Adhesive Requirements for Protective Film on Rough Surfaces

For protective films applied on rough surfaces, higher adhesive requirements are usually needed to ensure the film adheres firmly to the surface and provides effective protection.

Here are some considerations for adhesive requirements for protective film on rough surfaces:

1. Strong Adhesion: Rough surfaces typically have more irregularities, so the protective film requires strong adhesion to prevent it from peeling or loosening during transportation, handling, and installation.

2. Filling Capability: The protective film needs to have a certain filling capability to cover and fill the depressions and uneven parts on the rough surface, providing a uniform protective layer.

3. Adaptability: Rough surfaces can have various shapes and textures, and the protective film should possess strong adaptability to closely fit the surface and cover all the detailed parts.

4. Abrasion Resistance: As rough surfaces are prone to abrasion and scratching, the protective film requires good abrasion resistance to prevent surface damage.

5. Temperature Resistance: Rough surfaces may be exposed to different temperature environments, and the protective film needs to have good temperature resistance, ensuring it does not deform or detach due to temperature changes.

6. Tear Strength: Rough surfaces can exert a greater pulling force on the protective film, so the film needs to have sufficient tear strength to prevent tearing or damage.

a pressure sensitive adhesive

In practical applications, to meet the adhesive requirements for protective film on rough surfaces, special adhesives with high adhesion and durability are often chosen to ensure the film effectively adheres to the surface and remains stable during use. Additionally, adjusting the film thickness and coverage method can enhance the film’s adhesion and filling capability.

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Difference between using oil-based adhesive and water-based adhesive in the production of protective film

There are some differences between using oil-based adhesive and water-based adhesive in the production of protective film, mainly concerning the composition, performance, and environmental impact of the adhesives.

Here are their differences:

1. Adhesive composition:

– Oil-based adhesive: Oil-based adhesive is a solvent-based adhesive, typically composed of organic solvents, resins, and additives. Before use, the organic solvents need to evaporate, leaving behind the adhesive layer.

– Water-based adhesive: Water-based adhesive is water-based and typically composed of water, emulsifiers, resins, and other additives. It does not require organic solvents and can be used directly.

2. Performance differences:

– Oil-based adhesive: Due to the presence of organic solvents, oil-based adhesive has a strong odor and volatility during use. Additionally, it takes longer to dry and form a stable adhesive layer.

– Water-based adhesive: Water-based adhesive, as it does not contain organic solvents, has little to no odor during use, making it more environmentally and user-friendly. Moreover, it dries faster, allowing for a quicker formation of a stable adhesive layer.

3. Environmental impact:

– Oil-based adhesive: The presence of organic solvents in oil-based adhesive results in the release of volatile organic compounds (VOCs) during use, causing certain environmental pollution.

– Water-based adhesive: Water-based adhesive, as it lacks organic solvents, does not emit VOCs during use, resulting in a lesser environmental impact.

using oil-based adhesive and water-based adhesive

In conclusion, water-based adhesive is more favored in the production of protective film as it is more environmentally friendly, easier to use, and has a smaller impact on the health of operators. While oil-based adhesive may have certain advantages in specific applications, water-based adhesive is generally preferred for its overall benefits.

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Protective film Ex Works delivery

“Protective film Ex Works delivery” is an international trade term that represents “Ex Works” or “Ex Factory” delivery.

In this delivery method, the seller’s responsibility is to have the goods ready and available for the buyer at a specified location, typically the seller’s factory, warehouse, or other business premises. The seller places the goods at the specified location, and the buyer is responsible for arranging and bearing the transportation, insurance, customs clearance, and related costs.

Detailed explanation:

Let’s consider a scenario where a Chinese company (buyer) and a German company (seller) have entered into a transaction for protective film products, and they have agreed to use the EXW delivery method. According to the EXW terms, the German company’s responsibility is to have the protective film products ready and deliver them to the buyer at its factory.

