Donfoam 901 water base benld polyols for pouring

Donfoam 901 water base benld polyols for pouring

INTRODUTION This product is a type of blend polyols with 100% water as blowing agent, which is specially researched for rigid PUF. The characteristics are as follows: (1) good flowability, Suitable for one-time pouring. (2) excellent foam mechanical properties (3) excellent high/low temperature dimensional stability

PHYSICAL PROPERTY

Appearance	Light yellow to brown yellow transparent liquid
Hydroxyl value  mgKOH/g	300-400
Viscosity       25℃ , mPa·s	1800-2400
Density        20℃ , g/cm3	1.00-1.10
Storage temperature	10-25
Storage stability               Month	6

TECHNOLOGY AND REACTIVITY CHARACTERISTICS Component temperature is 20℃, the actual value is varied according to pipe diameter and processing condition.

	Manual mixing	High pressure machine
Ratio（POL/ISO）   g/g	1:1.0-1.1.20	1:1.0-1.20
Rise time           s	60-90	40-70
Gel time            s	200-240	150-200
Tack free time       s	≥300	≥260
Core Free density    kg/m3	60-70	60-70
Ratio（POL/ISO）   g/g	1:1.0-1.1.20	1:1.0-1.20

FOAM PERFORMANCES

Foam Density	GB/T6343-2009	60~80kg/m3
Compressive Strength	GB/T8813-2008	≥480KPa
Closed-cell rate	GB 10799	≥95%
Thermal conductivity(15℃)	GB 3399	≤0.032mW/(m.K)
Water absorption	GB 8810	≤3(V/V)
High temperature-resistance		140℃
Low temperature-resistance		-60℃

PACKAGE 220kg/drum or 1000kg/IBC, 20,000kg/flexi tank or ISO Tank.