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News - en
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Porous ptfe grades are produced from suspension ptfe powders and specifically they are a mixture of different particle size distributions and hardness degrees to achieve the desired level of porosity.
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Dimpled Sheets and Discs
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Virgin PTFE or compounded PTFE dimpled sheets. Thanks to the special surface, the above dimpled sheets are generally used in the engineering and construction field. Dimpled sheets are the perfect solution to thermal expansion and load problems usually connected with structural elements.
One of the most common applications for dimpled sheets is the insertion between 2 movable elements (i.e. bridges), working as a self lubricating system exempt from any need of maintenance.
Due to their special and heavy applications, not only the process technology is certified by Guarniflon, but also the type of raw materials used. Industrial Plastics & Machine dimpled sheets are processed in accordance with the international standard EN 1337-2.
Etching process available. Available sizes on stock:
- mm. 1000 x 1000 thickness mm. 5,0
- mm. 1000 x 1000 thickness mm. 5,5
- mm. 1200 x 1200 thickness mm. 5,0
- mm. 1200 x 1200 thickness mm. 5,5
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Bearing tapes
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For the heaviest applications in the hydraulic field, motion control and mechanical field, Industrial Plastics & Machine developed a new family of products, made by special PTFE compounds and devoted technologies, in order to fulfil Industrial Plastics & Machine customers requirements.
Compounded PTFE materials with bronze, carbon, graphite or other fillers are designed to enhance properties such as:
- wear resistance
- coefficient of friction
- compression strength
Available:
- with sharp edges
- with chamfers on 2 or 4 angles
- knurled on 1 or 2 sides
- etched on 1 or 2 sides
Thickness from mm. 1,5 to mm. 5 - Width from mm. 4 to mm. 300
| Width in mm. | Thicknessn in mm. | ||
| 4 | |||
| 5 | |||
| 5,4 | |||
| 5,5 | |||
| 6 | |||
| 6,1 | |||
| 7 | 1,50 - 2,00 | ||
| 7,9 | 2,50 - 3,00 | ||
| 8 | 4,00 - 5,00 | ||
| 9 | |||
| 9,5 | |||
| 9,8 | |||
| 11 | |||
| 11,5 | |||
| 12 | |||
| Width in mm. | Thicknessn in mm. | ||
| 12,5 | |||
| 13 | |||
| 14 | |||
| 14,5 | |||
| 15 | |||
| 16 | |||
| 16,5 | 1,50 - 2,00 | ||
| 18 | 2,50 - 3,00 | ||
| 19,5 | 4,00 - 5,00 | ||
| 20 | |||
| 21,5 | |||
| 22 | |||
| 24 | |||
| 24,5 | |||
| 25 | |||
| Width in mm. | Thicknessn in mm. | ||
| 27 | |||
| 27,5 | |||
| 28 | |||
| 29,5 | |||
| 30 | |||
| 30,5 | |||
| 31,5 | 1,50 - 2,00 | ||
| 32 | 2,50 - 3,00 | ||
| 34 | 4,00 - 5,00 | ||
| 34,5 | |||
| 35 | |||
| 38 | |||
| 40 | |||
| 45 | |||
| 50 | |||
Tolerance standard
|
Width
|
||
| from 3,00 to 40,00 mm. | ± 0,10 mm. | |
|
|
||
| from 40,011 to 50,00 mm. | ± 0,20 mm. | |
|
Thickness
|
||
| from 1,00 to 4,00 mm. | + 0/-0,05 mm | |
|
|
||
| from 4,01 to 5,00 mm. | ± 0,05 mm. | |
|
Rolls lenght
|
||
|
Thickness mm.
|
Width mt.
|
|
|
1,5
|
35
|
|
|
2
|
25
|
|
|
2,5
|
20
|
|
|
3
|
16
|
|
|
4
|
24
|
|
|
5
|
15
|
|
* Customized dimensions on request.
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Machined Products
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A wide range of machined products are processed on CNC machines / automatic lathes. To ensure high and stable quality standards, Industrial Plastics & Machine is running the electronic system S.P.C. (Statistical Process Control).
More than 40 million pieces machined every month, delivered all over the world and for a range of applications.
Virgin PTFE or compounded PTFE materials can be machined and fully or partially etched.
- globe valves seats
- piston rings
- hydraulic seals
- snap rings
- to customer drawing
- O-Rings/Back-up Rings
- PTFE Balls
BackupRings
$
O-Rings
$
Thread Seals
$
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Etching Technology
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The etching process consists in a chemical surface treatment on virgin or filled PTFE. It allows PTFE to be glued on to surfaces of various materials, such as rubber, metal, plastics, etc.
etching tecnology
Format: pdf 512 kb
Some of the most common applications are for the tank lining where chemical agents must be stored, machine tool sliding surfaces, coupling with other materials for fi nished parts, etc.
= contact angle (degrees)
Industrial Plastics & Machine owns the most updated technologies devoted to the etching process on semifinished (sheets, tapes, tubes, bars) and finished PTFE products, virgin or compounded.
The etching process of Industrial Plastics & Machine is capable of providing uniformly reactive surfaces.
