Document 3QYrODmKzgb2prbBQdrp00yZO

INSULATION (CALSILITE) (1970) J DECEMBER Therm 1. Insulation I.ffthc'-'tfiry work continues in an eflort to develop 'ata to sup;-orr the ratent.-.h? iity of the asbestos free Cnlsilite formulation. Dow Chcmicel has issued ^ new purchase sr>oci flection for hich tcmj.eotaf ir*nijatio Lhut permits no asbestos content. Evaluation of DuPont's sodium silicate - nerlite, insulation led to tba conclusion that their development product was of qcod uuali; .-n.; ir.'rthv of further investigation, ''"his reouires sinning a STcreoy anree^ent which is now Heine negotiated. i. y MICH09084