solar heater insulation polyurethane

Rigid polyurethane raw materials 1)Used for insulation of raw materials 2)Good Liquidity 3)Excellent insulation properties

1.1 Commodity Systems: polyurethane foam composite raw material for insulation.

 

1.2 Model: SH-8006

 

1.3 Application:

SH-8006 polyurethane foam composite raw material is principally used for manufacturer the insulation layers of refrigerator and ice box solar water heater.

 

1.4 Introduction:

SH-8006 polyurethane foam has many good properties, such as good fluidity, high obturator rate, steady foam size, excellent insulation. Suitable for casting refrigerator, cold plate, disinfection cabinet, solar water heater insulation layer and etc

 

 

 

2.1 FigureComponent A: in the room temperature is a white liquidComponent B: in the room temperature is a dark liquid.

After the merger it will be transparent, slightly opalescent liquid.

 

2.2 Physical-chemical properties

Component A		Component B
Parameter	Value	Parameter	Value
Hydroxyl Value(Mg • HOK/g)	450 ± 50	Content of NCO groups (%)	30 - 33
Viscosity at 25 ° C (mPa • s)	800 ± 200	Viscosity at 25 ° C (mPa • s)	200 ± 40
Specific Gravity at 25° C (g/cm3)	1.18 ± 0.05	Specific Gravity at 25° C (g/cm3)	1.235 ± 0.02

 

2.3 Technological features of the systems

	Unit	Value
Processing temperature:Component AComponent B	°C°C	2525
Mix ratio A / B		100/(100– 110)
Creaming time	sec	15 ± 3
Gel time	sec	80 ± 10
Rise time	sec	90 ± 10
Removal from the mold	sec	600

 

2.4 Foaming properties

Parameter	ME	Value	Testing method
Free density	kg/m3	25 ± 2	GB6343 - 86
Overall density	kg/m3	35 ± 5	GB6343 - 86
Coefficient of thermal conductivity(20.C)	W/m.K	≤0.025	GB10294 - 88
Compression strength	Mpa	≥0.13	GB8813 - 88
Obturator rate	%	≥92	ISO DIS4590
dimensional stability (-30.C - 100.C/96h)		≤1.5	GB8811 – 88
Water absorption rate	%	≤3	GB8810 – 88

 

 

 

3.1 DurabilityThe stored in tightly closed original containers

Component A: three months from date of manufacture.

Component B: six months from date of manufacture3.2 PackagingTwo-component polyurethane system comes in single-use packaging.

The components A and B are kept in tight containers of 250kg steel drums (individually wrapped)., or in other containers with customers agreed. The following information will appear on the packaging:- Product name or mark,- Date of manufacture,- Number of the lot- Net Weight- Guarantee

 

3.3 StorageThe components A and B are kept in place at 15-25 ° C.

3.4 TransportThe components A and B are to encourage, by any, covered transport

solar heater insulation polyurethane