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asbestos rubber sheet

Catalogue <<< ASBESTOS PRODUCTS <<< asbestos rubber sheet
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Asbestos rubber sheets  is a sheet (GOST 481-80) it is a product of vulcanization of mixture

-asbestos fibres (60-70%);

-solvent, rubber (12-15%);

-mineral fillers(15-18%);

-sulphurs (1.2-8.0%).

 Made by the subsequent roll-forming of this mixture under large pressure.

 Maximal thickness of sheet of  asbestos rubber sheets 6 mm, it is universal gasket material. His feature is lightness in application: he without effort is cut and chopped, therefore it is at a desire possible freely to cut out the gaskets of any configuration. Asbestos rubber sheets biggest-selling gasket material for the middle diameters of armature.

  At pressure above 32 МПа asbestos rubber sheets starts to flow, the fluctuation limit therefore all thinnesses in connection are filled in with a material is thus reached and tightness of connection is ensured. The core thus is that the thickness of a lining should be minimum, but, nevertheless, sufficient for filling of flutes and roughnesses. At increase in a thickness of a lining the probability of its expression is high, therefore it is not recommended to put thick linings.

 Asbestos rubber sheets  of PON(В) it is possible to exploit in different environments. It and the fresh overheated water, saturated and overheated steam, dry neutral and inert gases, air, and also water solutions of salts, liquid and gaseous ammonia, alcohols, lotwo and nitrogen, heavy and easy petroleum. Thickness  of sheet from 0,4 to 5 mm.

    -temperature of working environment from -50 to +450°C;

-compressibility at pressure 35 Mpa — 5-15%;

-refurbishableness after the removal of pressure 35 Mpa -35%.

 

  

Asbestos rubber sheets  of PMB ( asbestos rubber sheets proof to action of technical oil and petrol) GOST 481-80 .

    Used in environments:

  Heavy and easy petroleum, oil fractions, fusion of beeswax, condensated and gaseous carbon С1-С5, brines, coke gas, gaseous oxygen and nitrogen, temperature of a working environment from-40 to +490 °С.

    compressibility at pressure 35 Mpa — 5-16%, refurbishableness after the removal of pressure 35 Mpa -40%

    Thickness 0,4-5mm

    of Pmb-1 ( asbestos rubber sheets steady against oil and gasoline) GOST 481-80

Used in environments:

      Heavy and easy petroleum , oily factions, liquid of VPS, salt water, khradons 12, 22, 114V-2;

    temperature of working environment from -40 to +250 °С.

    compressibility at pressure 35 Mpa — 2-16%, refurbishableness after the removal of pressure 35 Mpa -40%

    Thickness 0,4-3mm

Asbestos rubber sheets of PMB, TECHNICAL DESCRIPTIONS:

 

PE ( asbestos rubber sheets is an electrolysis) GOST 481-80

    Asbestos rubber sheets of brand. PE is sheet material made on paronit rollers from mixture of fibres of  chrysolite asbestos, collastic, napolniteley and vulcanizing group.

 Asbestos rubber sheets of brand of PE is used as gasket material for the compression of the cells collected in a battery, in electrolyzers and for the electric isolation of cells from each other, and also for the compression of immobile connections of vessels, vehicles, pumps, armature and pipelines.

Used in environments:

    Lyes by a concentration 300-400 g/l;

    Hydrogen, oxygen;

    Liquid and gaseous ammonia;

    Nitroznye gases;

    Aquafortis;

    Thickness 1,0 -4,0 mm;

    Pressure 2,5 Mpa;

    Temperature of working environment to 180°С.

Compressibility at pressure 35 Mpa — 6-16%, refurbishableness after the removal of pressure 35 Mpa -38%

    thickness of sheet 0,4 — 4,0 mm.

 

PK (asbestos rubber sheets stable against acids) GOST 481-80

Used in environments:

    Acids;

    Lyes;

    Nitro-oxidants and other are aggressive gases;

    Organic solvents;

Thickness 0,4 — 2,0 mm;

    Pressure 2,5 Mpa;

    Temperature of working environment to +250°С.

    Compressibility at pressure 35 Mpa — 2-12%, refurbishableness after the removal of pressure 35 Mpa -30%

    Thickness of sheet 0,4 — 4,0 mm.

  PA (asbestos rubber sheets reinforced by a grid) GOST 481-80