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Home » News » Product Introduction » Why Does Yogurt Stubbornly Stick To The Lid, Wasting Product And Creating Messy Openwиg Experiences?

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Why Does Yogurt Stubbornly Stick To The Lid, Wasting Product And Creating Messy Openwиg Experiences?

Views: 30     Author: Site Editor     Publish Time: 2025-04-10      Origin: Site

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Social research customer needs translated into quality control data


Customer Requirements

Technical Parameters

Weight

Reduce yogurt residue

Hydrophobic layer contact angle ≥170°

30%

Easy to tear

Initial opening force ≤15N

35%

Sealability

Heat sealing strength ≥8N/15mm

20%

Cost control

Unit cost ≤1.5 times traditional film

15%


Hydrophobic Yoghurt Lidding Film: Zero-Residue Packaging Revolution

Super Hydrophobic High Efficiency Yogurt lidding Film - Zero Adhesion, Easy Tear, 100% Seal for Freshness

The Science Behind Sticky-Free Dairy Packaging

Traditional foil/plastic lids fail because:

➔ Low Contact Angle (<90°) allows yogurt adhesion via capillary forces

➔ High Peel Force (20-30N) demands disruptive tearing motions

Hydrophobic Yoghurt Lidding Film solves this through nano-engineered surfaces modeled after lotus leaves. This article reveals how its triple-layer design achieves <10% residue rates while meeting strict food safety standards.

4 Breakthrough Features of Hydrophobic Yoghurt Lidding Film

1. Molecular Armor: Lotus-Inspired Surface

✓ Material: Fluorinated ethylene propylene (FEP) or PDMS coatings

✓ Contact Angle: 170°-175° (superhydrophobic range)

✓ Performance:

Residual yogurt ≤1.2g per 150g cup (ISO 22653:2021)Static friction coefficient <0.15 (vs 0.35 for standard lids)

2. Precision-Engineered Peelability

✓ TLaminate Structure: PET/AL/PE·EVA/FEP (document-QFD optimized)

✓ Peel Force Control:

Force Type

Standard Lids

Hydrophobic Film

Initial Peel

20-30N

10-15N

Heat Seal (48hr)

≥15N/15mm

8-12N/15mm

Consumer tests prove 89% preference for easy-open lids requiring no tools.

3. Retorted

✓ Heat Resistance: Survives 121°C/15min sterilization cycles (SGS validated)

4. Regulatory Compliance

✅ Global Certifications:

FDA 21 CFR 177.1550 (fluoropolymer compliance)EU 10/2011 (non-migration guarantee)GB 4806.7-2016 (China food contact)

Cost-Effective Transition for Manufacturers

Parameter

Our Product (Hydrophobic Cover Film)

Traditional Aluminum Foil Cover Film

Japan TOYAL LOTUS7

Hydrophobic Performance

Contact angle: 170°–175°

Contact angle: <90°

Contact angle: ≥170°

Initial Opening Force

10–15N

20–30N (requires straw assistance)

12–18N

Heat Sealing Strength

8–12N/15mm

15–20N/15mm

10–15N/15mm

Material Cost

~2x traditional film cost

Low

~3x traditional film cost

Case Study: Scaling Innovation

Client: Chinese Dairy Brand

Challenge: 4.8% yogurt waste from lid adhesion

Solution: Hydrophobic Yoghurt Lidding Film with FEP coating

12-Month Results:

➔ Brand Perception: 22% increase in “premium packaging” survey scores

➔ Production: Seamless integration with existing induction sealing lines

Why Transition Now?

▲ Consumer Demand: 63% prefer brands reducing food waste (Innova 2024)

▲ Regulatory Push: EU’s PPWR mandates 25% PCR in packaging by 2025

▲ Profit Leverage: 8% price premium achievable for “clean-peel” labeled SKUs

[CTA] Request Free Material Samples
Super Hydrophobic High Efficiency Yogurt lidding Film - Zero Adhesion, Easy Tear, 100% Seal for Freshness

Yogurt lidding Film

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