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Aluminum foil self-adhesive labels are a type of self-adhesive label material made from a composite material of aluminum foil. They typically consist of an aluminum foil layer (or a composite layer of aluminum foil and paper/tape) and an adhesive (pressure-sensitive adhesive). The surface can be processed through printing, coating, etc., and are applied to various object surfaces by means of adhesion. They combine the physical properties of aluminum foil with the convenience of self-adhesive labels. The aluminum foil layer in the base material gives the material a unique metallic texture and barrier properties, which are different from ordinary paper or plastic self-adhesive labels.
Core characteristics of aluminum foil self-adhesive labels
1. Excellent barrier protection performance
Strong barrier: The aluminum foil layer has excellent light-blocking, oxygen-blocking, moisture-proof, and odor-blocking properties, which can effectively isolate light, air, moisture, and odors, protecting the object being labeled (such as food, medicine) and extending their shelf life.
For example, when used for food packaging labels, it can assist in blocking external moisture and oxygen, and together with the packaging itself, enhance the food's preservation effect.
High-temperature resistance and low-temperature resistance: The aluminum foil material itself can withstand a temperature range of -40°C to 200°C (depending on the composite base material and adhesive layer), suitable for refrigeration, freezing (such as ice cream packaging) or high-temperature heating scenarios (such as some food labels that can be microwaved).
2. Metallic texture and appearance characteristics
Significant metallic luster: The surface presents a natural silver-gray metallic texture (or can be coated to be golden, colored, etc.), visually having a high-end, retro, or industrial style decorative effect, enhancing the product packaging's grade.
Printability: The surface can undergo techniques such as relief printing, screen printing, and gold stamping, with a clear contrast between the printed patterns and the metallic base color, and clear and legible text and logos, but attention should be paid to the adhesion between the ink and the aluminum foil (usually requires surface pretreatment).
3. Physical strength and durability
Toughness and resistance to puncturing: The aluminum foil layer itself has certain toughness, and the composite base material (such as aluminum foil + PET film) can further enhance the tensile strength and friction resistance, not easily damaged by compression or collision, suitable for rough or frequently contacted environments.
Good chemical resistance: It has certain resistance to grease, acids, and alkalis, and is not deformed or脱落 after being soaked in liquids， suitable for scenarios where cosmetics and chemical products may come into contact with solvents.
4. Adhesion performance and ease of use
Flexible adhesive selection： Adhesives can be selected based on requirements， such as general adhesives (suitable for smooth surfaces like glass， metal， plastic)， strong adhesives (for rough surfaces)， or removable adhesives (convenient for label replacement)， which do not easily come off and have strong stability.
Wide range of applicable surfaces： Can be adhered to various materials such as metal， ceramic， plastic， paper， etc.， especially suitable for scenarios where an "integrated metallic texture" with the object being labeled is required (such as metal cans， aluminum packaging).
5. Environmental and recycling characteristics
Pure aluminum foil base material can be recycled， but the composite base material (such as aluminum foil + plastic) has a higher recycling difficulty， and the environmental attribute should be judged based on the specific material. Some products use biodegradable adhesives to reduce environmental burden.
6. Special functional expansion
Electrical conductivity (some models)： Pure aluminum foil base material has a certain electrical conductivity， suitable for industrial labels requiring anti-static or electromagnetic shielding (requires high-purity aluminum foil layer).
High-temperature baking resistance： Certain models can withstand high-temperature baking (above 200°C)， suitable for labels for oven food and metalware (requires a high-temperature baking adhesive).
Aluminum foil self-adhesive labels are a type of self-adhesive label material made from a composite material of aluminum foil. They typically consist of an aluminum foil layer (or a composite layer of aluminum foil and paper/tape) and an adhesive (pressure-sensitive adhesive). The surface can be processed through printing, coating, etc., and are applied to various object surfaces by means of adhesion. They combine the physical properties of aluminum foil with the convenience of self-adhesive labels. The aluminum foil layer in the base material gives the material a unique metallic texture and barrier properties, which are different from ordinary paper or plastic self-adhesive labels.
Core characteristics of aluminum foil self-adhesive labels
1. Excellent barrier protection performance
Strong barrier: The aluminum foil layer has excellent light-blocking, oxygen-blocking, moisture-proof, and odor-blocking properties, which can effectively isolate light, air, moisture, and odors, protecting the object being labeled (such as food, medicine) and extending their shelf life.
For example, when used for food packaging labels, it can assist in blocking external moisture and oxygen, and together with the packaging itself, enhance the food's preservation effect.
High-temperature resistance and low-temperature resistance: The aluminum foil material itself can withstand a temperature range of -40°C to 200°C (depending on the composite base material and adhesive layer), suitable for refrigeration, freezing (such as ice cream packaging) or high-temperature heating scenarios (such as some food labels that can be microwaved).
2. Metallic texture and appearance characteristics
Significant metallic luster: The surface presents a natural silver-gray metallic texture (or can be coated to be golden, colored, etc.), visually having a high-end, retro, or industrial style decorative effect, enhancing the product packaging's grade.
Printability: The surface can undergo techniques such as relief printing, screen printing, and gold stamping, with a clear contrast between the printed patterns and the metallic base color, and clear and legible text and logos, but attention should be paid to the adhesion between the ink and the aluminum foil (usually requires surface pretreatment).
3. Physical strength and durability
Toughness and resistance to puncturing: The aluminum foil layer itself has certain toughness, and the composite base material (such as aluminum foil + PET film) can further enhance the tensile strength and friction resistance, not easily damaged by compression or collision, suitable for rough or frequently contacted environments.
Good chemical resistance: It has certain resistance to grease, acids, and alkalis, and is not deformed or脱落 after being soaked in liquids， suitable for scenarios where cosmetics and chemical products may come into contact with solvents.
4. Adhesion performance and ease of use
Flexible adhesive selection： Adhesives can be selected based on requirements， such as general adhesives (suitable for smooth surfaces like glass， metal， plastic)， strong adhesives (for rough surfaces)， or removable adhesives (convenient for label replacement)， which do not easily come off and have strong stability.
Wide range of applicable surfaces： Can be adhered to various materials such as metal， ceramic， plastic， paper， etc.， especially suitable for scenarios where an "integrated metallic texture" with the object being labeled is required (such as metal cans， aluminum packaging).
5. Environmental and recycling characteristics
Pure aluminum foil base material can be recycled， but the composite base material (such as aluminum foil + plastic) has a higher recycling difficulty， and the environmental attribute should be judged based on the specific material. Some products use biodegradable adhesives to reduce environmental burden.
6. Special functional expansion
Electrical conductivity (some models)： Pure aluminum foil base material has a certain electrical conductivity， suitable for industrial labels requiring anti-static or electromagnetic shielding (requires high-purity aluminum foil layer).
High-temperature baking resistance： Certain models can withstand high-temperature baking (above 200°C)， suitable for labels for oven food and metalware (requires a high-temperature baking adhesive).
