Rubber Materials

What is PTFE (Teflon) thread seal tape?

PTFE is commonly known as Teflon which is a brand name for a synthetic chemical called polytetrafluoroethylene (PTFE) & used in many industries and many applications for preventing leakage. Thread seal tape is a simple and highly adaptable lubricating material used as a sealant in plumbing for pipes and ductwork. The lubricating property of Teflon tapes helps deep and prolonged the setting of the thread and also helps in preventing thread seizures after being unscrewed. It is a professional adhesive tape or plumbing tape, so it comes in specific cuts rolled on the spools. These spools are in a specific width and pre-cut to a specific range. It covers in a plastic case to protect its adhesive material from any damage during storage. And It is a long synthetic polymer that helps to seal the joint without hardening it.

PTFE Thread Seal Tape is a long synthetic polymer that helps to seal the joint without hardening it. Also, this lubrication property makes it easier to tighten and helps both pieces come in contact with each other, and protects them from physical wear and tear.

It is also very helpful to prevent leakage and sealing. This tape is hydrophobic and has extremely low friction. This property makes it an excellent choice for the pipe and sanitary & plumbing industries. Also, its chemical inertness helps in preventing cross-linkages with other polymers. Which makes it the best choice for presenting leakage in water, chemicals, or other solvents applications. 

Teflon Tape Seal Uses

PTFE Thread seal tape is often referred to as a plumber’s tape, Teflon tape, or thread sealant which is generally used to prevent leakage and sealing water, gas, and air through threaded connections, most effective on high-pressure lines. As a sealant and lubricating material, perfect for pipe fittings in the kitchen and bathroom. In fact, it is essential to use for household brass fittings unless a rubber seal or gasket is in place. Also, it is best for outdoor applications from tankless water heaters to irrigation systems and garden taps. In essence, PTFE tape comes in handy whenever you need a sturdy material to help tighten pipes to avoid leakages. It’s not just for plumbers, either – almost all households will need some of this handy tape sooner or later. Here are some common applications where PTFE thread tape seals are used mostly:

Applications where Teflon tape used

• Water
• Industrial
• Air
• Oil
• Gas Food Processing

Teflon thread seal tape is used to prevent leakages from Water, Air, Oil, Gas, Industrial, & Food Processing applications. But it is useful when we use the right product for the problem. These PTFE Tapes are made from 100% pure PTFE material which is self-adhesive with excellent creep and chemical resistance properties. It is widely used for sealing purposes in extraction systems, chemical and paint industry, pump fittings, ceramics, ventilation systems, medical industry, pharmaceutical and biomedical industry, fans, turbines, dryers, and food industry.

Types & Specifications of Kesaria’s Teflon Tapes

Generally, Kesaria Rubber Industries manufactures Teflon tape in white color. But the huge demand in the Plumbing & Sanitary industry, we manufacturers in different-different colors as per your requirement. There are six types of PTFE tapes that depend on the color of the tape, function, and density. These characteristics are different for each type of tape and we will discuss them here one by one.

Kesaria’s PTFE Tapes Specifications:

Width: 12mm, 19mm, 25mm

Thickness: 0.10mm

Length: 5mtr, 8mtr, 10mtr, 12mtr, 15mtr

Composition: 99.9% Virgin PTFE

Temperature Range: -190° C to 280° C

Tensile Strength: Min 8N/mm²

Elongation: Min 50%

Pressure Resistance: Upto 30 Bar (2.0mpa)

Chemical Resistance: PH 0-14

Currently Available Sizes

12mm x 0.1mm x 10mtr (Teflon Thread Seal Tape)

12mm x 0.1mm x 12mtr (Teflon Thread Seal Tape)

19mm x 0.1mm x 10 mtr (Teflon Thread Seal Tape)

What is an O-ring box kit?

An o-ring box kit is a different size of o-rings hard-wearing storage. You could say that these o-ring is a bit of a ‘living fossil’ in terms of manufacturing and repairing components. Rubber o-rings are brought into the market in the 20th century. After that continuously increased their demand in the market. A rubber o-ring repair kit is a form of solving this issue. Due to their vast uses and simplicity by the nature, they’re widely used today.

