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Oil-resistant paronite (PMB-1) buy in Volzhskiy
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Oil-resistant paronite (PMB-1)
paronit-maslobenzostojkij-pmb-1

Oil-resistant paronite (PMB-1)

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Russia, Volzhskiy
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11 years on Allbiz
Technical characteristics
  • Country of manufactureRussia
Description

Oil and petrol resistant paronite (grade PMB - 1) is produced in the form of sheets according to GOST 481 - 80 and is intended for the manufacture of gaskets that seal detachable joints of various mechanisms. Oil and petrol resistant paronite PMB - 1 is produced in sheets with a thickness of 0.3 to 3.0 mm with dimensions in plan from 400x400 mm to 1000x850 mm. It is efficient in any climatic conditions. For operation in tropical climates, fungicides are used in the production of paronite.

If dimensions allow, then a gasket made of PMB brand paronite is cut from one solid sheet. If a gasket of large dimensions is required (exceeding the dimensions of the sheet), it is allowed to manufacture gaskets from paronite in parts, by means of an adhesive joint.

Scope of paronite PMB - 1

Workspace

Maximum pressure, MPa

Operating temperature range, ° C

Type of sealed connection

Equipment types

Oil fractions, heavy and light refined products

16.0

- 40 . . . + 250

Thorn - groove, trough - ledge connections; it is possible to seal "smooth" joints at pressures up to 2.5 MPa

Pumps, vessels, apparatus, pipelines, compressors, internal combustion engines, etc.

Liquid VPS

16.0

- 40 . . . + 100

Sea water

10.0

- 2 . . . + 50

Freon grades 12, 22, 114V - 2

2.5

- 50 . . . + 150

The recommended roughness parameter of the sealed surfaces is no more than Rz 40 microns.

Physical and mechanical parameters of PMB - 1

Parameter name

Value

Specific weight of paronite, g / cm3

1.5 . . . 2.0

Conditional tensile strength (when a force is applied in the transverse direction), MPa

20.0

The increase in mass after 5 hours of keeping the material in:


- in aviation oil of the MS - 20 (or MK - 22) brand (at t + 150 ° C), % ;
- in oil of MK - 8 brand (at t + 100 ° C), % ;
- in a 10% solution of nitric acid (at t + 100 ° C), % ;
- in a 10% sulfuric acid solution (at t + 100 ° C), % ;

 

 


fifteen
fifteen
thirty
thirty

 

Relative deformation under compressive load (35 MPa), %

2 - 12

Recoverability after removing the compressive load (35 MPa), % , not less

thirty

 

WORKSPACE T, ° C P, MPa
Sea water 50 4
Pickles 60 ten
Ammonia liquid and gaseous 110 2.5
Coke oven gas 490 6.4
Air 150 1.6
Oxygen and nitrogen liquid - 182 0.25
Oxygen and nitrogen gaseous 150 five
Liquefied and gaseous hydrocarbons 60 2
Melt wax 150 1
Light oil products (gaysol, reflux, gasoline, kerosene) 200 2.5
Heavy and light oil products (diesel fuel, fuel oil, paraffin, tar, asphalt, bitumen) 300 2
Oil fractions (diesel, automotive, aviation, industrial, turbine, transformer oils) 150 2.5
Compressibility at 35 MPa 5 - 16%
Recoverability after relieving pressure 35 MPa 40%
Density 1.5 - 2.0 g / cm3

 

Reception and storage

Paronite is oil - resistant and products made from it are accepted in batches. Each batch in the amount of 100% is subjected to visual quality control, and selectively - for compliance with the physical and mechanical characteristics established by the interstate standard 481 - 80. Each batch is accompanied by a paronite certificate and a marking label.

Store paronite and products made from it in closed, ventilated and heated rooms, preferably in the original packaging. Storage on shelves and racks is allowed, at a height of at least one meter from the ground. Deformations during storage are not permissible. Storage conditions: relative humidity - no more than 65% ; ambient temperature - up to + 35 ° C. Storage at temperatures below 0 ° C is allowed. At the same time, before cutting the paronite and making seals, the material must be kept for 24 hours at a temperature of + 20 ° C.

It is not allowed to expose the material during storage to direct sunlight, liquids and vapors that can destroy rubber. The minimum distance to heating devices is one meter. Do not store paronite near ozone generating equipment.

Manufacturer's Warranties

Subject to the conditions of transportation and storage in accordance with the requirements of State Standard 481 - 80, the manufacturer's guaranteed shelf life for oil and petrol resistant paronite grade PMB - 1 and products made from it is two years from the date of issue.

 

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