Silicone pressure-sensitive glue around you

Silicone pressure-sensitive glue around mainly includes polysiloxanes and organosilanes, the following are some common examples:

Silicone pressure-sensitive glue

  1. The patch used after surgery, such as an anti-adhesion agent, is mainly composed of medical grade polyoxyethylene siloxane polymer, colorless and transparent, with strong adhesion, air permeability, water resistance, drug resistance, chemical corrosion resistance, and anti-adhesion.
  2. The main components of pesticide slow-release membranes are EMA and methyl hydroxyacetic acid, both of which belong to organosilanes.
  3. Paste coating films, such as liquid gasket coating films, are mainly composed of polyurethane, polyorganosiloxane, and polyester copolymer.

In general, silicone pressure-sensitive adhesive has a wide range of applications in medicine, agriculture, industry, and other fields, such as surgical patches, pesticide slow-release membranes, liquid gaskets, and so on.

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The difference between hot melt adhesive and pressure-sensitive adhesive

Hot melt adhesive and pressure sensitive adhesive are two different adhesives, and their use and effect are different.

Hot melt adhesive is a plastic adhesive, usually used to stick wood, paper, fabric, and other materials. It can be heated to melt, then applied to the surface that needs to be bonded, and finally cooled to set. The advantage of hot melt adhesive is that it is easy to use, can be bonded without any pressure, and the adhesive force is strong. For example, when making greeting cards, hot glue is used to attach colored paper to the cardstock.

Pressure-sensitive adhesive is a solvent-free, non-irritating adhesive, usually used to paste fragile items, such as glass, ceramics, food packaging, etc. It does not require heat or added pressure, simply apply it to the surface that needs to be bonded and then press it to bond. The advantages of pressure-sensitive adhesive are not volatile, is good stability, and there is no special requirement for the material to be bonded. For example, when making sealing labels, pressure-sensitive adhesive is used to stick fragile glass bottles.

hot melt adhesive

In general, hot melt adhesives and pressure-sensitive adhesives have their own characteristics and application fields, and selecting the right adhesive according to different needs can improve work efficiency and bonding effect.

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Test the initial adhesion of pressure-sensitive adhesive

The methods to test the initial adhesion of pressure-sensitive adhesives include the initial adhesion test, the stick holding test, the temperature resistance test, the thermal indentation test, the anti-stripping property test, etc. The initial viscosity test can be tested using the “zhi” word method, the specific steps are as follows:

  1. Cut a small slit in a clean conical bottle.
  2. Secure one end of the pressure-sensitive rubber strip to the small mouth of the conical bottle, and touch the other end to the blackboard or glass plate.
  3. Press down hard on the adhesive surface to make the pressure-sensitive adhesive adhere tightly to the blackboard or glass plate.
  4. Read the initial adhesion value of the pressure-sensitive adhesive on the blackboard or glass plate, ing.

The stickiness test can be tested using a standard method, the constant speed tensile test method. The specific steps are as follows:

  1. Fix the pressure-sensitive adhesive strip on the fixture of the constant speed tensile testing machine.
  2. Fix the fixture and the test piece at a 90-degree Angle, and connect the tension transducer.
  3. 3. Adjust the tensile testing machine, so that if the test piece is out of the fixture moment, there is an appropriate tension.
  4. Read the holding force value of the tensile test machine, in Newton.

pressure-sensitive adhesive

The temperature resistance performance test can be tested by the high-temperature aging test method, that is, the pressure-sensitive rubber strip is placed in the high-temperature test box to simulate the high-temperature environment for the aging of the pressure-sensitive rubber strip. The processing time can be as long as needed, usually 24 hours. The properties of the pressure-sensitive adhesive strip can be tested after treatment, including initial adhesion, stickiness, and temperature resistance.

Thermal indentation test can be used to test the heat resistance of pressure-sensitive adhesive strips. The specific steps are as follows:

  1. Place a piece of non-adhesive paper or cloth on the plate, tear off the aluminum sheet or copper sheet (0.14mm thick) with a hole punch or hand, and place a thin layer of pressure-sensitive adhesive on it.
  2. Tear the aluminum or copper sheet into 14mm x 14mm pieces using a tool or hand.
  3. Put the aluminum sheet or copper sheet on the plate, press the aluminum sheet or copper sheet closely with the pressure-sensitive adhesive strip, and then press it until dry.
  4. Check whether there are thermal indentation and bubbles after 24 hours at 38 ° C. If not, leave it at 100 ° C for 30 minutes.

