Flame retardant optical fiber cable

A flame retardant optical fiber cable comprising:

• a plurality of bundle binders lying substantially along a longitudinal axis of the flame retardant optical fiber cable, wherein the plurality of bundle binders comprising a plurality of optical fibers;
• a first layer surrounding the plurality of bundle binders, wherein the first layer is a loose tube, wherein the first layer is substantially made of steel;
• a second layer surrounding the first layer;
• a third layer surrounding the second layer;
• a fourth layer surrounding the third layer, wherein the fourth layer is a peripheral strength member;
• a fifth layer surrounding the fourth layer, wherein the fifth layer is a first jacket layer;
• a sixth layer surrounding the fifth layer;
• a seventh layer surrounding the sixth layer, wherein the seventh layer is an armoring layer;
• an eighth layer surrounding the seventh layer, wherein the eighth layer is a second jacket layer;
• and
• a plurality of ripcords, wherein the plurality of ripcords comprises a first plurality of ripcords and a second plurality of ripcords, wherein the first plurality of ripcords is positioned at an interface of the fourth layer and the fifth layer, wherein the second plurality of ripcords is positioned at an interface of the sixth layer and the seventh layer,
• wherein the flame retardant optical fiber cable withstands a temperature of at least 930 degree Celsius, and
• wherein the flame retardant optical fiber cable is stressed for a first time period of about 60 minutes with the facilitation of flame at 930 degree Celsius with mechanical shocks, wherein the flame retardant optical fiber cable is further stressed for a second time period of about 60 minutes with the facilitation of water spray on the cable.

A flame retardant optical fiber cable comprising:

• a plurality of bundle binders lying substantially along a longitudinal axis of the flame retardant optical fiber cable, wherein the plurality of bundle binders comprising a plurality of optical fibers;
• a first layer surrounding the plurality of bundle binders, wherein the first layer is a loose tube, wherein the first layer is substantially made of steel;
• a second layer surrounding the first layer, wherein the second layer is substantially made of a mica tape;
• a third layer surrounding the second layer, wherein the third layer is substantially made of water swellable yarns;
• a fourth layer surrounding the third layer, wherein the fourth layer is a peripheral strength member, wherein the fourth layer is substantially made of glass roving yarns;
• a fifth layer surrounding the fourth layer, wherein the fifth layer is a first jacket layer, wherein the fifth layer is substantially made of low smoke zero halogen material;
• a sixth layer surrounding the fifth layer, wherein the sixth layer is substantially made of a mica tape;
• a seventh layer surrounding the sixth layer, wherein the seventh layer is an armoring layer, wherein the seventh layer is substantially made of a corrugated ECCS tape;
• an eighth layer surrounding the seventh layer, wherein the eighth layer is a second jacket layer, wherein the eighth layer is substantially made of low smoke zero halogen material;
• and
• a plurality of ripcords, wherein the plurality of ripcords comprises a first plurality of ripcords and a second plurality of ripcords, wherein the first plurality of ripcords is positioned at an interface of the fourth layer and the fifth layer, wherein the second plurality of ripcords is positioned at an interface of the sixth layer and the seventh layer,
• wherein the flame retardant optical fiber cable withstands a temperature of at least 930 degree Celsius, and
• wherein the flame retardant optical fiber cable is stressed for a first time period of about 60 minutes with the facilitation of flame at 930 degree Celsius with mechanical shocks, wherein the flame retardant optical fiber cable is further stressed for a second time period of about 60 minutes with the facilitation of water spray on the cable.