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Manufactered by :

CRC Industries Europe NV

Touwslagerstraat 1 – 9240 Zele – Belgium

Tel (32) (0) 52/45.60.11 Fax (32) (0) 52/45.00.34

Technical Data Sheet

KONTAKT CHEMIE Freeze 75 Super

Page 1/2

Freeze spray

KONTAKT CHEMIE Freeze 75 Super

Description:

Cooling agent, mixture of 1,1,1,2 tetrafluoroethane and difluoroethane

General properties and applications:

KONTAKT CHEMIE Freeze 75 Super is a mixture of fluorocarbons liquified under pressure.

The fluid vaporises very quickly and, in doing so, extracts heat of vaporisation from the

environment. As a result, the sprayed surface cools down considerably. Freeze 75 Super

volatilises totally; conventional constructional materials are not attacked. The refrigerant

mixture present does not have an ignition range with air. KONTAKT CHEMIE Freeze 75

Super is used therefore in particular in areas where it is essential to eliminate dangers posed

by the use of flammable gases and liquids.

A typical application for the product is the location of thermal faults in electrical equipment. It

is also suitable for the freeze shrinking of small components, for the removal of sticky

contaminations from textiles, for the stiffening of "rubbery" materials and for the handling of

histological specimens.

KONTAKT CHEMIE Freeze 75 Super contains no CFC's.

Technical data

Composition 1,1 Difluorethane 10%

1,1,1,2- Tetrafluorethane 90%

Density at 20°C FEA 605 1,165 g/m³

Vapour pressure at 20°C

at 50°C

FEA 604

FEA 604

460 kPa

1200 kPa

Heat of vaporisation at

boiling point (-25°C)

Calculated 270 j/ml

Lowest temperature

achievable with glass

thermometer

(at 20°C ,75% rel. humidity)

in-house method -55°C

Ignition range in air DKV Tagungsbericht, 17,

m2, 169 – 191 (1990)

non-combustible

Flammability test FEA 610 non-flammable

Product specificaties