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AR B311
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AR B312

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Categoría:
Ficha técnica

Application

AR B312

Liquid Components Properties

Property Blend Polyols Isocyanate
Colour Light yellow to brown liquid Brown
Hydroxyl value         mgKOH/g 150-250 /
Viscosity @ 25°C           mPa.S 200-400 200-250
Specific gravity  @ 20°C     g/ml 1.15-1.25 1.20-1.25
Storage temperature            ℃ 10-25 10-25
Shelf life 6 months 12 months

Technical Condition

Blend Polyols: Isocyanate MDI 100:110-130
Raw material temperature     ℃ 18-22
Moulding temperature       ℃ 50-60

Technology and Reactivity  (the exact value varies depending on processing conditions）

Items Cup Test High Pressure machine
Cream time    s 50-80 40-70
Gel time      s 250-350 200-300
Free density  kg/m3 38-43 37-42

Foam Performance

Moulding density ASTM D1622 ≥38kg/m3
Close-cell rate ASTM D2856 ≥90%
Thermal conductivity（15℃） ASTM C518 ≤22mW/(m.K)
Compression strength ASTM D 1621 ≥200kPa
Dimensional stability  24h  -20℃

24h  100℃

 ASTM D2126 ≤1%

≤1.5%
Flame Resistance DIN 4102 B1/B2

Package

220kg/drum or 1000kg/IBC.

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