4 6022 wa ct51l 0 3 5 100 5 100c 9 wa ct51l 0 5 70 5 70__________________________________________________________________________ note the samples containing wacker ct 51l contain 0 13 sof dioctylazelate in most cases the addition of pa 18 increases the spray rating of the treated fabric except for the baysilan 01 m3 the oil rating remains about the same in examples 23 to 29 different amounts of pa 18 were used in combination with fx 3530 0 3 sof silicone softener sh8011 0 3 sof and dioctylazelate plasticizer 0 15 sof the treatment solutions were applied to 100 cotton by solvent padding mibk the treated substrates were dried at room temperature and conditioned overnight before testing comparative example c 10 was made without pa 18 the results of oil repellency and spray rating are given in table 8 table 8______________________________________performance properties of 100 cotton treated with fx 3530 pa 18 pa 18 of 100 fx 3530 cottonex no pa 18 sof solids or sr______________________________________23 0 006 2 5 9024 0 015 5 5 9525 0 03 10 5 10026 0 06 20 5 10027 0 15 50 5 10028 0 3 100 5 10029 0 6 200 5 100c 10 0 0 0 4 90______________________________________ the results indicate that even a very small amount of pa 18 causes already an increase in oil repellency it is also clear that there is.