The stripping resistance test can be carried out by the non-woven fabric method, and the specific steps are as follows:

  1. Put a piece of non-woven cloth (such as a wiping cloth) on a clean plate and tear it into small pieces with a hole punch or hand.
  2. Apply a thin layer of glue on the non-woven fabric.
  3. Stick the non-woven fabric on a clean plate, and stick to the non-woven fabric with tape or pressure sensitive adhesive strip.
  4. After waiting for some time, tear off the tape or pressure-sensitive adhesive strip from the non-woven fabric and observe whether there is a residual adhesive layer on the non-woven fabric.

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What are the main ingredients of pressure-sensitive adhesive

The main components of pressure-sensitive adhesive include the main material, tackifier, filler, and additive. The main material is the main component of pressure-sensitive adhesive, which can be divided into four categories: acrylate, rubber, resin, rubber, and resin combination.

Viscosifier can improve the bond strength and cohesion strength of pressure-sensitive adhesives, commonly used viscosities are natural rubber, synthetic rubber, synthetic resin, and wax. The filler can adjust the properties of the pressure-sensitive adhesive so that the pressure-sensitive adhesive has better adaptability. Additives can give pressure-sensitive adhesive better application properties, such as temperature resistance, water resistance, cold resistance, and adhesive stripping strength measurement.

For example, the pressure-sensitive adhesive with acrylic ester as the main material has excellent water resistance and thermal stability, and can be used in the production of tape, self-adhesive tape, and die-cut products; Rubber pressure-sensitive adhesive has excellent flexibility and absorption properties and can be used in the production of medical tape, dust-free paper, disposable medical supplies, etc. The pressure-sensitive adhesive with synthetic resin as raw material has good water and heat resistance and can be used in the production of industrial self-adhesive fixing plates, transparent tape, and other products.

pressure-sensitive adhesive

The above information is for reference only, and the specific composition of different pressure-sensitive adhesives may vary depending on the manufacturer and application.

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The market size of pressure-sensitive adhesive continues to expand

The pressure-sensitive adhesive has a wide range of applications in multiple fields, so its market size is constantly expanding.

pressure-sensitive adhesive

Here are some examples of pressure-sensitive adhesives in different areas:

  1. Sanitary products: pressure sensitive adhesive is mainly used to manufacture the outer material of sanitary products, such as diapers, sanitary napkins, etc.
  2. Automobile: pressure sensitive adhesive is used for the bonding of parts such as lights, Windows, and car body shells.
  3. Construction: pressure sensitive adhesive is used for bonding waterproof rolls, window frames, glass seals, etc.
  4. Electronics: pressure sensitive adhesive is used for the bonding of electronic components and components.
  5. Packaging: pressure sensitive adhesive is used for sealing and label bonding.
  6. Building materials: pressure sensitive adhesive is used to make waterproof rolls, window frames, glass seals, and other bonding.
  7. Railway locomotive: pressure-sensitive adhesive is used to make bonding of locomotive body shell.

With the application of pressure-sensitive adhesives in more fields, the market size shows an expanding trend year by year.

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How to choose the right pressure-sensitive adhesive

The following factors need to be considered in choosing the right pressure-sensitive adhesive:

  1. The initial adhesion of pressure-sensitive adhesive: according to the surface strength of the adhesive material, select the initial adhesive that matches it. If the surface strength of the adhesive is low and the selected initial adhesive is too large, the stripping phenomenon will occur. If the initial adhesive is too small, it will be wrinkled by the adhesive.
  2. Bond strength of pressure-sensitive adhesive: Select the right strength of pressure-sensitive adhesive according to the actual use. If the strength is too large, it may be damaged by clay; If the strength is too small, it may not be able to meet the requirements of strong bonding.
  3. Tape shape of pressure-sensitive adhesive: According to the requirements of the occasion, choose the appropriate pressure-sensitive tape. For example, glass, metal, paper, wood, and other materials need to use different shapes of tape to achieve the bonding effect.
  4. Temperature resistance of pressure-sensitive adhesive: Select the appropriate pressure-sensitive adhesive according to the temperature resistance requirements of the occasion. For example, the high-temperature environment needs to choose a high-temperature pressure-sensitive adhesive, and the low-temperature environment needs to choose a low-temperature pressure-sensitive adhesive.
  5. The resistance of pressure-sensitive adhesive to the medium: according to the requirements of the medium resistance of the occasion, choose the appropriate pressure-sensitive adhesive. For example, pressure-sensitive adhesives used in food, medicine, sanitation, and other industries need to be non-toxic and odorless.
  6. Aging performance of pressure-sensitive adhesive: Select the appropriate pressure-sensitive adhesive according to the aging performance requirements of the occasion. For example, pressure-sensitive adhesives used outdoors need to have good UV resistance.

