Chinese Professional Pu System For Pipeline Insulation - Donfoam 901 water base benld polyols for pouring – INOV

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.