Specifications

widely used to produce sandwich plates, corrugated plates etc, which applies to make cold stores and so on

 Blend polyether polyol for panel

Physical properties

Appearance		Light yellow to brown yellow transparent liquid
OH	(mgKOH/g)	320--400
Dynamic viscosity(25)	mPa.s	250--350
Density(20)	g/ml	1.10--1.16
Storage Temperature		10--25
Storage stability	month	6

 

Recommended ratio

 

QBC-402B		100
MDI		100-105

 

Process and reaction characteristics

 

		Handed mix	For high pressure machine
Material Temperature		20-25	20-25
Mold Temperature		35-45	35-45
CT	s	30-50	20-30
GT	s	120-200	70-150
Free Density	kg/m3	23-26	23-26

 

Foam Properties

 

Density Apparent	GB/T 6343	≥38kg/m3
Obturator rate	GB/T 10799	≥90%
Initial thermal conductivity	GB/T 3399	≤22mW/(m.K)
Compressive strength	GB/T 8813	≥140kPa
Dimensional Stability  24 hours  -20	GB/T 8811	≤1%
24 hours 100		≤1.5%
Flammability	GB/T8624	B2