Diana Foams Pvt. Lld. Manufactures Foam for High-tech Application. Diana Foams Pvt. Lld is an ISO 9001:2000 awarded company that also manufactures wide range of profiles and foams. Foam for High-tech Application is used in Electronic Equipments & Shock Proof Packing Case. It is also used for Room Acoustics. The foam is offered with Heat Insulation for Steam Pipe Lines, Reservoirs. It is fire retardant. It has sound-proofing quality which is used for Movie Hall, Recording Studio, etc.