Here’s a specific example:

  1. Contract agreement: The price of the protective film products is 6000 euros, and the delivery location is the seller’s factory in Germany (specified location).
  2. Seller’s responsibility: According to the EXW terms, the seller prepares the protective film products and places them at the specified delivery location within its factory in Germany. At this stage, the seller has fulfilled its delivery responsibility.
  3. Pickup: The buyer is responsible for arranging the pickup, which means taking the goods from the seller’s factory and transporting them to the destination. The buyer needs to arrange the transportation method, transportation company, and relevant transportation insurance.
  4. Transportation and customs clearance: Once the goods leave the seller’s factory, the buyer is responsible for the safety and risk of the goods during transportation. The buyer also needs to handle the export and import customs clearance procedures and pay relevant tariffs, taxes, and other fees.
  5. Arrival at the destination: Once the goods arrive at the destination, the buyer is responsible for unloading and further handling the goods, such as storing them in a warehouse or installing and using them.

Protective film Ex Works (EXW) delivery

In summary, protective film Ex Works (EXW) delivery means that the seller’s responsibility is to have the goods ready and deliver them to the buyer at a specified location. The buyer is responsible for arranging and bearing the transportation, insurance, customs clearance, and related costs. Under this delivery method, the buyer assumes the risks and responsibilities of transporting the goods.

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Protective Film CIF Shipping

“Protective film CIF shipping” is an international trade term where CIF stands for “Cost, Insurance, and Freight.”

In this shipping method, the seller is responsible for delivering the goods to the designated destination port and bears all the costs, transportation fees, and insurance charges to transport the goods to the destination port. Once the goods arrive at the destination port, the buyer is responsible for completing the import clearance procedures and bears the transportation and related costs to transport the goods from the destination port to the final destination.

Detailed explanation:

Let’s consider a scenario where a Chinese company (buyer) and a US company (seller) have entered into a transaction for protective film products, and they agree to use CIF shipping terms. According to the CIF terms, the US company’s responsibility is to deliver the goods to the designated destination port, including all transportation fees, sea freight, and insurance charges. The seller needs to purchase insurance for the goods during transportation and ensure that the goods are adequately covered.

Here’s a specific example:

  1. Contract agreement: The price of the protective film products is 8000 USD, and the delivery location is a port in China (the destination port).
  2. Seller’s responsibility: According to the CIF terms, the seller is responsible for transporting the goods to the designated destination port, which includes all transportation fees, sea freight, and insurance charges. The seller arranges a suitable carrier or international logistics company to transport the goods from the US to the destination port in China. The safety and responsibility of the goods during transportation are the seller’s responsibility.
  3. Arrival at the destination port: Once the goods arrive at the destination port in China, the seller notifies the buyer that the goods have arrived and provides relevant documents such as the shipping notice and bill of lading.
  4. Buyer’s responsibility: Upon the goods’ arrival at the destination port, the buyer is responsible for completing the import clearance procedures, paying import duties and other related charges, and arranging the transportation and related costs to transport the goods from the destination port to the final destination.

Protective film CIF shipping

In summary, protective film CIF shipping means that the seller is responsible for transporting the goods to the designated destination port and bears all transportation fees and insurance charges. Once the goods arrive at the destination port, the buyer is responsible for completing the import clearance procedures and arranging the transportation and related costs to transport the goods to the final destination.

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Protective Film FCA Shipping

“Protective film FCA shipping” is an international trade term where FCA stands for “Free Carrier.”

It means that the seller delivers the goods to the designated carrier or specified location, and the seller’s responsibility is completed at this point. The buyer is then responsible for arranging the transportation of the goods and related costs.

Detailed explanation:

Let’s consider a scenario where a Chinese company (buyer) and a German company (seller) have entered into a transaction for protective film products, and they agree to use FCA shipping terms. According to the FCA terms, the seller’s responsibility is to deliver the goods to the designated carrier or specified location, typically at the seller’s factory or warehouse in Germany.

