Rigid polyurethane foam

Rigid polyurethane foam 1)Used for Cold storage of making 2)Material: polyurethane 3)Good insulation

 

1.1 Commodity Systems: polyurethane foam composite raw material for cold-specific boards.

 

1.2 Model: SH-8005

 

1.3 Application:

SH-8005 polyurethane foam composite raw material is principally used for manufacturer cold-specific boards.

 

1.4 Introduction:

Standard cold rooms are assembled by numerous modular panels, which meet the requirements of different application temperature and dimension. Polyurethane cold-specific boards have many advantages, such as high-quality, small size and good insulation properties.

 

 

 

 

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)	500 ± 100	Viscosity at 25 ° C (mPa • s)	200 ± 40
Specific Gravity at 25° C (g/cm3)	1.210 ± 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	20 – 40
Gel time	sec	90 – 160
Rise time	sec	120 – 200
Removal from the mold	sec	300 - 900

 

2.4 Foaming properties

Parameter	ME	Value	Testing method
Free density (product)	kg/m3	22 - 25	GB6343 - 86
Overall density	kg/m3	38 - 45	GB6343 - 86
Coefficient of thermal conductivity(20.C)	W/m.K	≤0.025	GB10294 - 88
Compression strength	Mpa	≥0.15	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

Rigid polyurethane foam