Document b1ddVBOM5qjZRZpnqDRj4Q4o

The RUBCKOID Co. 50 0 Frfth WCWtORK June 26, 1944. / 1888 United Stater Maritime Commission Washington, 25, U. C. ' Attention: Mr. C. R. Brorr.. Chief. Materials Section Subject: Insulation: Molded Block & Pl-'e Ccvericr -"Celslll'.g* Gentlemen: We would like to have the Commission give firther consideration to their position is regard to the approval of Calsilite so that this approval may be granted Immediately based upon the merit: of the pre rent product rather than wait until the commercial plant is in production. The pilot plast war built is order thet *e might determine the proper methods and formulae prior to our manufacturing this product on a commer cial basis asd the decision to take such action was based upon the per fection of the product in its present state. Therefore, the material that will be produced commercially will have no different characteristic: than that which we have at the present time asd which is similar to the samples tested at the Naval Experimental Station at Annapolis, resulting in the Certificate of Approval being granted. The reason we desire immediate approval rather than later, is because of the number of ordexs that we have cn band specifying 85? Magnesia, which we can schedule in a much better way if we know that Calsilite cen be vised. 'We believe this is a matter of expediting ae much material as quickly as possible to the various contractors InsulAxlng chips under your Jim-isdicticn. Such assistance that we desire to extent can be edveseed by your cooperation in having this matter of approval given iasedlate attention. loirs VfTy truly JMHimc MICH01235 //- // : 01-0216*96