Patent ID: 9346994
Filing Date: 2016-05-24
CPC Classification: B64G,C08K,C08L,C09K,F16L

Claim Text:
1. A heat protection ablative material for protecting a surface of a space vehicle from heat, having a mixture comprising a phenolic resin with a content of coke above 50% when heated to 1,000° C. in an inert atmosphere such as nitrogen, cork granules and refractory fibers, in which the proportion of cork granules in the mixture is a percentage from 70 to 73% by mass, wherein the percentage by mass in the mixture of refractory fibers is between 1 and 3% while the percentage by mass in the mixture of resin is the range of 23-25% and the material being so designed to withstand heat flows ranging from 0.5 to 10 MW/m2, and the material contains no microspheres.