And, as fast the worlds engineering, manufacturing, and components design are changing, the requirement for o-rings is increasing for the development, repairing, and sealing purposes. By the way, the materials specification changing in the manufacturing of o-rings make it more high-tech over time, but essentially these rubber rings remain a beautifully straightforward and reliable solution to a problem that was brought up more than a century ago.

O-ring Seal Box work

An o-ring kit box is a highly flexible range of the basic form of o-rings from small to large sizes. In this o-ring box, you can find different – different sizes that can be used in your daily work. Their size and material specifications are best suited for almost every application. They exist purely to create a better leakproof seal between two spare parts or other components, with the aim usually being to prevent the unwanted escape of liquids and gases applications. In this sense, they’re effectively a type of rubber gasket seal but the only difference is that being o-rings they are more commonly used in very high-pressure environments, where a normal rubber gasket or cork would likely be prone to failure.

Why o-ring repair kit important in your tools

Rubber O-rings are commonly used in connectors, cylinders, pumps,  and valves to seal joints between separate parts and prevent the leaking of liquids and gases. They’re almost used in static, dynamic, hydraulic, and pneumatic components, making them an especially versatile solution to a very widespread engineering issue. The O-rings repair kit is very helpful in the urgent time to fulfill orings requirement to repair or prevent unwanted leakage from your valuable application.

Kesaria’s O-ring box types

In Kesaria Rubber Industries, we manufacture three types of rubber o-ring kit boxes, with the name 5A – O-ring repair kit, 5B – O-ring repair kit, & 5C – O-ring repair kit, all these o-rings are available in the market in two materials NBR (Nitrile) & Silicone Rubber. 

5A – O-ring Repair Kit

This o-ring box consists of hard-wearing storage with 382 pieces in 30 assorted sizes. All size rubber rings have been kept separated and organized in the box. It is designed in such a way that can seal the liquid and gaseous media for a long time period and with high durability. 5A – O-ring Repair Kit are available in Silicone and NBR material in the following size chart:

5B – O-ring Repair Kit

5B – o-ring kit is a most popular o-ring box that consists of a hard-wearing plastic box with 382 pieces in 30 sizes. All these orings are kept separately and organized form. It is very helpful to seal the liquid and gaseous applications with high durability. This 5B – O-ring Kit Box is available in Silicone and NBR material in the following size chart:

5C – O-ring Repair Kit

This o-ring box consists of hard-wearing storage with 382 pieces in 30 assorted sizes. All size rubber rings have been kept separated and organized in the box. 5C – O-ring Repair Kit can use in sealing liquid and gaseous applications for a long time. It is available in Silicone and NBR material in the following size chart:

Impact of Weather on Rubber O Rings

Environmental conditions play a vital role in rubber o-rings functioning. Almost all o-rings are durable and are best suited to environmental changes but the effects of rain, temperatures, ice, ozone, and UV light impact shown in the performance of o-rings. The impact of these environmental changes must be taken into consideration when you are deciding to order rubber o-ring seals. The right choice of material can reduce failure in your valuable industrial applications.

Impact of Heat on Rubber O-Rings:

Rubber o rings have to face commonly two types of temperatures high and low. At the high-temperature rubber, elastomers can destroy quickly because temperature change could be caused by chemical changes over a long period of time. These changes can not be reversed by nature in cool temperatures.  These chemical changes are irreversible and can be the cause of elastomer failure by affecting its strength and integrity.

For specific high operating temperatures O-ring materials are as follows:

• Nitrile − – 30°C to +120°C (-22°F to +248°F)
• Hydrogenated Nitrile (HNBR) − -30°C – 150°C ( -22°F to 302°F)
• Silicone rubber −  -60°C to 250°C (−76°F to 482 °F)
• Polyacrylate−  – 160°C to 210 °C(320°F to 410 °F)

Impact of Cold on Rubber O-Rings:

Cold weather highly impacts rubber elasticity, which can affect its compression set, in the cold temperature it becomes harder and less flexible, and it can become brittle and break off. As we know that once the compression set worsens it can’t go to its original size due to some chemical changes. That can cause the rubber part to deteriorate. 

