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Silicone rubber compounds type PENTASIL


The Penta company is a leading producer of hard silicone rubber compositions of heat vulcanization in Russia - holds 40% of russian market. Assortment of produced rubbers: more than 1600 items, 17 types.


Properties:

1. Thermo stability: -60 - +200°C, -60 - +250°C, -115 - +250°C, -60 - +315°C.
2. Service durability: more than 30 years. Resistance to radiation and ultraviolet irradiation.
3. Biological inertness.
4. Dielectric properties: 20 kV/mm.
5. Hydrophobic nature.


HTV - hard rubber heat-vulcanized

By vulcanization:
1. Peroxide: Low-temperature, High-temperature.
2. Additive: Two-component, Single-component.

By processing: For press molding (Direct molding, Transfer molding, Injection molding); For extrusion molding; For pan vulcanization; For calendering. Single-step; Two-step.


Type I - general purpose

Pentasil 1200 - 1900

Color   on request
Density g/cm3 1,12-1,19
Hardness (Shore A)   12-90
Nominal tensile strength MPa 8,0-11,8
Elongation at break % 300-950
Tear strength N/mm 17-26
Rebound elasticity % 45-60
Compression set % 25-55

Application: molded components, rolled sections, tubes, medical goods, machine manufacturing, electrotechnics, household appliances.


Type II - wire coating

Pentasil 2400 - 2700

Color   on request
Density g/cm3 1,20-1,23
Hardness (Shore A)   45-70
Nominal tensile strength MPa 8,0-10,0
Elongation at break % 250-450
Tear strength N/mm 19/30
Oxygen index (LOI)   30
Volume resistivity Om*cm 1016
Dielectric power (plate 2mm) kV/mm 20
Dielectric constant   2,8
Dielectric loss tangent (50Hz, 25°C) x*10-4 30/60

General purpose - +180°C, 20000 h. Thermo stability - +200°C, 20000 h. Flame-retardant - oxygen index 30. Flame proof - ceramic-form - 4 h, +1150°C. Oil-resistant. Resistant to aggressive influences.

Application: wires, cables, rail transportation, sea transportation, air transport.


Type III - for medium and high voltage equipment (insulators)

Pentasil 3301 - 3306

Color   white, grey, blue
Density g/cm3 1,35-1,55
Hardness (Shore A)   55-70
Nominal tensile strength MPa 5,0-7,0
Elongation at break % 200-300
Tear strength N/mm 15
Oxygen index (LOI)   28
Volume resistivity Om*cm >1016
Dielectric power (plate 2mm) kV/mm 20-24
Dielectric constant   2,8
Tracking-erosion resistance Class kWt 3,5-4,5
Dielectric loss tangent (50Hz, 25°C) x*10-4 30

Application: line insulators, support insulators, voltage suppressors.


Type IV - oil resistant

Pentasil 4400 - 4800

Color   on request
Density g/cm3 1,10-1,40
Hardness (Shore A)   40-80
Nominal tensile strength MPa 6,0-10,0
Elongation at break % 200-700
Tear strength N/mm 12-20
Rebound elasticity % 45-70
Compression set % 15-25

Application: layings, rings, armoured and unarmored collars rollers.


Type V - special extrusion-type

Pentasil 5600 - 5700

Color   on request
Density g/cm3 1,17-1,19
Hardness (Shore A)   60-75
Nominal tensile strength MPa 10,0-11,0
Elongation at break % 450-500
Tear strength N/mm 27-34
Rebound elasticity % 51-55
Compression set % 30-40

Fine cohesion strength - keeps the form. High tear resistance. Super-transparency.

Application: slender sections, hosings, medical tubes, intricate profiles.


Type VI special with high tear

Pentasil 6300 - 6700

Color   on request
Density g/cm3 1,13-1,17
Hardness (Shore A)   30-70
Nominal tensile strength MPa 9,0-11,0
Elongation at break % 550-1000
Tear strength N/mm 35-40
Rebound elasticity % 45-55
Compression set % 25-45

Application: diaphragms, collars, gaskets, gauffered items.


