1. Clear Lip Gloss / Lip Oil Polymer & Wiper Engineering Matrix
| Component & Metric | 🏆 Vella Thick-Wall PCTG / PETG Lip Tube | Standard AS / SAN (Styrene-Acrylonitrile) Tube | Engineering Failure Prevented by Vella |
|---|---|---|---|
| Isododecane, Lip Oil & Plumping Ester Resistance | Pass 48°C / 30-Day Soak (Zero Crazing or Thread Cracking) | Fails — develops hairline stress-cracks at neck threads | Prevents cap-thread snapping & oil seepage in transit |
| Drop Impact Toughness (76 cm onto Concrete) | Glass-Like Heavy Clarity + Shatterproof Ductility | Brittle; shatters or chips at base corners on first drop | Eliminates bathroom-tile drop breakage complaints |
| LDPE / TPE Wiper Orifice Tolerance | ±0.05 mm Matched to Stem OD & Jumbo Doe-Foot Flock | ±0.20 mm generic wiper insert | Prevents messy neck-thread pooling OR flock tip shearing off |
| Magnetic Lipstick Pull Force & Compact Hinge | ≥4.0 kgf Bullet Retention · Multi-Pole Magnetic Snap · ≥300-Cycle Hinge | Weak glued magnets uncap inside handbags | Delivers luxury prestige audible click at 500–1,000 pcs stock / 3,000 pcs custom |
Request Physical Bottling & Pump Compatibility Sample Kit + 24h Tiered FOB Quote (48h DHL Dispatch)
Managed directly by Alex Gao (Managing Director, Vella · Guangzhou Yanchuang Packaging Co., Ltd. · USCC 91440111MA59DBE04B · [email protected] · WhatsApp +86 139 2512 2895). Low trial MOQs (~500–1,000 pcs stock, ~2,000–3,000 pcs custom Pantone with cross-component ΔE <= 1.5), -0.08 MPa vacuum leak testing, and 30/40/30 100% client mould ownership.