rubber sheet

rubber sheet have two kinds:
1,the vulcanized rubber have not processed the molding.it can keep it for a long time
2,the rubber which has not vulcanized can process the molding,but it will change be bad if it transport for a long time (such as 20 days). Maybe the material will change be bad too.
specification as follow s:
Thickness of fabric(polyester) : 0.1 mm
2)Thickness of fabric(polyester) + rubber : 0.17 +0.03mm
3)It must resistant against influx Natural Gas.
4)We want produce by it, Diaphragm of gas meter.