Rigid polyurethane blend polyols foam system for Packaging
Negotiable /Ton
Min.Order:10 Tons
Shanghai Dongda Polyurethane Co., Ltd.
1.Introduction
Rigid polyurethane blend polyols foam system for Packaging is a mixture of high activity, high molecular weight polyether poyol and different kinds of catalyst,blowing agent and other materials.
React with Isocyanate to produce the foam which can absorb shock when impacted, it has excellent performances of shockproof and shock absorption.
It applies to precision instrument, apparatus, medical instrument, optical instrument, crafts, fragile goods, glasswares and other goods foaming in site.
2.Physical Properties
Items | DBZ-502 | |
Appearance | Light yellow transparent liquid | |
Viscosity(25°C) mPa·s | 400-600 | |
Specific gravity(20°C) g/cm3 | 1.05±0.02 | |
Storage temperature °C | 10-25 | |
Storage life month | 6 | |
Recommended Ratio | ||
pbw | ||
DBZ-502(POL) Isocyanate(ISO) | 100 100 |
3.Reactivity Characteristics component temperature 20±2°C)
actual value varies depending on process conditions
Cream time s | 10-15 |
Gel time s | 50-70 |
Tack free time s | 70-90 |
Free density kg/m3 | 8-10 |
4.Foam Performances
Recovery rate compressive by 50% % | ≥90 |
Compressive strength MPa | ≥0.05 |
The values above are typical which are measured by our company. To our products, the data included in the legal field has no constraints.