| Attribute | Value |
|---|---|
| Application Method | Brush or Roller |
| UV Resistance | Good |
| Water Resistance | High |
| Adhesion | Strong |
| Chemical Resistance | Excellent |
| Hardness | High |
Gel Coat Resins form a 0.4-0.8mm high-performance protective layer on composite surfaces, delivering decorative aesthetics and structural durability for FRP products. Engineered for superior UV resistance, chemical corrosion protection, and >95% gloss retention (ISO 2813), our gel coats enable flawless finishes in marine, construction, and industrial sectors.
| Type | Chemical Base | Key Advantages | Primary Applications |
|---|---|---|---|
| Orthophthalic Gel Coat | Phthalic Anhydride + Propylene Glycol | Cost-effective, easy application | Storage tanks, decorative panels |
| Isophthalic Gel Coat (ISO Type) | Isophthalic Acid + Propylene Glycol | Hydrolysis resistance ↑40%, HDT >100°C | Ship decks, swimming pools, chemical linings |
| ISO-NPG Gel Coat | Isophthalic Acid + Neopentyl Glycol | UV stability (ΔE<2 after 30y), gloss retention >90% | Yachts, luxury sanitaryware, wind turbine blades |
| Vinyl Ester Gel Coat | Epoxy Acrylate | Acid/alkali resistance (pH 1-14), HDT >130°C | Electroplating tanks, FGD scrubbers, nuclear facilities |
| Property | Orthophthalic | Isophthalic | ISO-NPG | Vinyl Ester |
|---|---|---|---|---|
| Viscosity (25 °C, mPa*s) | 2,500±300 | 1,900-2,900 | 2,200±200 | 1,800-2,500 |
| Gel Time (25 °C, min) | 13.0±3.0 | 10.0-18.0 | 15.0±2.0 | 20.0-30.0 |
| Solid Content (%) | 75.0±3.0 | 78.0±2.0 | 80.0±1.5 | 82.0±1.0 |
| Barcol Hardness | ≥35 | ≥45 | ≥50 | ≥60 |
| Water Resistance (boiling 24h) | Slight gloss loss | No change | No change | No change |
| Acid Resistance (10% H₂SO₄) | Blistering at 72h | No failure at 240h | No failure at 480h | No failure at 2,000h |
| Package Type | Technical Specification | Specialized Use Cases |
|---|---|---|
| Standard Drum | 20kg galvanized steel + vacuum aluminum liner | General-purpose shipping |
| Pre-Promoted Kit | Pre-mixed catalyst, ready-to-use | On-site repair & field operations |
| Arctic Packaging | Anti-crystallization agent (-30°C stability) | Polar region projects |
| Explosion-Proof Tote | Pressure relief valve + flame-retardant filling | Chemical plant transport |
| Parameter | Control Standard | IoT Monitoring | Critical Response |
|---|---|---|---|
| Temperature | 16-30°C | Wireless sensors (±0.5°C) | >35°C triggers liquid cooling |
| Humidity | ≤80% RH | MEMS hygrometer array (±1% RH) | >85% RH activates dehumidifier |
| Vertical Stacking | Dedicated racks | Tilt sensors (>5° alarm) | Auto-lock unstable pallets |
| Shelf Life | 6 months (unopened) | ERP auto-lock expired batches | Retest viscosity/gel time |
