... 2128.67Recovery %,≥41.1242.8043.5044.4447.6653.40%,≤232221201815Stress relaxation%,≤505050454540T max ,≤250300350400500550P maxMpa,≤1. ... Sheets and Gaskets:asbestos rubber sheet, reinforced composite rubber sheet.paronite,asbestos rubber sheet250,asbestos rubber ... graphite sheet, expanded graphite sheet, flexible graphite roll, composite sheet, graphite sheet roll, expandable graphite roll, graphite ...