Type VII - porous

Pentasil 7000

Color   on request
Density g/cm3 0,40±0,1
Hardness (Shore A)   15
Nominal tensile strength MPa 1,5
Elongation at break % 300
Tear strength N/mm 5

Application: porous profiles.


Type VIII - with low compression set

Pentasil 8600 - 8700

Color   on request
Density g/cm3 1,2-1,16
Hardness (Shore A)   60-70
Nominal tensile strength MPa 8,0-9,0
Elongation at break % 300-400
Tear strength N/mm 15-17
Rebound elasticity % 50-55
Compression set % 7-25

High chemical resistance to solvents.

Application: rings, sealers.


Type IX - for filling

Pentasil 9200 - 9400

Color   transparent
Density g/cm3 1,10-1,13
Hardness (Shore A)   18-45
Nominal tensile strength MPa 6,0-8,0
Elongation at break % 600-950
Tear strength N/mm 13-15
Rebound elasticity % 57-65
Compression set % 25-15

Application: rubber coating of rollers, suspension of muffler, molded articles.


Type X with fine cohesion strength

Pentasil 10600 - 10700

Color   on request
Density g/cm3 1,14-1,18
Hardness (Shore A)   55-70
Nominal tensile strength MPa 9,0-10,0
Elongation at break % 400-450
Tear strength N/mm 18-22
Rebound elasticity % 50-60
Compression set % 15-35

Fine framework. Fine temperature aging.

Purpose: for vertical extrusion, false profiles, calendering.

Application: rubber sheet, complex profile.


Type XI - temperature-resistant

Pentasil 11400 11600

Color   on request
Density g/cm3 1,13-1,16
Hardness (Shore A)   40-60
Nominal tensile strength MPa 9-11
Elongation at break % 500-800
Tear strength N/mm 21-27
Rebound elasticity % 42-47
Compression set % 15-35

Working capacity up to 7 days at +300°C.

Application: products with temperature resistance up to 315°C.


Type XII - for rubber coating of rollers

Pentasil 12200 12600

Color   on request
Density g/cm3 1,16-1,22
Hardness (Shore A)   18-65
Nominal tensile strength MPa 8,0
Elongation at break % 250-450
Tear strength N/mm 15
Rebound elasticity % 45
Compression set % 15

Application: photocopying and guide rollers.


Type XIII - vapor resistant

Pentasil 13600

Color   on request
Density g/cm3 1,19
Hardness (Shore A)   60
Nominal tensile strength MPa 8,5
Elongation at break % 300
Tear strength N/mm 17
Rebound elasticity % 45
Compression set % 30

Stands against vapor (+160°C) for 2 months.

Application: vapor resistant items.


Type XIV - freeze-resisting

Pentasil 14400 - 14600

Color   on request
Density g/cm3 1,16
Hardness (Shore A)   40-65
Nominal tensile strength MPa 12/11
Elongation at break % 550-500
Tear strength N/mm 28-24
Rebound elasticity % 50-60
Compression set % 30-25

Freezing resistance: -115°C.

Application: shock-absorbers, radiation resistant products.


Type XV - electro conductive

Pentasil 15500 - 15700

Color   black
Density g/cm3 1,10-1,18
Hardness (Shore A)   50-70
Nominal tensile strength MPa 6,0-9,0
Elongation at break % 200-400
Tear strength N/mm 12-14
Rebound elasticity % 40-60
Compression set % 30-25
Oxygen index (LOI)   23-32
Volume resistivity Om*cm 4-10

Application: electric conductor for ignition cables, conducting molded and extrusion-type products.


Type XVI oil- petrol-resistant fluorosilicones

Pentasil FS 400 - 800

Color   on request
Density g/cm3 1,40-1,56
Hardness (Shore A)   40-80
Nominal tensile strength MPa 8,3-9,0
Elongation at break % 300-450
Tear strength N/mm 15-22
Compression set % 8,0-12
Tosol A 65M (low-freezing coolant) (72h/105°C) % 2,9
Oil M10 DM (72h/125°C) % 1,8
TSP 10 (hard oiling agent) (24h/150°C) % 7,1

Operation temperature range -60 - +250°C.

Application: oil- petrol-resistant industrial rubber products.


Penta. Silicones