1.3.2. Rigid Polyurethane Foam System Formulated Blend Polyol for Ice Cooler Insulation

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 characteristic

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, 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.