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Machined products:
Rings, bushes, parts and other designed products can be etched according to the end use partially or on the total surface.
Quality of etching:
Industrial Plastics & Machine can guarantee the quality of etching by the control of process parameters and by evaluating the extent of etching itself through a wettability test (Contact Angle Method), and an adhesion test (ref. ASTM D903).Contact angle method:
It is based on the measure of the angle between the tangent to a distilled water drop and the PTFE surface (ie, the contact angle).
In Figure 1 two examples of contact angle are illustrated - on unetched surface (poor wetting) and on etched surface (good wetting), respectively.
The relationship in terms of performance between contact angle and etching is shown in Figure 2.
Contact angle and surface energy of etched PTFE are related by the following formula:
where:
Es = surface energy (dynes/cm)
= contact angle (degrees)The graph in Figure 3 shows contact angle vs. surface energy.
|
Fig.2
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SURFACE ENERGY IN DYNES/CM
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SC Serie
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The solutions to problems of sealing Developed by Industrial Plastics & Machine R&D team, SC series is a superior and unique material for gasket (flat Sealing) applications. The overall benefits of Industrial Plastics & Machine SC series over that of both conventional PTFE and competitive PTFE/filler blends are found in the areas of environmental improvement (they are asbestos free) and overall cost saving. Main applications in the chemical, petrochemical, pharmaceutical, food, paper industries, etc.
4 different types of products are available from SC Series, in sheets and rolls:
- SC 1100
- SC 1200
- SC 1400
- SC 1600
Available also on stock in sheets: mm. 1500 x 1500 - Thickness mm. 1,5 2,0 3,0.
Sheets can be delivered with printed surface under customers order.
SC chemical resistance chart
Download
Download
SC
$1100
SC
$1200
SC
$1400
SC
$1600
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CalFilm
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PTFE skived films calendered and/or ultra flat, available with adhesive coating or etched surfaces. CALFILM Series is grouping 4 different types of products:
- GF High modulus and pressure sensitive tape
- GFI Ultra flat film
- GF COMPOUND High Performance tape
- PSA Pressure sensitive adhesive tape
Some applications:
SEALING COATING AGAINST HIGH TEMPERATURES
Using on cylinders and to protect sensitive components against high temperatures up to 280°C.
SLIDING SURFACE SHELL
The application of PTFE film on sliding surfaces shell allow to create antifriction surfaces, for a very smooth motion.
ANTICORROSIVE SHELL
Water and oil proof, Industrial Plastics & Machine tapes can tolerate most chemical agents, except for organic solvents that can attack the tape adhesive coating.
PROTECTION AGAINST THE JUNK DEPOSIT
Industrial Plastics & Machine tapes help to avoid the deposit of textile debris, inks, glues, pasty elements, preserving the machines from possible damages.
ELECTRICAL/ELECTRONIC FIELDS
Assembling of PCB (Printed Circuit Board), solar panels, LCD/TFT monitors, electrical cables.
Main applications from food to mechanical industries, from electronic to aerospace industries, from textile to paper mill industries.
CALFILM
$GF
CALFILM
$GFI
CALFILM
$GF COMPOUND
CALFILM
$PSA
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Tenfil
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PTFE Paste sealant for Threads
Tenfil is a solvent – free paste, in a watery leakage, to be pre-applied on the threads for a better sealing. It’s available for 3 specific applications (water-gas-air) and supplied in special small containers.Main characteristics:
- excellent resistance to the major part of solvents
- not flammable
- non toxic
- easy application
TENFIL
$TF 200
TENFIL
$TF 400
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Skived tapes
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If you need to skive very thin thickness and/or special compound, only the most updated technologies, the most selected raw materials and a skilful know-how can grant excellent and stable quality.
Industrial Plastics & Machine have all of the above capabilities and presently able to offer very high quality products starting from the thickness of 0,025 mm. Some of Industrial Plastics & Machine tapes applications are for the aerospace or electronics, a technological reference for quality and reliability.
Industrial Plastics & Machine tapes are available in virgin PTFE or filled by bronze, carbon, glass fiber and other special materials, able to cover a very wide range of different industrial applications.
SKIVED TAPES
$G400 and G200
SKIVED TAPES
$COMPOUNDED PTFE
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Molded and Skived
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Technologies available at Industrial Plastics & Machine provide options among a wide range of molded or skived sheets, in virgin PTFE as well as compounded PTFE.
According to customers’ needs, Industrial Plastics & Machine can suggest the most suitable solutions concerning available technologies, materials and dimensions.
In order to grant a fast and efficient service to its customers, Industrial Plastics & Machine stocks a wide range of molded and extruded sheets, in different thickness and dimensions.
Etching process available on 1 or 2 sides.
SHEETS
$MOLDED
SHEETS
$SKIVED
Guarniflon India Pvt. Ltd. at Plast India 2026
After an inspiring experience at Chemtech India last week, Guarniflon India is excited to continue its journey by participating in Plast India.
Read moreGuarniflon India at Chemtech show in Mumbai
We’re excited to announce that Guarniflon India Pvt. Ltd. will be participating in Chemtech World Expo 2026 in Mumbai - India
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