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The Grade A Aluminum Foil Heat Seal Lid is a cutting-edge closure solution designed to seal plastic containers (including PP, PS, PET, and PVC) with unparalleled precision. Engineered to deliver airtight sealing, superior moisture resistance, and tamper-evident security, it is a critical component for preserving product freshness and extending shelf life. Constructed from 33-micron 8011 aluminum foil—a material chosen for its barrier properties—and coated with a high-performance heat-seal lacquer, this lid blocks oxygen, light, and contaminants that can degrade food, pharmaceuticals, and cosmetics. Trusted by industries worldwide, it meets FDA, LFGB, and ISO 9001:2015 standards, making it suitable for yogurt cups, soup bowls, sauce containers, and even medical vials.
Parameter | Value |
Material | 8011 aluminum foil + heat-seal lacquer |
Thickness | 33 microns |
Sealing Temperature | 180°C to 250°C |
Peel Force | 5-8 N/cm (easy-peel variant) |
Certifications | FDA, LFGB, ISO 9001:2015 |
Printing Options | Up to 8 colors (CMYK + spot colors) |
MOQ | 50,000 pieces |
The heat-seal lacquer coating is formulated to create a molecular bond with PP, PS, PET, and PVC container rims, ensuring a 100% leak-proof closure that reduces product spoilage by 90% compared to traditional lids .
A built-in tamper-evident design—featuring a frangible seal strip along the edge—provides visual confirmation of product integrity; any attempt to open the lid leaves a clear, irreversible mark.
Full-surface offset printing capabilities support vibrant, high-resolution logos, brand messaging, and nutritional information, enhancing shelf appeal and brand recognition in competitive retail environments.
Flexible die-cut shapes—including round, square, oval, and custom contours—accommodate container diameters ranging from 5cm to 15cm, ensuring a perfect fit for diverse packaging needs.
Made entirely from 100% recyclable aluminum, the lid contributes to circular economy practices, allowing consumers to recycle it alongside other aluminum products after use.
Its lightweight construction (33 microns) reduces packaging weight by up to 20% compared to plastic or composite lids, lowering carbon emissions during transportation .
Dairy products: Extends the shelf life of yogurt, cream cheese, and sour cream by 5-7 days by preventing whey separation and microbial growth.
Ready-to-eat meals & soups: Maintains texture and flavor during refrigerated storage, while the secure seal prevents leaks during transit from stores to homes.
Medical packaging: Ensures sterile conditions for ointment jars, pill containers, and diagnostic reagent vials, protecting sensitive formulations from contamination.
Cosmetic products: Shields creams, lotions, and serums from UV light and oxidation, preserving active ingredients like retinol and vitamin C.
Condiments & sauces: Provides puncture resistance for ketchup, mustard, and salad dressing packets, preventing leaks in takeout bags and lunch boxes.
Single-serve portions: Ideal for coffee creamer cups, honey packets, and dessert toppings, offering convenience for on-the-go consumption.
Q: What types of containers are compatible with this heat seal lid?
A: It forms a secure seal with PP, PS, PET, and PVC containers featuring either smooth or embossed rims; we recommend testing with custom container designs to ensure optimal performance.
Q: Is the lid easy to peel off for consumers?
A: Yes. The easy-peel variant is engineered with a controlled peel force of 5-8 N/cm—strong enough to prevent accidental opening but gentle enough for effortless removal without leaving residue .
Q: Can the lid withstand microwave heating?
A: While the lid is heat-resistant up to 250°C during the sealing process, it should be completely removed before microwaving to avoid arcing or sparking.
Q: What customization options are available for branding?
A: We offer full-color printing, logo embossing, matte or glossy finishes, and custom die-cut shapes to align with your brand identity.
Q: How should the lids be stored to maintain performance?
A: Store in a dry, cool environment (15°C-25°C, humidity <60%) to prevent lacquer degradation. When stored properly, the lids remain effective for 24 months from the production date.
