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Rogowski, Z.W., 1970. FLAME ARRESTERS AS BARRIERS AGAINST HOT METAL PARTICLES PART II. Fire Research Notes 757
Particles produced by fusing of copper wires with a current up to 1200 A. 250 v. D.C. penetrated the apertures of crimped ribbon arresters and remained incendive in atmospheres of ethylene and diethyl ether in air. Penetration could be prevented by containing such particles within strong insulating sleeves around the wires.