| Customization: | Available |
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| Molecular Principal Chain: | Naphthenic Polymer |
| Color: | Brown |
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1.General description
System LYR1383 is a two component rigid polyurethane foam system which is consist of polyol blend and isocyanate.Polyol blend is the mixture of polyol,blowing agent,silicone surfactant,water,catalyst and additives.This system is designed for CFC free blown rigid foam insulation of pre-insulated pipe/shell.
2.Product feature:
1.high volume output efficience
2.High temperature resistance
3..Excellent thermal insulation
4.Good mechnical strength
| Product Model Index |
LYR1383 |
| Viscosity (25ºC,mPa.S) | 1500~1650 |
| Hydroxy Value (mgKOH/g) | 410~430 |
| Moisture Content | 3%~3.5% |
| Density (25ºC,g/cm3) | 1.05~1.05 |
| Index Product model |
material way | Material temperature | cream time (S) | gel time (S) | tack-free time (S) | free rise desity (kg/M3) |
| LYR1383 | Manual mixing | 15~30 | / | / | 240~380 | 38~42 |
| Low pressure Machine | 20~30 | / | / | 200~320 | 38~42 | |
| High pressure machine | 20~30 | / | / | 150~270 | 37~41 |
| Formation | LYR1383 |
| Blend polyol | 100 |
| Isocynate | 100/110-150 |
| Testing items | Test method | CJ/T114-2000 | Petroleum Department standard SY/T0415-1996 |
| Apparent core density (kg/m3) | GB/T 6343-2009 | 60-80 | 40-60 |
| Closed-cell rate (%) ≥ |
GB/T 10799-2008 | 88 | 88 |
| Initial Thermal conductivity (W/m.k) ≤ | GB/T 10295-1988 | 0.033 | 0.03 |
| Compressive strength ≥ | GB/T 8813-88 | 300 | 200 |
| Water Absorption ≤ | 10% | 3% |
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