Donpanel 423PIR CP/IP base blend polyols for continuous PUR

Donpanel 423PIR CP/IP base blend polyols for continuous PUR

INTRODUCTION DonPanel 423/PIR is a kind of blend polyether polyol which adopts cyclopentane as foaming agent, takes polyol as the main raw material and is mixed with special auxiliary agent. It is suitable for thermal insulation of building boards, cold storage boards and other products.This material is specially developed for continuous line .The polyurethane product prepared by reacting it with isocyanate has the following advantages: -- No greenhouse effect and does not damage the ozone layer - Good fluidity and uniform foam density --Excellent dimensional stability and fire resistance

PHYSICAL PROPERTY

	DonPanel 423/PIR
AppearanceHydroxyl value                 mgKOH/g Dynamic viscosity （25℃）   mPa.S Density （20℃）             g/ml Storage temperature             ℃ Storage stability               months	Light yellow transparent viscous liquid 150-250 300-500 1.15-1.25 10-25 6

RECOMMENDED RATIO

	Pbw
DonPanel 423/PIRIsocyanate	100 150-200

TECHNOLOGY AND REACTIVITY (the exact value varies depending on processing conditions)

	Manual mix	High pressure
Raw material temperature    ℃CT      S GT      S TFT      S Free density   Kg/m3	20-25 7-20 25-55 30-60 35-40	20-25 5-15 20-40 30-55 34-40

FOAM PERFORMANCES

Mold densityClose-cell rate Thermal conductivity （10℃） Compression strength） Dimensional stability        24h -20℃                       24h 100℃ Flammability

GB/T 6343  GB/T 10799 GB/T 3399 GB/T 8813 GB/T 8811   GB/T 8624

≥42 Kg/m3≥90% ≤22mW/m.k ≥120 KPa ≤0.5% ≤1.0% B3、B2