Packaging & Delivery
| Packaging Details: | packing with steel drum (4drums per pallet if necessary) |
|---|---|
| Delivery Detail: | as soon as possible |
Specifications
DBC-402B blend polyols is widely used to produce sandwich plates, corrugated plates etc, which applies to make cold stores, cabiBlend polyether polyol for panel
Physical properties
| Appearance | Light yellow to brown yellow transparent liquid | |
| OH | (mgKOH/g) | 320--400 |
| Dynamic viscosity(25) | mPa.s | 250--350 |
| Density(20) | g/ml | 1.10--1.16 |
| Storage Temperature | 10--25 | |
| Storage stability | month | 6 |
Recommended ratio
| QBC-402B | 100 | |
| MDI | 100-105 |
Process and reaction characteristics
| Handed mix | For high pressure machine | ||
| Material Temperature | 20-25 | 20-25 | |
| Mold Temperature | 35-45 | 35-45 | |
| CT | s | 30-50 | 20-30 |
| GT | s | 120-200 | 70-150 |
| Free Density | kg/m3 | 23-26 | 23-26 |
Foam Properties
| Density Apparent | GB/T 6343 | ≥38kg/m3 |
| Obturator rate | GB/T 10799 | ≥90% |
| Initial thermal conductivity | GB/T 3399 | ≤22mW/(m.K) |
| Compressive strength | GB/T 8813 | ≥140kPa |
| Dimensional Stability 24 hours -20 | GB/T 8811 | ≤1% |
| 24 hours 100 | ≤1.5% | |
| Flammability | GB/T8624 | B2 |
