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R. Getka, T. Kukuła, B. Jarosz, Z. Litwiński


Flammability characteristics of plastics under high pressures


Polimery 1982, No 1, 32



DOI: dx.doi.org/10.14314/polimery.1982.032

Summary

Oxygen enriched atmosphere (OEA) which contains oxygen under partical pressure higher than 0,021 MPa causes an increase in the rate of combustion and in the rate of flame spreading on the surface as well as a decrease of the minimum ignitron energy and reduction of the ignitron delay. The molar concentration and partial pressure of oxygen in OEA produce an essential effect as well as the composition of OEA. OEA can contain neutral gases a part from nitrogen which change the course of the combustion process of materials. The results of studies in that respect have been reviewed and discussed. An own method of investigation and design of test stand as well as preliminary results of studies in air atmosphere under absolute pressure up to 0.7 MPa have been presented. It has been demonstrated that the rate of flame spreading under those conditions increases about 5 times.


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