Document RKNMwQ5J0x913o7VnRRz17Dv

'JJ TS`SJJ-Xi'/l TECHNICAL BULLETIN FXPANDFD POLYSTYRENF INSULATION DYFOAM CORPORATION . NEW CASTLE, PA. RESULTS OF TESTS MADE BY PLASTERING DEVELOPMENT CENTER, INC. OCTOBER, 1958 DYFOAM INSULATING PLASTER BASE, BOND STRENGTH TESTS ' PORTLAND CEMENT MORTAR PLASTIC FOAM INSULATION NO. TB-9 PAGE 1 of 1 DATE- 10/id/AS SUPERSEDES . Samples of DYFOAM were submitted to the Technical Service of Plastering Devel opment Center, Inc., Chicago, in order to determine the strength of the bond developed between DYFOAM and PORTLAND CEMENT 'MORTAR. , REPORT: Testing performed at the Plastering Development Center, Inc., xvith regard to the bonding strength of DYFOAM with PORTLAND CEMENT MORTAR on October 9, 1958. BSIS-Roberson00689