NEOFERMA

Uses of Neoferma

The gaskets have been tested successfully in buildings more than 100 metres highwith a wind velocity of 160 km/hour developing a pressure of 130 kg/m2

Sound Insulation
These gaskets exhibit excellent insulation against airborne sound

Thermal Insulation
A single gasket will provide good thermal insulation but in cases where the standard required is very exacting a system of double gaskets (inside and outside of joint) is recommended.

Material
The gasket is manufactured from EPDM (Ethylene Propylene Diane Monomer) or neoprane or similar synthetic rubber.
These rubbers have been in use for nearly 50 years and have an unrivalled record od durability uner all kinds of conditions, including a temperature range of -35C to +90C

Hydrostatic tests on joints sealed with Neoferma

The following are extracts from R.R. Harry Stanger, dated August 1970. Hydrostatic tests were carried out on Neoferma jointing material to see at what pressure leakage would occur when placed at the recommended width between steel and concrete faces. The tests were proposed by ourselves.

Results of Tests

Test 1
Neoferma between concrete faces: Tested up to 30 ft. Head of Water no leak occured

Test 2
Neoferma between concrete faces-seal reversed: Tested up to 20 ft Head of Water, no leak occured

Test 3
Neoferma between steel faces: Tested up to 45 ft. Head of Water and no leak occured

Test 4
Neoferma between steel faces-seal reversed: Tested up to 55 ft. Head of Water and no leak occured

Pull Out Test:
Neoferma seal from concrete faces:
The seal started to lift out at 500 lb. At 1500 lb. the seal at one point pulled out.

N.B. Neoferma gaskets were used to seal the test rig. Sealing was necessary between the concrete blocks and the pressure tank. The Neoferma gaskets solved this problem

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