The Grade A Aluminum Foil Heat Seal Lid is a cutting-edge closure solution designed to seal plastic containers (including PP, PS, PET, and PVC) with unparalleled precision. Engineered to deliver airtight sealing, superior moisture resistance, and tamper-evident security, it is a critical component for preserving product freshness and extending shelf life. Constructed from 33-micron 8011 aluminum foil—a material chosen for its barrier properties—and coated with a high-performance heat-seal lacquer, this lid blocks oxygen, light, and contaminants that can degrade food, pharmaceuticals, and cosmetics. Trusted by industries worldwide, it meets FDA, LFGB, and ISO 9001:2015 standards, making it suitable for yogurt cups, soup bowls, sauce containers, and even medical vials.
Parameter | Value |
Material | 8011 aluminum foil + heat-seal lacquer |
Thickness | 33 microns |
Sealing Temperature | 180°C to 250°C |
Peel Force | 5-8 N/cm (easy-peel variant) |
Certifications | FDA, LFGB, ISO 9001:2015 |
Printing Options | Up to 8 colors (CMYK + spot colors) |
MOQ | 50,000 pieces |
The heat-seal lacquer coating is formulated to create a molecular bond with PP, PS, PET, and PVC container rims, ensuring a 100% leak-proof closure that reduces product spoilage by 90% compared to traditional lids .
A built-in tamper-evident design—featuring a frangible seal strip along the edge—provides visual confirmation of product integrity; any attempt to open the lid leaves a clear, irreversible mark.
Full-surface offset printing capabilities support vibrant, high-resolution logos, brand messaging, and nutritional information, enhancing shelf appeal and brand recognition in competitive retail environments.
Flexible die-cut shapes—including round, square, oval, and custom contours—accommodate container diameters ranging from 5cm to 15cm, ensuring a perfect fit for diverse packaging needs.
Made entirely from 100% recyclable aluminum, the lid contributes to circular economy practices, allowing consumers to recycle it alongside other aluminum products after use.
Its lightweight construction (33 microns) reduces packaging weight by up to 20% compared to plastic or composite lids, lowering carbon emissions during transportation .
Dairy products: Extends the shelf life of yogurt, cream cheese, and sour cream by 5-7 days by preventing whey separation and microbial growth.
Ready-to-eat meals & soups: Maintains texture and flavor during refrigerated storage, while the secure seal prevents leaks during transit from stores to homes.
Medical packaging: Ensures sterile conditions for ointment jars, pill containers, and diagnostic reagent vials, protecting sensitive formulations from contamination.
Cosmetic products: Shields creams, lotions, and serums from UV light and oxidation, preserving active ingredients like retinol and vitamin C.
Condiments & sauces: Provides puncture resistance for ketchup, mustard, and salad dressing packets, preventing leaks in takeout bags and lunch boxes.
Single-serve portions: Ideal for coffee creamer cups, honey packets, and dessert toppings, offering convenience for on-the-go consumption.
Q: What types of containers are compatible with this heat seal lid?
A: It forms a secure seal with PP, PS, PET, and PVC containers featuring either smooth or embossed rims; we recommend testing with custom container designs to ensure optimal performance.
Q: Is the lid easy to peel off for consumers?
A: Yes. The easy-peel variant is engineered with a controlled peel force of 5-8 N/cm—strong enough to prevent accidental opening but gentle enough for effortless removal without leaving residue .
Q: Can the lid withstand microwave heating?
A: While the lid is heat-resistant up to 250°C during the sealing process, it should be completely removed before microwaving to avoid arcing or sparking.
Q: What customization options are available for branding?
A: We offer full-color printing, logo embossing, matte or glossy finishes, and custom die-cut shapes to align with your brand identity.
Q: How should the lids be stored to maintain performance?
A: Store in a dry, cool environment (15°C-25°C, humidity <60%) to prevent lacquer degradation. When stored properly, the lids remain effective for 24 months from the production date.
