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SMC/BMC Resin/
Overview
ALITA 1506G Orthophthalic/NPG Type Unsaturated Polyester Resin (High Performance SMC/BMC)
Category：SMC/BMC ResinCode：ALITA 1506G
Applications
ALITA 1506G is an unsaturated polyester resin based on orthophthalic acid and Neopentyl Glycol (NPG). It features high viscosity and high reactivity, specifically designed for molded products requiring high-quality surface finishes and high heat resistance.
- Surface Finish: Excellent flow properties ensure smooth and glossy surfaces.
- Physical Advantages: Features superior water resistance, outstanding heat resistance (HDT up to 120℃), high mechanical strength, and good electrical properties.
- Application Fields: Widely used in SMC/BMC processes for manufacturing components in following areas:
- Electrical Industry: Electrical components, insulators.
- Automotive & Transportation: Vehicle parts and components.
- Home & Sanitary: Bath and kitchen accessories.
- Industrial Manufacturing: Various industrial structural parts.
Specifications
| Inspection Items | Indicator Range | Unit | Test Method |
|---|---|---|---|
| Appearance | Light yellow transparent liquid | -- | -- |
| Acid Value | 17 - 25 | mgKOH/g | GB/T 2895-2008 |
| Viscosity (25℃) | 1.2 - 2.2 | Pa·s | GB/T 7193-2008 |
| Solid Content | 64 - 70 | % | GB/T 7193-2008 |
| Thermal Stability (80℃) | ≥ 24 | h | GB/T 7193-2008 |
| SPI-GT (80℃) | 5 - 10 | min | GB/T 7193-2008 |
Note: For SPI curing performance testing, use 2% Enox BPO-50F curing agent.
Properties
| Inspection Items | Typical Value | Unit | Test Method |
|---|---|---|---|
| Barcol Hardness | 40 | -- | GB/T 3854-2005 |
| HDT | 120 | ℃ | GB/T 1634-2004 |
| Elongation at Break | 2.5 | % | GB/T 2567-2008 |
| Tensile Strength | 60 | MPa | GB/T 2567-2008 |
| Tensile Modulus | 3300 | MPa | GB/T 2567-2008 |
| Flexural Strength | 100 | MPa | GB/T 2567-2008 |
| Flexural Modulus | 3500 | MPa | GB/T 2567-2008 |
Experimental Notes:
1. Casting method follows GB/T 8237-2005.
2. Curing system: 0.6% Cobalt Naphthenate accelerator + Butanox M-50 curing agent 1.0%.
3. Post-curing scheme: RT 24h + 60℃ 3h + 120℃ 1h.
Usage Instructions
1. Composition: ALITA 1506G resin does not contain wax, accelerator, or thixotropic agent.
2. Stability Control: To ensure the storage stability of SMC/BMC materials, stabilizers must be added during the production process.
Storage & Handling
- Safety: Resin contains harmful ingredients; wear necessary personal protective equipment. Avoid skin and eye contact.
- Environment: Strongly recommended to store in a cool, dry place below 25℃.
- Isolation: Keep away from direct sunlight, fire sources, or steam pipes. Outdoor storage is strictly prohibited to prevent moisture ingress and styrene monomer loss.
- Management: Keep containers sealed and follow the "FIFO" principle for inventory management.
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