VI-R02 High Density PU Blend Polyols for Spray Foam - 310-380 mgKOH/g Hydroxyl Value, 100-200 mPa.s Viscosity
VI-R02 High Density PU Blend Polyols produce spray foam with excellent thermal insulation properties (≤0.024 W/m.K conductivity) and high compressive strength (≥3000 MPa). Ideal for building roofs, cold storage, and pipeline insulation with superior flame resistance and dimensional stability. Available in 220kg steel drums or IBC tanks.
Molecular Weight
Varies, typically 400-3000 g/mol
Place of Origin
China
Packaging Details
220KG/DRUM.IBC
Hydroxyl Number
Typically 200-600 mg KOH/g
Specification
200kg/Drum
Model No
44V20L/PM200/M200/5005
Product Description
VI-R02 High Density PU Blend Polyols for Spray Foam
VI-R02 Blend Polyols is a pale yellow to brown yellow transparent liquid designed for spray foam applications. When reacted with isocyanate at specific ratios, it produces high-performance polyurethane foam ideal for thermal insulation projects.
Primary Applications
- Building roof insulation systems
- Cold storage facility insulation
- Large-scale pipeline insulation
- Irregular-shaped thermal insulation projects
Key Performance Advantages
- Smooth and uniform cell structure
- Low thermal conductivity for superior insulation
- Excellent flame resistance properties
- Outstanding low temperature dimensional stability
Physical Properties
| Parameter | Specification |
|---|---|
| Appearance | Pale Yellow to Brown Viscous Liquid |
| Hydroxyl Value | 310-380 mgKOH/g |
| Dynamic Viscosity at 25℃ | 100-200 mPa.s |
| Gravity at 20℃ | 1.12-1.20 g/ml |
| Storage Temperature | 10-25℃ |
| Shelf Life | 6 Months at 20-30℃ |
Processing Conditions
| Parameter | Specification |
|---|---|
| Mixing Ratio (PBW) | VI-R02: MDI = 100: 100-105 |
| Components Temperature | 20℃ |
| RT | 3-5 seconds |
| GT | 6-10 seconds |
Actual data may vary depending on testing equipment and conditions.
Foam Properties
| Property | Specification |
|---|---|
| Initial Thermal Conductivity at 15℃ | ≤0.024 W/m.K |
| Spray Density | ≥50 kg/m³ |
| Free Rise Density | ≥10% |
| Adhesive Strength | ≥35 kg/m³ |
| Closed-cell Rate | ≤1% |
| Compressive Strength | ≥3000 MPa |
| Elongation at Break | ≥10% |
| Dimensional Stability (-20℃, 24h) | ≤1% |
| Dimensional Stability (70℃, 24h) | ≤1.5% |
| Oxygen Index | ≥26 |
| Water Absorption | ≤3% |
Packaging
Available in 220kg net steel drums or IBC tanks.
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