Asbestos Types and facts

Question 1

What 5 types of asbestos fibres fall within the amphiboles family

Answer 1

Grunerite (amosite) - White 
Crocidolite (Blue)
Actinolite
Tremolite
Anthophyllite

Question 2

What 1 types of asbestos fibres fall within the serpentine family

Answer 2

Chrysotile (White)

Question 3

When was Chrysotile banned

Answer 3

1999

Question 4

When was the voluntary ban of amphibole asbestos

Answer 4

1970’s

Question 5

When was the uk ban of amphibole asbestos

Answer 5

1985

Question 6

When was the uk peak use of asbestos

Answer 6

Between 1950’s and 1970’s

Question 7

What year did the. Uk import approx 20,000 tons of asbestos

Answer 7

1920’s

Question 8

When was the use of asbestos boom

Answer 8

1800’s during the industrial revelation

Question 9

When was the first report of asbestosis reported in the British medical journal

Answer 9

1924

Question 10

When did the asbestos industry regulations com into law

Answer 10

In 1931 after evidence of asbestos related disease growth

Question 11

What colour is grunerite (amosite)

Answer 11

Brown

Question 12

What colour is Chrysotile

Answer 12

White

Question 13

What colour is crocidolite

Answer 13

Blue

Question 14

Key property’s of asbestos materials

Answer 14

Good Electrical insulator (High electrical resistance)
High mechanical strength (Tensile strength comparable to steel)
Chemically inert ( Resistant to most chemicals)
Good thermal / fire / sound insulator (stable to about 450 - 600*c)

Question 15

When dose Chrysotile become unstable

Answer 15

Around 550*c