RIGID POLYURETHANE BLEND POLYOLS FOAM SYSTEM FOR DISCONTINUOUS PANELS

Appearance                 

Hydroxyl value                   mgKOH/g

Dynamic viscosity  (25°C)      mPa.S

Density    (20°C)              g/ml

Storage temperature                °C

Storage stability                   month

Light yellow transparent viscous liquid

300-360

250-350

1.10-1.16

10-25

6

Raw materials

pbw

DBC-402B blend polyols

Isocyanate

100

100-120

items

Manual mixing

High temperature machine

Raw material temperature     °C

Moulding temperature    °C

Cream time    s

Gel time      s

Free density  kg/m3

20-25

35-45

30-50

120-200

24-26

20-25

35-45

20-30

70-150

23-26

Moulding density

Closed-cell rate

Thermal conductivity(15°C)

Compression strength(perpendicular to the direction of rising)

Dimensional stability   

24h  -20°C

24h  100°C

Flame retardant grade

GB 6343

GB 10799

GB 3399

GB/T 8813

GB/T 8811

GB/T8624

   ≥38kg/m3

≥90%

       ≤22mW/(m.K)

≥140kPa

≤1%

≤1.5%

Level B3 or B2