Chemical Resistant Gel Coat Paint Vinyl Ester Gel Coat Surface Protection For Composites FRP
Price:
$2.25-$3.52（KG）
MOQ:
500KGS
Delivery Time:
3-7 work days
Brand:
WGSC
Product Description
Gelcoats: Ultimate Surface Protection For Composites And FRP Applications
Product Attributes
| Attribute | Value |
|---|---|
| Application Method | Brush or Roller |
| UV Resistance | Good |
| Water Resistance | High |
| Adhesion | Strong |
| Chemical Resistance | Excellent |
| Hardness | High |
Product Description
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.
Core Technology Advantages
- Zero Substrate Exposure: Seamlessly blocks fiber print-through and micro-cracks
- Multi-Process Compatibility: Optimized for spray-up, hand lay-up & vacuum infusion
- Eco-Compliance: Low styrene emission (<50ppm), REACH & RoHS certified
- -Grade Protection: Salt spray resistance >5,000h (ASTM B117)
Four Gel Coat Types: Targeted Application Matrix
| 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 |
Selection Protocol
- Marine Environments: Mandatory ISO-NPG type (DNV-GL/CCS certified)
- Strong Chemical Exposure: Vinyl ester only (resists hydrofluoric acid)
Complete Technical Specifications (ASTM D638/ISO 1133)
| 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 |
Validation Notes
- Vinyl ester elongation at break >3% (vs. 1.5% for polyester resins)
- ISO-NPG retains >92% flexural strength after 5,000h UV accelerated aging
Industrial-Grade Packaging System
| 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 |
Traceability & Safety
- Laser-Engraved Batch Code: Includes viscosity/gel time/solid content test values
- Hazard Label: UN 3266 Class 8 Corrosive Liquid (GHS pictograms)
Smart Storage Protocol
| 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 |
Critical Prohibitions
- NEVER store with amine hardeners - Causes pre-promoted gel coat failure
- BAN silicone-based release agents - Induces fish eyes on surface
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Qingdao Wanguo Sanchuan Fiber Technology Co., Ltd
Location
West of Xiaoma Village, Binhai Street Office, Huangdao District, Qingdao City, Shandong Province; north of National Highway 204, China
Contact Person
Liu