For specific low operating temperatures O-ring materials are as follows:

• Nitrile −  -30°C to +120°C (-22°F to +248°F)
• HNBR −  -30°C – 150°C ( -22°F to 302°F)
• Silicone rubber −  -60°C to 250°C (−76°F to 482 °F)
• FFKM− -42°C to +220°C  (−43.6°F to 428 °F)

Impact of Water on Rubber O-Rings:

When we use rubber seals to prevent leakage in high water-moisture-humidity, fluids, ironically, or rainy weather it can show some swelling problems that can lead to the failure of this rubber seal. As the same, temperature, and water also affect rubber’s chemical properties. It changes the size between the seal and gland; it makes these o-rings incompatible with the system environment and malfunctions.

For Specific Wet, Rainy or Humid Environment Environments Operating O-ring materialsare as Follows: EPDM, NBR, and Silicone.

Impact of O-Zone on Rubber O-Rings:

Ozone gas (O3) is a highly reactive gas composed of three oxygen atoms. It is derived from oxygen and is found throughout the earth’s atmosphere. Ozone exposure is usually caused by electrical arcing, ultraviolet light, and electromagnetic fields which is common in many manufacturing and industrial environments. Before installation, We need to store O-rings away from electrical equipment or motors and should be kept in a dark room that is away from direct sunlight. In these applications where long-term ozone exposure is high, use ozone-resistant materials O-rings such as EPDMor Fluorocarbon.

Silicone Rubber is a polymer made up of siloxane (−R2Si−O−SiR2−, where R = organic rubber). It is a heat-resistant inert synthetic compound that comes in a variety of forms (oil, rubber, resin). Technically, it could be considered a part of the rubber family. But, if you define plastics widely, silicone is something of a hybrid between synthetic rubber and a synthetic plastic polymer.

Silicone can be used to make malleable rubber items including, sealants, adhesives, medicine, cooking utensils, thermal insulation, lubricants, electrical insulation hard resins, Iron Rest Pads, Extrusions Profiles, and spreadable fluids. Silicone is a highly versatile material valued for its flexibility, biocompatibility, and resistance to temperatures, UV light, radiation, and ozone.

Advantages of Silicone Rubber

Silicone rubber is a common sealing material for a wide range of industrial applications including automotive, medical, electronics, aerospace, and more. Here we are sharing some advantages of silicone rubber:

• Heat Resistance: Silicone Rubber is a high heat & temperature resistance product. Some of its compounds are able to withstand up to 305 °C temperatures, not only high temperatures it can extend to low temperatures too, which means this synthetic rubber can maintain its flexibility even at -100°C.
• High-Performing Rubber: It’s known for its very durability, good mechanical properties, suitability and flexibility in low compression sets of extreme heat or cold. And extremely reliable and trusted to keep up performance for a long time.
• Environmental Resistance: It exhibits a high level of environmental factors resistance, including UV radiation, open flames, extreme temperatures, and corrosive chemicals.

Also Read: What causes Rubber to Deteriorate?

• Thermal stability: Silicone is able to retain its shape, size, durability, flexibility in extreme hot or cold temperatures.
• Moisture Sealant: It is a best suitable product for water repellent and malleable, which makes it an excellent sealant.
• Highly Versatile: Silicone rubber has a capacity to be molded and shaped in any form to meet even the most detailed specifications. That formulation can be adjusted to downplay or enhance characteristics, such as flexibility, toughness and electrical conductivity.
• Color Friendly: Silicone rubber can be molded in any color, because it has color prior to the curing process, so it exhibits a lasting, vivid shade.
• Electrical properties: Silicone rubber productsare an excellent electrical insulator, however the addition of metal or carbon black can improve its conductive properties.
• Range of Hardness: Silicone rubber has the ability to be formulated to exhibit different ranges of flexibility and hardness, depending on the needs of your application.

Disadvantages of Silicone Rubber

• Tear strength: Silicone rubber has a poor tear strength, it’s the major disadvantage of it. This issue can be improved by adding some other ingredients, but it doesn’t naturally offer strength or abrasion resistance.
• High Cost: It is a premium product similarly it has premium cost as compared to other rubber materials. It can be improved by some quality control. But as we all know every product cost is decided by its quality and adding components. So, you can contact our technician experts / specialists. They will help you to understand it.

Custom Silicone Seals From Kesaria Rubber Industries

Kesaria Rubber Industries pride itself as a high-qualitycustom molded rubber, TPE, PTFE parts and components providing company for more than 32 years. We have a team of more than 500 well-skilled people. They are working to provide the best quality rubber sealing product at a competitive price. If you are looking for custom molded parts for your application feel free to contact our experts here.