Here’s a specific example:

  1. Contract agreement: The price of the protective film products is 5000 euros, and the delivery location is a factory in Germany.
  2. Seller’s responsibility: According to the FCA terms, the seller prepares the goods at their factory in Germany and delivers the goods to the designated carrier or at the specified location, such as the loading area in the factory.
  3. Buyer’s responsibility: Once the goods are delivered to the designated carrier or specified location, the seller’s responsibility is completed. Now, the buyer is responsible for arranging the transportation of the goods and paying related costs, such as international shipping fees, insurance fees, import duties, etc.
  4. Transportation arrangements: The buyer can choose a suitable carrier or international logistics company to transport the goods. They can negotiate with the logistics company about the mode and timing of transportation, such as sea freight or air freight, and arrange for the goods to be transported from Germany to the destination in China.
  5. Costs and risks: From the moment the goods are delivered to the carrier or specified location, the buyer is responsible for paying all transportation and related costs and bears the risk of the goods during transportation until the goods arrive at the destination in China and complete the delivery.

Protective film FCA shipping

In summary, protective film FCA shipping means that the seller prepares the goods in Germany and delivers them to the designated carrier or location, after which the seller’s responsibility ends. The buyer is then responsible for arranging international transportation of the goods and paying all related costs and risks.

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Protective Film FOB Shipping

“Protective film FOB shipping” refers to the transportation method and responsibility allocation of protective film products in international trade.

FOB (Free On Board) is an international trade term that indicates the seller delivers the goods to the designated loading port and completes the delivery when the goods are loaded onto the vessel. At this point, the seller’s responsibility and costs end, and the buyer becomes responsible for the shipment of the goods on the vessel and all subsequent costs and risks.

For example, let’s assume a Chinese company orders a batch of protective film products from a company in the United States and agrees to use FOB shipping terms.

According to the FOB terms, the seller (the US company) is responsible for delivering the goods to the designated loading port (e.g., the Port of Los Angeles) and paying for the loading of the goods. Once the goods are loaded onto the vessel, the seller’s responsibility is considered fulfilled, and at this point, the ownership and risk of the goods transfer to the buyer (the Chinese company).

Protective film FOB shipping

In this example, “protective film FOB shipping” means that the US company delivers the goods to the Port of Los Angeles and pays for the loading cost. Once the goods are loaded on the vessel, the ownership and responsibility for the goods are transferred to the Chinese company, including the shipment cost and risk of the goods while on the vessel. From this point onward, the Chinese company is responsible for transporting protective film products and all related costs and risks.

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The Role of Emulsifiers in Adhesive Products

Emulsifiers play an important role in adhesive products. The following are the roles of emulsifiers in adhesive products:

1. Promote emulsion stability: Emulsifiers are usually used to form a uniform emulsion from insoluble components in liquid adhesives (such as resin and water). Emulsifiers have the property of reducing the surface tension of the liquid and can effectively disperse insoluble substances together, thus enhancing emulsification stability.

2. Improve viscosity and fluidity: Emulsifiers can improve the viscosity and fluidity of liquid adhesives, making them easier to handle and apply. Emulsifiers reduce the viscosity of the adhesive and increase its fluidity, making it easier to coat, apply, and pour.

3. Improve bonding performance: The surfactant in the emulsifier can form a film between the resin and the surface to improve bonding performance. Due to the presence of emulsifiers, the resin can better contact the surface and form a uniform adhesive layer.

4. Increase stability and durability: Emulsifiers can improve the stability and durability of adhesives. Emulsifiers reduce the accumulation of resin particles and prevent the adhesive from delamination, precipitation, or deterioration during storage and use.

5. Adjust the performance of adhesives: The selection and use of emulsifiers can adjust the performance of adhesives. Different emulsifiers can affect the viscosity, drying time, curing speed, bond strength, and other characteristics of the adhesive, so that it can meet different application requirements.

emulsifiers in adhesive products

It should be noted that the type and amount of emulsifier should be determined according to the specific adhesive composition and the desired properties. The correct selection and use of emulsifiers can improve the quality and performance of adhesives, and improve the reliability and effectiveness of their applications.

