Document MJo4MRjJ43XN0JmVGwvMV0p5y

From Monsanto Chemical Company At St. Louis - Roberts Building c .I.Armstrong/V, F .Waycho. Roberts-3 ^ tf* * K Date September 26, 1955 Mr. J. R. Darby At st. Louis Research Reference Subject HOT MELT FORMULATIONS Joe, here are the three hot melt formulations which we have on file. The first one is the one we recommended to the National Association of Clay Pipe Manufacturers, which is as follows: Copolymer resin DIDA Santicizer 160 Aroclor 1248 or 1254 HB-20 Paraplex G-62 Mark XV 100 25 100 37 38 10 4 The other two,which we do not feel are useful in elay pipe, have been recommended for coating rayon. They are as follows: 1. Opalon 300 ONB Santicizer 9 Aroclor 5460 Aroclor 1254 Santicizer l4l Dioctyl Adipate BSWL 2. Opalon 300 Santicizer 160 BSWL Filler 142 parts 104 It 28 It 104 tl 76 It 19 tl 28 It 7.1 II 10 parts 30.6 It 0.5 II 2.0 It STLCOPCB4092885