BLEND POLYOL FOR PU FOAM PLATE
  2020/06/10| View:986

BLEND POLYOL FOR PU FOAM PLATE.jpg


Blend Polyols

Blend Polyols react with isocyanate to form pu foam, which has the characteristics of even and delicate foams, low thermal conductivity, good heat preservation and heat insulation, and high and low temperature stability. 


Recommended ratio

Product

Mixture ratio

Blend Polyols

100

Isocyanate

105-115

 

Reaction characteristics

Item

Unit

Reaction index

Cream time

s

25-35

Gel time

s

160-180

 

Foam properties

Density (kg/m3)

≥35

Obturator (%)

≥95%

Thermal conductivity (w/(m*k))

≤0.024

Compressive strength  (kpa)

≥150kPa

Water absorption  (%)

≤3%

Dimensional stability (%)         24 hours    -30℃

24 hours     70℃

≤1.0%

≤2.0%