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Ultra® and SuperShield® gelcoats for boats, recreational vehicles, truck bodies, sanitaryware, swimming pools and other polyester and epoxy composite parts and castings produce colorful and/or clear finishes that resist moisture, chemicals, impact and UV light. Low-VOC gelcoats, based on an advanced molecule recently developed and patented by Ferro, offer properties never before available: up to 60 percent less shrinkage; significantly less overspray at equivalent viscosities; and 50 percent reductions in styrene emissions compared with gelcoats based on conventional polyester vehicles. Gelcoats utilizing both traditional and low-VOC vehicles are available in high-performance grades offering 100 to 217 percent greater gloss and color retention than gelcoats containing conventional pigments and additives. High-performance clear gelcoat is also offered, as are specialized gelcoats for sanding and tooling applications.
Using special processing methods, Ferro combines high-quality pigments, additives and reinforcements with unsaturated polyester and proprietary low-VOC polyester resin vehicles to create a line of gelcoats with outstanding properties. On the surface, these products provide an effective barrier to chemicals, abrasion, impact and sunlight. Equally important, however, is that the mechanical properties of these gelcoats are virtually identical to resin/fiberglass substrates, resulting in composites with the integrity of a monolithic structure.
Ferro gelcoats are available in a range of viscosities, and are engineered for easy application. Because their rheological behavior is thixotropic, viscosity varies in accordance with the rate of application; when applied at high speed, the gelcoats flow and blend readily, but return to a highly viscous state once they are allowed to remain still. As a result, the material does not sag-even on vertical surfaces-when applied at recommended thicknesses.
TYPICAL UNCURED PROPERTIES
(based on 1.5 percent MEKP)
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ULTRA NPG |
ULTRA PLUS NPG/ISO |
ULTRA SHIELD NPG |
ULTRA 1-SP SANDABLE |
ULTRA TOOLING |
ULTRA CLEAR |
ULTRA LOW-VOC GELCOAT |
SUPERSHIELD LOW-VOC GELCOAT |
| Gel times (minutes)* |
10-14 |
8-12 |
12-16 |
8-12 |
12-16 |
7-9 |
8-14 |
9-16 |
| Gel to peak (minutes) |
15-20 |
12-18 |
14-22 |
10-18 |
14-22 |
12-18 |
5-12 |
8-14 |
| Viscosity @77 F |
2300- |
2300- |
2300- |
2300- |
2000- |
1900- |
1900- |
1900- |
| (LVF #4 @60 rpm-cps) |
2900 |
2900 |
2900 |
2900 |
2600 |
2100 |
3100 |
3100 |
| Thix index (6/60) |
5.0-7.0 |
4.5-6.5 |
4.5-6.5 |
5.0-7.0 |
5.0-7.0 |
5.0-7.0 |
4.0-6.0 |
4.0-6.0 |
| Weight/gal. (lbs.) |
9.0-11.5 |
9.0-11.5 |
9.0-11.5 |
9.0-11.5 |
9.5-10.0 |
9.0-9.5 |
9.0-11.0 |
10.5-11.5 |
| Stability @150 F (days minimum) |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
| Hegman grind (minimum) |
4 |
4 |
4 |
4 |
4 |
5 |
4 |
4 |
| Film cure @77 F (minutes) |
40-60 |
40-60 |
60-80 |
40-60 |
40-60 |
50-70 |
60-180 |
60-180 |
| Coverage @20 mils, wet, sq.ft./gal.** |
80 |
80 |
80 |
80 |
80 |
80 |
90 |
90 |
| Hide @ 15 mils, wet |
Complete |
Complete |
Complete |
Complete |
Complete |
N/A |
Complete |
Complete |
| Patchability (Ferro patch booster recommended) |
Good |
Good |
Good |
N/A |
Good |
N/A |
Good |
Excellent |
| Sag resistance (mils) |
25-30 |
25-30 |
25-30 |
25-30 |
25-30 |
20-25 |
25-30 |
25-30 |
*Gel time to your specifications within parameters required to maintain product integrity.
**Actual transfer efficiency is affected by overspray, shrinkage and heat transfer.
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SuperShield low-VOC premium gelcoat
SuperShield low-VOC gelcoat utilizes the same patented polyester resin vehicle as UltraLowVOC gelcoat, offering unparalleled improvements in molding operations.
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Ultra 1-NPG gelcoat
Ultra 1-NPG gelcoat is suited for a broad range of high-quality, open-mold, lay-up applications including boats/yachts, swimming pools, sanitaryware, sinks, recreational vehicles, commercial/mass transit vehicles and industrial components.
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Ultra Plus-NPG/ISO gelcoat
Ultra Plus-NPG/ISO gelcoat is suited for a broad range of high-quality, open-mold, lay-up applications including boats/yachts, swimming pools, sanitaryware, sinks, recreational vehicles, commercial/mass transit vehicles and industrial components.
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Ultra polyester-to-epoxy tiecoat
Ultra polyester-to-epoxy tiecoat adheres polyester gelcoats to epoxy laminates.
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UltraClear gelcoat
UltraClear GV-42080 gelcoat is a high-performance, premium quality neopentyl glycol (NPG)-based clear gelcoat for both airless and air atomized spray applications.
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UltraLowVOC gelcoat
UltraLowVOC gelcoat incorporates quality ingredients into a proprietary polyester resin vehicle based on a revolutionary molecule developed by Ferro, dramatically improving in-plant molding operations.
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UltraPatch patch booster
UltraPatch patch booster is an additive that significantly improves the application, appearance and longevity of gelcoat patches.
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UltraSandable gelcoat
UltraSandable 1-SP sandable gelcoat for resin transfer molding (RTM) applications is an ideal surface for all secondary finishing operations.
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UltraShield high-performance gelcoat
UltraShield high-performance gelcoat utilizes the same dispersion vehicle as Ultra Plus-NPG/ISO gelcoat, but with higher-performance pigments and additives, improving gloss and color retention.
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UltraTooling gelcoat
Specially formulated for moldmaking, UltraTooling gelcoat exhibits outstanding gloss and hardness; extreme resistance to solvents, abrasion and crazing; and minimum distortion.
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