Blend Polyol DFR1 Series for Refrigerator and Freezer
Simple introduction (product features)
1)excellent flowability
2)foam density distribute uniformity
3)low thermal conductivity
4)excellent low temperature dimensional stability
1.General description
Blend Polyol DFR1 Series is a semi resin premix combined polyol, formulated with catalyst,stabilizing agents and other additves(if necessary) according to a parameter.It is a fully formulated polyether polyol developed for the rigid insulation of home appliance.
2.Technical Quality Conditions:
2.1 Physical characteristics
Item Unit Index
Appearance light yellow transparent liquid
Viscosity 25ºC,mPa.S 300-600
Specific gravity 25ºC 1.00-1.10
2.3 Process and reactive characteristics( actual value varied depends on the processing conditions)
2.3.1 Foaming condition
2.3.1.1 Manual mixing
Component temperature:20-23ºC
Mixing speed:5000rpm/8 sec
2.3.1.2 Machine
Demould time:5-8 min
Mold temperature:35-45ºC
Component temperature: 20-23ºC
2.3.1.3 Recommended processing property
Product Item | DFR11 | DFR14 | DFR13 | |
Blowing agent | type | HCFC-141b | HFC-245fa | CYCLOPENTANE |
Free rise density | Kg/m3 | 24.5-25.5 | 25-26 | 24.5-25.5 |
Remark | ||||
Note: ratio varied depends on processing system
2.4 Foam characteristics
ITEM | Result | Test Method | ||
Apparent core density (kg/m3) ≥ | 28-35 | ISO 845:2006 | ||
Initial Thermal conductivity (W/m.k) ≤ | 0.022 | ISO 8301:1991(E) | ||
Compressive strength ≥ | 100 | ISO 844:1978 | ||
Closed-cell rate (%) ≥ | 90 | ISO 4590:2002 | ||
water absorption (V/V) % ≤ | 5 | ISO 2896:2001 | ||
Dimensional stability(%) | Low temperature (-20ºC,24hs) | ≤ | 1 |
ISO 2796:1980 |
High temperature (100ºC,24hs) | ≤ | 1.5 | ||
3. Preparation:
Before using,this polyol has to be mixed very well..
4.Packing and storage:
The product is delivered in 200 liters clean, dry and tightly sealed metal sheet drums, cubitanks,stainless steel railway labeled with the product's name, batch number, manufacturing date, net weight, producer's name.The product is stored in genuine packing, in covered areas, cold, dry, vented areas, in tightly closed containers under nitrogen blanket, far from heat, moisture and inconsistent materials, at temperatures between 20ºC and 25ºC.The recommended shelf life is 6 months.
5.Safety Considerations:
Before handling and using of product, the personnel must be aware of the dangers implied. This information is on the product label.
6.Attention:
Please contact DAFFODIL to see if the document has been revised and for any other additional information related to the product.
