img

RAYSTON SPRAY FOAM 40 - Spain


RAYSTON  SPRAY  FOAM  40 - Spain
DESCRIPTI ON  and  APPLICATIONS
Rayston SPRAY Foam has been designed for a spray rigid polyurethane foam for thermal insulation in construction applications, with an applied density of 50 - 60 Kg/m3. The blowing agent in the polyol formulation is a HFC. Resulting foams are combustion modified according the norm ISO 3582

1.    Numerical flame spread or fire classification are only indicative, they are not sales specifications and they are obtained from tests in our laboratories.
2.    Numerical flame spread or fire classification are not intended to reflect hazards presented by this or any other material under actual fire conditions

GỌI NGAY 0913 404 017 - 0985 406 777 ĐỂ ĐƯỢC TƯ VẤN

PU Foam insulation sprayed Video for cold storage


 

 

PRODUCT  DATA
Recommended Process Conditions
Typical reaction
Characteristics (1)

 

Units

Polyol

Isocyanate

Test Method

Hydroxyl Nr

mg KOH/g

267

 

ASTM D 4274d

NCO content

   

31%

ASTM D 5155

Viscosity

mPa.s

350 (at 20/20ºC)

 

ASTM D 4878

Viscosity

mPa.s

 

210 (at 25/25ºC)

ASTM D 4889

Specific Gravity

 

1.14 (a 20/20ºC)

1.23 (a 25/25ºC)

ASTM D 891

To be used in machines with volumetric relation 100:100.

 

Units

Values

 

Polyol

by volume

100

 

Isocyanate

by volume

100

 

 

 

Units

Hand Mixing

Method

Cream Time

s

1

- 4

Internal Krypton Method

Gel Time

s

5

- 14

Internal Krypton Method

Rise Time

s

12 - 20

Internal Krypton Method

Free rise density

 

42 - 50

Internal Krypton Method

1. Data refer to laboratory tests made with components at 20°C, hand-mixed with mechanical stirrer at 3000 rpm.