Customization: | Available |
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CAS No.: | 9003-11-6 |
Formula: | C5h10o2 |
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To unlock a world of possibilities with our products, reach out for comprehensive product manuals. Explore the versatility and innovation within our Blend Polyol Series, Flexible Foams Series, CASE, and more.
Introduction
DonSpray 502, a masterfully engineered spray-blend polyol, is crafted to react seamlessly with isocyanate, giving rise to foam that boasts an array of remarkable properties, such as:
Exquisitely fine and uniform cellular structures
Exceptionally low thermal conductivity
Outstanding fire resistance for enhanced safety
Remarkable stability even at low temperatures
Perfectly suited for a myriad of thermal insulation applications, DonSpray 502 excels in spray methods for cold rooms, large vessels, extensive pipelines, and both exterior and interior building walls.
Discover an array of specifications tailored to your needs. Contact us for a detailed catalogue.
Appearance | Pale yellow to brown viscous liquid |
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Hydroxyl Value | 200-300 mgKOH/g |
Dynamic Viscosity (25°C) | 100-200 mpa.s |
Specific Gravity (20°C) | 1.12-1.20 g/ml |
Storage Temperature | 10-25°C |
Storage Stability | 6 months |
Recommended Ratio
Component | Ratio (pbw) |
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Spray 502 | 100 |
Isocyanate | 100-105 |
Reactivity Characteristics
Component temperature is 20°C. Please note that actual values will vary based on pipe diameter and specific processing conditions encountered.
Item | Time (s) |
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Cream Time | 3-5 |
Gel Time | 6-10 |
Foam Performances
Items | Test Method | Index |
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Spray Density | GB 6343 | ≥35kg/m³ |
Closed-cell Rate | GB 10799 | ≥90% |
Initial Thermal Conductivity (15°C) | GB 3399 | ≤24mW/(m·K) |
Compressive Strength | GB/T8813 | ≥150kPa |
Adhesive Strength | GB/T16777 | ≥120kPa |
Elongation at break | GB/T9641 | ≥120kPa |
Dimensional Stability (24h -20°C) | GB/T8811 | ≥10% |
Dimensional Stability (24h 70°C) | GB/T8811 | ≤1% |
Water Absorption | GB 8810 | ≤1.5% |
Oxygen Index | GB 8624 | ≥26 |