1211b Dielectric strength one inch in thickness 65, 000 V 8, 000 V 25, 000 V 76, 000 V Insulation resistance per one inch cube ... The insulation resistance and puncturing voltage of slate, marble and soapstone are only approximate, since ... yaaquot; 30, 500 Puncturing Voltage Thickness Average W 37, 000 fAlaquot; 43, 000 Puncturing Voltage Thickness Average Haquot; 54, 000 ... size sheets 36aquot; x 48aquot;, 42aquot; x 48aquot; and 42aquot; x 96aquot; in the following thicknesses: Thic a#39;4 kness * * 3/8aquot; 5 aquot; Weight per Square Foot .

Title | : | Johns-Manville Service to Railroads |

Author | : | Johns-Manville, Incorporated |

Publisher | : | - 1923 |

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