3.1.141b Blowing Agent Polyurethane Foam Formulated System Blend Polyether Polyol for Ice Box Insulation

• Customization: Available
• CAS No.: 9009-54-5
• EINECS: 210-898-8
• Model NO.: LY-2510a
• Molecular Principal Chain: Naphthenic Polymer
• Color: Brown
• Appearance: Light Yellow Transparent Viscous Liquid
• Hydroxyl Value Mgkoh/G: 350-500
• Dynamic Viscosity (25℃) MPa.S: 300-600
• Density (20℃) G/Ml: 1.1±0.02
• Storage Temperature ℃: 10-25
• 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

DESCRIPTION
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
LY-2510 is a semi resin premix combined polyol, based on polyether polyol without hcfc141b, 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 ice box.It is blown with HCFC-141b.
2.Technical Quality Conditions:

2.1 Physical characteristics(with hcfc-141b)
                                                                                            
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

2.4 Recommended ratio:

Component	Parts by weight
Blend polyol	100
Isocyanate	adjustable
HCFC-141b(or CFC-11)	adjustable

2.5 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 G-TECH to see if the document has been revised and for any other additional
information related to the product.