Specifications

The products is used in continuous panel.
Rigid foam system for panel

 Blend polyether polyol for panel

Physical properties

Appearance		Light yellow to brown yellow transparent liquid
OH	(mgKOH/g)	300--400
Dynamic viscosity(25)	mPa.s	150--300
Density(20)	g/ml	1.10--1.16
Storage Temperature		10--25
Storage stability	month	6

 

Recommended ratio

 

QBC-402A		100
MDI		100-110

 

Process and reaction characteristics

 

		Handed mix	For high pressure machine
Material Temperature		25	25
Mold Temperature		40-45	40-45
CT	s	10--20	6--15
GT	s	35-65	20-40
Free Density	kg/m3	30-35	30-35

 

Foam Properties

 

Density Apparent	GB/T 6343	≥40kg/m3
Obturator rate	GB/T 10799	≥90%
Initial thermal conductivity	GB/T 3399	≤22mW/(m.K)
Compressive strength	GB/T 8813	≥100kPa
Dimensional Stability  24 hours  -20	GB/T 8811	≤1%
24 hours 100		≤1.5%
Flammability	GB/T8624	B2