| Model: | DBC-402 |
|---|---|
| Brand: | Dongda |
| Origin: | Made In China |
| Category: | Chemicals / High Polymers |
| Label: | polyol for panel , PU system for panel , polyol blended panel |
| Price: |
US $2000
/ ton
|
| Min. Order: | 1 ton |
| Live Chat: | Last Online:25 Sep, 2014 |
DBC-402A
Product Introduction
DBC-402A uses special polyether polyols as the main raw materials, with special additives to constitute blend polyols, the characteristics are as follows,
1、good flowability in the reactivity process, the foam density distributes uniformity, with excellent dimensional stability and cohesiveness.
2、it can meet different requirements of continuous sandwich board product lines
Physical Property
|
Appearance Hydroxyl value mgKOH/g Dynamic viscosity （25℃） mPa.S Density （20℃） g/ml Storage temperature ℃ Storage stability Month |
Light yellow transparent viscous liquid 300-400 150-300 1.10-1.16 10-25 6 |
Recommended Ratio
|
Raw Material |
Pbw |
|
DBC-402A blend polyols Isocyanate |
100 100-110 |
Technology and Reactivity (the exact value varies depending on processing conditions)
|
Items |
Manual mixing |
High temperature machine |
|
Material temperature ℃ Moulding temperature ℃ Rise time s Gel time s Free Density kg/m3 |
25 40-45 10-20 35-65 30-35 |
25 40-45 6-15 20-40 30-35 |
Foam Performances
|
Foam density by moulding Closed cell rate Thermal conductivity（15℃） Compressive Strength (perpendicular to the direction of rising) Dimensional Stability （24h,-20 ℃） （24h,100 ℃） Flame retardant grade |
GB 6343 GB 10799 GB 3399 GB/T 8813 GB/T 8811 GB/T8624 |
≥40kg/m3 ≥90% ≤22mW/(m.K) ≥150kPa ≤1.0% ≤1.5% Level B3 or B2 |
| Payment Terms: | TT/LC |
|---|---|
