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

Model NO.
LY-2510a
Color
Brown
Dynamic Viscosity (25ºC) MPa.S
300-600
Storage Temperature ºC
10-25
Density (20ºC) G/Ml
1.1±0.02
Hydroxyl Value Mgkoh/G
350-500
Appearance
Light Yellow Transparent Viscous Liquid
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
Reference Price
$ 1.80 - 12.60
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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, s tabilizing 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.I t is blown with   HCFC-141b.
2. Technical Quality Conditions:

2.1  Physical characteristic s(with   hcfc-141b )
                                                                                            
Item                          Unit                    Index
                                                                                            
Appearance                       light yellow transparent liquid
Viscosity             25 ºC ,mPa.S                3 00 -600
S pecific gravity         25 ºC                   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
C omponent 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 .
3.1.141b Blowing Agent Polyurethane Foam Formulated System Blend Polyether Polyol for Ice Box Insulation

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

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


 

 

Polymer & Resin

PNEUTEC.IT, 2023