Blend Polyol for Water Heater

• Molecular Principal Chain: Naphthenic Polymer
• Color: Brown
• Viscosity 25ºC,MPa.S: 400±50
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: DFR2 Series
• Hydroxy Value Mgkoh/G: 380-20
• Specific Gravity 25ºC: 1.1±0.5
• Component Temperature: 20-23ºC
• 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 DFR2 Series for Water Heater

Chemical Name:

polyol blend,system polyol or combined polyol

 

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 DFR2 Series is a semi resin premix combined polyol, based on polyether polyol, formulated with catalyst,blowing agent,stabilizing agents and other additves(if necessary) according to a parameter.It is a fully formulated polyether polyol developed for the rigid insulation of water heaters. Blowing is provided with CFC free.It is the mixture of polyol.

 

2.Technical Quality Conditions:

 

2.1 Physical characteristics

                                                                                       
Item                            Unit                    Index
                                                                                       
Appearance                     light yellow transparent liquid
Viscosity           25ºC,mPa.S                400±50
Hydroxy Value       mgKOH/g                 380-20
Specific gravity         25ºC             1.1±0.5
                                                                                       

2.2 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:8 min

Component temperature: 22-25ºC

 

2.3.1.3 Recommended processing property

Product Item		DFR21	DFR22
Blowing agent	type	HCFC-141b	WATER
Free rise density	Kg/m3	24-26	32~34
Remark

Note: ratio varied depends on processing system

2.4 Foam characteristics

ITEM			PROPERTY
Apparent core density (kg/m3)                         ≥			30-40
Initial Thermal conductivity (W/m.k)                     ≤			0.024
Compressive strength                                 ≥			130
Closed-cell rate  (%)                                 ≥			90
water absorption  (V/V) %                            ≤			5
Dimensional stability(%)	Low temperature (-30±3ºC,24hs)	≤	1
	High temperature (100±3ºC,48hs)	≤	1.5
Moisture vapour transmission 38ºC,RHO-88%	Ng/Pa.m.s	≤	6.5 or by negotion

 

 

3. Main Applications:

rigid PU foam cores for insulation of water heaters in combination with isocyanate (MDI).

 

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.