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6 "b" Volzhsky Chemical Complex
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Paronite TP-1

Paronite TP-1


Application and conditions of use. Paronite is used in the form of gaskets of various sizes and configurations for sealing flat connectors of fixed joints of the "smooth" type with a working environ with pressure of no more than 40-60 kgf/cm2, "thorn-groove", "protrusion-depression" (containers and machinery, pumps, fittings, pipelines, compressors, internal combustion engines and other units operating in various environments.

Admissable parameters when working in various environments are as follows: Maximum temperature Maximum pressure Sea water 70 4 Brines -40 +50 10 Liquid and gaseous ammonia -30 +1170 2.5 Coke oven gas 490 6.4 Air -50 +200 1.6 Oxygen and liquid nitrogen -182 0.25 Oxygen and gaseous nitrogen 150 5 hydrogens Ci — Cs -30 +50 1.6 Light oil products (gas oil, reflux, gasoline) 200 2.5 Heavy oil products (diesel fuel, diesel fuel, fuel oil, paraffin, tar, asphalt, bitumen) 300 2 Oil products fractions (diesel, automobile, aviation, industrial, turbine, transformer oils) 150 2.5 The roughness parameter of the sealing surfaces should be no more than 40 microns.

Technical specifications. Oil- and petrol-resistant paronite is a sheet material made on paronite rollers from a mixture of chrysotile asbestos fibers, synthetic and natural rubbers and vulcanizing fillers.

Density, g/cm3 - 1.5 - 3
Conditional tensile strength at rupture, MPa, not less than - 10
Increase in mass in liquid media, %, no more than: in kerosene at a temperature of 23 ° C for 12 hours - 10-24, in MS-20 or MK-22 oils - 23
Compressibility after relieving pressure 35 MPa, % - 8-20
Recoverability after relieving pressure 35 MPa, %, not less than - 20


Working pressure, MPa

Temp., °C

Thickness change, %

Density, g/cm3

 Thickness, mm

Water, steam


up to +450°С




Compressibility at 35MPa



from 8 to 20



Recoverability after 35MPa