Conductivity table for various materials - Συντελεστής θερμικής αγωγιμότητας διαφόρων υλικών

Material

Thermal conductivity
 k
( W.m^-1. K^-1 )

Metals

    Iron

73

    Steel

~ 46

    Aluminum

210

    Copper

386

    Silver

406

    Gold

293

    Platinum

70

    Yellow Brass

85

Non Metals

    Asbestos

0.16

    Red Brick

0.63

    Cardboard

0.21

    Cement

0.30

    Earth's crust

1.7

    Felt

0.036

0.8

0.04

    Granite

2.1

    Ice

2.2

    Linen

0.088

    Paper

0.13

    Rubber, soft

0.14

    Sand, dry

0.39

    Silk

0.04

    Snow, compact

0.21

    Soil, dry

0.14

    Wood

0.13

Liquids

    Acetone

0.20

    Alcohol, ethyl

0.17

    Mercury

8.7

    Oil, engine

0.15

    Vaseline

0.18

    Water

0.58

Gases

    Air

0.026

    CO₂

0.017

    Nitrogen

0.026

    Oxygene

0.027