Page 274 - Mechanical Engineer's Data Handbook

262 MECHANICAL ENGINEER’S DATA HANDBOOK

Good conductor!3 of beat Sound-absorbing materials
Aluminium Acoustic tiles and boards:
Bronze Cellulose
Copper Mineral
Duralumin Acoustic plasters
Gold
Magnesium Blanket materials:
Molybdenum Rock wool
Silver Glass wool
Tungsten Wood wool
Zinc Perforated panels with absorbent backing
Suspended absorbers
Good heat insulators ~~~ ~
Asbestos cloth Bearing materials
Balsa wood
Calcium silicate Tin based alloy Silver overlay on
Compressed straw Lead based alloy lead-tin
Cork Lead-tin-antimony Porous bronze
Cotton wool alloy Porous leaded bronze
Diatomaceous earth Copper-lead alloy Porous iron
Diatomite Leaded bronze Chrome plating
Expanded polystyrene Tin bronze Carbon
Felt Aluminium bronze Carbon (graphite)
Glass fibre and foam Cast iron (Meehanite) Rubber
Glass wool Cadmium-nickel alloy Phenolics
Hard bo a r d Cadmium-silver alloy Nylon
Insulating wallboard Cadmium-copper-silver Teflon (PTFE)
Magnesia alloy Cermets
Mineral wool Silver overlay on Lignum vitae
Plywood lead-indium Jewels
Polyurethane foam
Rock wool
Rubber High strength-to-weight ratio materials
Sawdust
Slag wool Magnesium alloys
Urea formaldehyde foam High strength aluminium alloys
Wood Titanium
Wood wool Titanium alloys
Nylon
Glass-reinforced nylon
Glass-reinforced plastics
Carbon-fibre-reinforced plastics
Ceramic-whisker-reinforced metals
Duralumin