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PE film is more environmentally friendly than PET film

PE film has some advantages over PET  film in terms of environmental protection. Here are some relevant comparisons and explanations:

1. Materials Renewable energy: PE (polyethylene) film is made of polyethylene, and polyethylene is refined from non-renewable energy sources such as oil and natural gas. In contrast, PET films are made from chemical raw materials such as poly terephthalic acid and ethylene glycol, which rely mainly on fossil fuels and are not renewable.

2. Degradability: PE film can be degradable, especially when a biodegradable PE film material is selected. This means that under the right conditions, PE film can be degraded into smaller particles in a short time and integrated into the natural environment, reducing the impact on the environment. PET film is generally not degradable.

3. Energy and water use: Making PET (polyethylene terephthalate) film requires more energy and water resources, while PE film manufacturing uses less energy and water. Because PE films only need to be manufactured at lower temperatures and pressures, they can reduce the need for energy and water.

PE film

However, it is important to note that environmental assessment should consider the entire product life cycle, including production, use, and disposal of all stages of the impact. In addition, when considering environmental factors, it is also necessary to consider the function, performance, and specific requirements of the membrane. Therefore, in practical applications, the selection of suitable membrane materials should consider several factors, including environmental protection, performance, feasibility, and economy.

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Use cycle of the protective film

The service life of the protective film depends on a variety of factors, including the material of the protective film, the application field, the use environment, and the use mode.

Generally speaking, the service cycle of the protective film can have the following situations:

1. One-time use: Some protective films are suitable for one-time use, such as protective films used during packaging and transportation. These membranes are often removed and discarded after the item reaches its destination and do not have reusable properties.

2. Regular replacement: Some protective films need to be replaced according to a specific cycle to ensure their effectiveness. For example, the screen protector or body film of an electronic product may need to be replaced after a certain period to maintain its good protection effect.

3. Long-term use: Other protective films may have a long service life and can withstand a longer time of use and environmental impact. These membranes are usually highly durable and provide continuous protection for the item. For example, protective film or agricultural film on some building materials may require months or even years of use.

Although the protective film may have a certain life cycle, it also needs to be evaluated and managed according to the specific situation. If the protective film appears significantly damaged, worn, or reduced viscosity, etc., it may need to be replaced in time to maintain its effectiveness. In addition, regular inspection of the performance and quality of the protective film, and maintenance and cleaning of it, can extend the service life and maintain its function.

Use cycle of the protective film

Most importantly, depending on the application field and the characteristics of the protective film, following the manufacturer’s guidance and instructions for use is the key to ensuring that the protective film lasts.

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Installing and Removing Protective Film Correctly

The correct installation and removal of the protective film is very important to ensure the performance of the protective film and the effective protection of items. Here are some common precautions for installing and removing protective film:

When installing protective film:
  1. Preparation: Clean and prepare the surface of the item before installation. Make sure the surface is dry, flat, and free of dust, grease, or other impurities.
  2. Wet paste method: For some protective films, the wet paste method can be taken to reduce the generation of bubbles and folds. First, spray the protective film with an appropriate amount of cleaning solution, and then paste the film on the surface of the product, and gently wipe it with a scraper to ensure that the film is fully fitted to the surface of the product.
  3. Flat and fit: Ensure the flat level of the surface of the protective film to avoid bubbles or folds. Using a tool such as a scraper or rigid plastic card, scrape away excess air and water from the center to the edges.
When removing  protective film:
  1. Walk carefully: When removing the protective film, be careful to avoid damaging the surface of the item. Use an appropriate tool, such as a scraper or plastic sheet, to slowly remove the protective film from the surface of the product.
  2. Pay attention to the direction: according to the characteristics of the protective film, pay attention to the correct removal direction. Some protective films may have a sticky side, peel it off slowly to avoid straining or scratching the surface of the item.
  3. Cleaning residue: After removing the protective film, sometimes there will be some glue or residue. Using an appropriate cleaner or liquid, wipe the surface of the item to remove glue or residue and ensure that the surface is smooth.

installing

It is important to emphasize the correct installation and removal of the protective film to avoid potential damage and ensure the effectiveness and life of the protective film. It is also important to follow the manufacturer’s instructions or instructions for use, as different types of protective films may require specific installation and removal methods.

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