1.4.2. Rigid Two Component Polyurethane Foam System Formulated Blend Polyol for Refrigerator and Freezer

• Customization: Available
• Molecular Principal Chain: Naphthenic Polymer
• Color: Brown
• Model NO.: DFR1 Series
• Viscosity: 300-600 (25ºC, MPa.S)
• Specific Gravity: 1.00-1.10 (25ºC)
• Component Temperature: 20-23ºC
• Mixing Speed: 5000rpm/8 Sec
• Transport Package: Steel Drum/IBC Drum/Tank
• Specification: pure
• Trademark: G-TECH@
• Origin: China
• Production Capacity: 50000mt/Year
• Package Size: 60.00cm * 60.00cm * 102.00cm
• Package Gross Weight: 218.000kg

Product Description

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.