Life | ~25 min | 25°C |
| Demolding Time | 12–24 hrs at 77°F / 2 hrs at 175°F | – |
| Complete Cure | 7 days at 77°F | – |
Cured Mechanical Properties
| Property | Value | Test Method |
|---|---|---|
| Hardness | 53–63 Shore A | – |
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