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Lead powders

Application area

Lead powders used in the manufacture of electrical contact brushes, machines for the manufacture of asbestos products, special methods of powder metallurgy products and nuclear industries for protection against X-radiation.

Chemical composition

Brand

Chemical composition, %

Pb,

no less than

Additives, no more than

Fixed residue,

no more than

Fe

Cu

Sb

As

Bi

O2

Brand lead

PSA

99,7

0,002

0,001

0,005

0,002

0,03

0,2

0,01

PS1

99,7

0,002

0,001

0,005

0,002

0,03

0,2

0,01

PS2

99,7

0,002

0,001

0,005

0,002

0,03

0,2

0,01

Alloyed

PS2S

98,7

0,02

0,2

0,8

0,05

0,03

0,2

0,01

Grading

Brand

Sieve residue, %

Sieve passing, %

Sieve numbers

Sieve numbers

008 К

0071 К

025 К

02 К

0045 К

% no more than

% no less than

Brand lead

PSA

1,0

1,5

-

-

75 to 90

PS1

-

3,0

-

-

-

PS2

-

-

99

97

-

Alloyed

PS2S