Donboiler 203 CP/IP base blend polyols

Donboiler 203 CP/IP base blend polyols

INTRODUCTION DonPanel 203 blend polyols is a compound which consists of polyether polyols, surfactants, catalysts and so on in a special ratio. The foam has good thermal insulation property, light in weight, and other advantages. It is widely used in solar water heater.

PHYSICAL PROPERTY

Appearance	Light yellow transparent viscous liquid
Hydroxyl value mgKOH/g	300-400
Dynamic viscosity （ 25℃） mPa.S	300-500
Density （ 20℃） g/ml	1.02-1.07
Storage temperature ℃	10-20
Storage stability month	6

RECOMMENDED RATIO

Raw materials	pbw
blend polyols	100
Isocyanate	115-125

Technology and Reactivity (the exact value varies depending on processing conditions)

items	Manual mixing	High Pressure Machine
Raw material temperature ℃	20-25	20-25
Cream time s	8-15	6-10
Gel time s	70-85	50-65
Tack free time	90-125	70-95
Free density kg/m3	28-30	27-29

FOAM PERFORMANCES

Moulding density	GB 6343	≥38kg/m3
Closed-cell rate	GB 10799	≥90%
Thermal conductivity（ 10℃）	GB 3399	≤0.019W/(m.K)
Compression strength	GB/T 8813	≥140kPa
Dimensional stability 24h -20℃	GB/T 8811	≤1%
24h 100℃		≤1%

The data provided above are typical value, which are tested by our company. For our company's products, the data included in the law do not have any constraints.