Document 93ObQXpBb2kkDryrL1QGXp2rV

January 31, 1974 t PLAINTIFFS i EXHIBIT !5 Newport Nows Industrial Corp. 12388 Warwick Blvd. Newport News, Virginia 23606 . Attentions Hr. Thomas W. Sheplsr Gentlmaant Through the request of our Sales Representative, Mr. Ted Shumate, H. K. Porter Company, Inc. is pleased to send you the following information concerning our Asbestos Sound Control products. 1. Sample of Style 8266 Asbestos Sound Control Cloth. 2. Sample of Style 8150 Asbestos Sound Control Cloth. 3. Riverbank Acoustical Laboratory of IIT Research Institute report on our Sound Control material. 4. Porter Sound Control bulletin #TH-7535. 5. Geiger and Hanxoe, Consultants in Acoustics, report on Sound Transmission Loss. Porter Sound Control fabrics are composed of (1) Asbestos Cloth, (2) lead, and (3) latex. These three products are combined under heat and presstare to form a uniform dense mass that is flexible, not exciteable, and easy to fabricate. Due to the treatment applied to the Asbestos Cloth, very little lint or dust is given off during usage of this ' material. Our Asbestos Sound Control Cloths are furnished in 40" widths and are supplied in approximately 45 foot maxlnnaa rolls. Porter Style #8266 weighs 2-1/2 pounds per square foot and Style #8150 carries a weight of 1-1/2 pounds per square foot. January 31, 1974 Page 2 For all teams and loosely fitting areas, we manufacture a compound. Style #7058, weighing approximately 24 poinds per gallon is used to caulk these areas to secure from sound leakage. Our present book prices on our Sound Control materials are as follows) Style #8150, $4.00 per square foot: Style #8266, $5.70 per square foot; Style #7058, Sound Control Compound, $1*70 per pound. We appreciate your interest in our Sound Control materials and should you have further questions aftsr examining the enclosed information, plaasa advise and wa will comply. Yours truly, H. K. PORTER COMPANY, INC. J. R. Gladden Sales Service JRG/sw cct Ted Shunate Enclosures 'NJ--*. i