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Carrier Resin/
Overview
ALITA 9962R Orthophthalic Polyester Resin for Translucent Panels
Category：Carrier ResinCode：ALITA 9962R
Overview
ALITA 9962R is an orthophthalic unsaturated polyester resin with low viscosity and high reactivity. Its refractive index is specifically matched to E-glass fibers, allowing maximum light transmission and diffusion in continuously produced FRP panels.
Features
- Optically Matched Refractive Index: Delivers maximum light transmission and uniform light diffusion, avoiding harsh hot spots.
- Rapid Roving Wet-out: Very low viscosity (160-180 mPa·s) guarantees fast fiber wetting on high-speed continuous lines (4-6 m/min).
- Mechanical Integrity: Offers excellent impact strength against hailstones and high wind pressures, along with reliable weather durability.
Specifications
| Appearance | Light yellow transparent liquid |
| Color (Pt-Co) | < 70 |
| Viscosity (25°C) | 160 - 180 mPa·s |
| Acid Value | 16 - 24 mgKOH/g |
| Solid Content | 57 - 64 % |
| Gel Time | 7 - 14 min |
| Thermal Stability (80°C) | ≥ 24 h |
Note: Gel time tested at 25°C with 50g resin, 0.9g cobalt promoter, and 0.9g M-50.
Properties
1. Neat Casting Mechanical Properties (Typical):
| Tensile Strength | 60 MPa |
| Tensile Modulus | 2800 MPa |
| Elongation at Break | 5.0 % |
| Flexural Strength | 100 MPa |
| Flexural Modulus | 3000 MPa |
| Compressive Strength | 180 MPa |
| HDT | 70 °C |
| Barcol Hardness | 35 |
2. Typical FRP Laminate Properties (Fiber-Reinforced):
| Tensile Strength | 330 MPa |
| Tensile Modulus | 16000 MPa |
| Flexural Strength | 380 MPa |
| Flexural Modulus | 18000 MPa |
| Barcol Hardness | 67 |
Storage & Handling
- Line Speed: Does not contain wax, accelerators, or thixotropic agents. The optimal production line speed is generally 4-6 m/min, depending on heating zones and thickness.
- Storage: Store below 25°C in a cool, ventilated area away from fire. Keep sealed. Shelf life is 6 months under standard conditions (3 months if temperature exceeds 30°C).