pressure-sensitive adhesive

In summary, the selection of suitable pressure-sensitive adhesives needs to consider several factors, including initial adhesion, bond strength, shape, temperature resistance, medium resistance, aging performance, etc.

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Most reasons for choosing FOB delivery

There are many reasons for choosing FOB delivery, and this delivery term has some advantages in international trade, so it is adopted in many cases.

Here are some common reasons for choosing FOB delivery:

  1. Fee sharing is clear: In FOB delivery terms, the seller is responsible for delivering the goods to the designated loading port, bearing loading charges and dock charges. The buyer needs to bear the costs of transportation, insurance, customs clearance, etc., from the port of loading to the destination. The cost-sharing is clear, which reduces the uncertainty of the two sides on the cost issue.
  2. Risk transfer is clear: Under FOB delivery conditions, the ownership and risk of the goods pass to the buyer when the goods are loaded on the carrier. This clear transfer of risk helps both parties to clarify their respective responsibilities and reduces the likelihood of disputes.
  3. Flexibility: FOB delivery terms can be adjusted according to different situations and the actual needs of international trade. The seller and the buyer may work out the appropriate loading port and loading method through consultation according to the specific requirements and conditions of the transaction.
  4. Transportation option: The buyer can choose the right mode of transportation and transportation company according to his own needs and budget. This option helps the buyer to choose the most appropriate mode of transportation according to the situation and reduces transportation costs.
  5. Customs clearance convenience: Under FOB delivery conditions, the seller needs to provide shipping documents, such as invoices, bills of lading, etc., to help the buyer complete the customs clearance procedures after the arrival of the goods at the destination.
  6. Applicable to international trade: FOB delivery terms are usually used for sea or inland waterway transport and are suitable for cross-border trade between different countries and regions, so they are widely adopted in international trade.
  7. Clear division of labor: Under FOB delivery conditions, the seller is responsible for delivering the goods to the designated loading port, and the buyer is responsible for transporting the goods from the loading port to the destination. This clear division of Labour helps to improve efficiency.

Customized Service Meeting

Although FOB delivery conditions have many advantages, in practical application, the selection of delivery conditions still needs to be considered comprehensively according to the specific circumstances of the transaction, the nature of the goods, and the interests of both parties.

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Details of risk transfer delivered by EXW

EXW (Ex Works) is a delivery condition in international trade that means the seller places the goods in its factory or warehouse, and the buyer bears all the costs, risks, and formalities to pick up the goods from the seller and ship them out.

The key risk transfer details for EXW delivery are as follows:

  1. Place of Delivery: Under EXW delivery conditions, the Seller is responsible for placing the goods at its factory, warehouse, or other designated place. The Seller’s liability terminates when the goods are placed at the designated place.
  2. Expenses: Under EXW delivery conditions, the Seller shall not be obligated to bear any expenses related to the delivery of the goods from the place of place to the destination, including transportation, insurance, customs clearance, etc. All these costs shall be borne by the buyer.
  3. Risk Transfer: Under EXW delivery conditions, the title and risk of the goods pass to the Buyer when the seller places the goods at the designated place. Once the goods are placed in the designated place, any loss, damage or risk shall be borne by the buyer.
  4. Insurance: Under EXW delivery conditions, the seller has no obligation to purchase insurance for the goods, so the buyer needs to purchase transportation insurance to protect the risks that the goods may encounter during transportation.
  5. Delivery of documents: Under EXW delivery conditions, the Seller is responsible for providing the Buyer with the necessary shipping documents so that the Buyer can carry out customs clearance and transportation procedures at the time of taking delivery of the goods.
  6. Pick-up of goods: The buyer needs to arrange pick-up, transportation, and customs clearance procedures. The seller is usually not involved in the pick-up and transportation of the goods.
  7. Unloading and loading: The Buyer shall bear the costs and liabilities for unloading the goods and for loading the goods onto the means of transport.

Odorless pressure sensitive adhesive

In summary, under EXW delivery conditions, the Seller’s liability is limited to placing the goods at the designated place. Once the goods are placed at the location, the buyer is responsible for all costs, risks, and formalities associated with the transportation, insurance, customs clearance, and delivery of the goods. Therefore, both buyers and sellers need to fully understand the details of EXW’s delivery conditions to ensure the smooth running of the transaction and to clarify their respective responsibilities and obligations.

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Details of risk transfer for FOB delivery

FOB delivery is a common delivery term in international trade, meaning that the seller delivers the goods to the buyer at the designated port of shipment and is responsible for loading the goods onto the means of transport (usually a ship).

The main risk transfer details for FOB delivery are as follows:

  1. Place of delivery: In FOB terms of delivery, the Seller has the responsibility to deliver the goods to the Buyer at the named port of loading, that is, the Seller’s responsibility terminates before the goods are loaded on the means of transport. The buyer shall bear all costs and risks from the departure of the goods from the port of loading to the final destination.
  2. Expenses: Under FOB delivery terms, the seller shall deliver the goods to the loading port and bear the expenses related to loading the goods on the means of transport, such as loading charges, dock charges, etc. The buyer shall bear the transportation, insurance, customs clearance, and other expenses from the loading port to the destination.
  3. Risk transfer: Under FOB delivery conditions, the ownership and risk of the goods pass to the buyer when the goods are loaded on the carrier. Once the goods have been properly loaded onto the vehicle, any damage or loss of the goods will be the responsibility of the buyer.
  4. Insurance: The seller has no obligation to purchase insurance for the goods under FOB delivery conditions, so the buyer usually needs to purchase transportation insurance to protect the risks that the goods may encounter during transportation.
  5. Document delivery: Under FOB delivery conditions, the seller needs to provide the buyer with the necessary shipping documents, such as shipping notice, invoice, bill of lading, etc., so that the buyer can complete the customs clearance and delivery procedures after the arrival of the goods at the destination.

Protective film FCA shipping

In short, under FOB terms of delivery, the seller is responsible to deliver the goods to the named loading port and bear the cost of loading the goods. Once the goods are loaded on the carrier, the ownership and risk will be transferred to the buyer, who needs to bear the costs and risks of the goods during the transportation process, including transportation, insurance, customs clearance, etc. Therefore, in international trade, buyers and sellers need to clearly understand the specific details of FOB delivery conditions to ensure smooth transactions and reduce possible risks.

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The future development trend of protective film

As a functional material, in the context of continuous development and innovation, the following future development trend of protective film may appear:

acrylic pressure sensitive tape

  1. Environmental protection and sustainability: In the case of increasing environmental awareness, the future protective film may pay more attention to environmental protection and sustainability. Developing degradable protective film materials to reduce the impact on the environment will be an important development direction.
  2. High-performance characteristics: The future protective film may pay more and more attention to high-performance characteristics, such as more stable viscosity, stronger wear resistance, better temperature resistance, etc., to meet the higher requirements for protective film in different fields.
  3. Functional protective film: The protective film may not only provide surface protection but also have other functions, such as antibacterial, anti-static, anti-UV, etc., to meet the special needs of different industries.
  4. Intelligent and self-healing: The future protective film may introduce intelligent technology, such as temperature-sensitive self-healing materials, which can automatically repair the damaged place and extend the life of the protective film.
  5. Adaptive design: The protective film may be more customized and adaptive design and the protective film with specific functions and characteristics can be developed according to different application scenarios and requirements.
  6. Digital application: The application of protective film may be combined with digital technology, such as the use of RFID tags to achieve the tracking and management of protective film.
  7. Multi-field application: With the continuous emergence of new industries, the application field of protective film will continue to expand, covering automotive, electronics, medical, energy, and other fields.
  8. Material innovation: The development of new materials that will affect the performance and function of the protective film, such as nanomaterials, bio-based materials, etc., may be applied in the manufacturing of protective film.
  9. Customizable: With the diversification of market demand, the protective film may develop in a more customizable direction to meet the individual needs of different customers.
  10. International standards and regulations: With the increasing importance of environmental protection and product quality, protective films may face stricter international standards and regulations, thus promoting the development of the industry in a higher quality and greener direction.

In short, as a widely used material, the protective film may continue to innovate and develop in performance, function, sustainability, and other aspects in the future to adapt to changing market demand and technology trends.

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