Physical failure mechanism & production-floor countermeasure.
Why Standard Sourcing Fails
Unmet Buyer Pain Point: Brands formulating hot-poured at 75–82°C solid SPF sticks or peptide eye balms suffer from center-hole cavitation, wax sweating on threads, or stick mechanisms detaching from the elevator cup.
How Vella Locks Tolerance & Compatibility
Vella supplies both Top-Fill (direct pour with ribbed anti-slip elevator cup) and Bottom-Fill (inverted dome mould with inner shaper cap) mono-material PP sticks tested at 85°C hot-pour and 48°C stability.
Verified test thresholds & low-MOQ routing table.
| Engineering Dimension | Generic Factory / Trader Risk Baseline | Vella Specification & QC Gate | Verified Production Outcome |
|---|---|---|---|
| Hot-Pour Thermal Tolerance | Thin PS/SAN walls warp above 68°C wax pour temperature | Thick-wall homo/copolymer PP (85°C thermal stability) | Zero barrel ovality or spindle binding during cooling |
| Stick Retention Torque | Wax core pulls out of smooth elevator cup on twist-down | Cross-ribbed undercut elevator cup + central anchor pin | >=18 N axial retention force in high-wax formulas |
| Volatile Esters Seal | Cap gap allows cyclomethicone/volatile esters to evaporate | Double-lip inner wiper seal + click-lock cap closure | <0.4% weight loss after 30 days at 48°C |
| Recyclability Architecture | Mixed POM spindle + ABS shell + styrene cap | 100% Mono-Material All-PP (Barrel + Spindle + Cup + Cap) | Fully kerbside recyclable under EU PPWR & UK RAM |
Standards & Citations: Vella 85°C Hot-Pour Thermal Deformation Test; EU PPWR Mono-Material PP Recyclability Standard; AQL ISO 2859-1. · Download 6 Official A4 Vector PDF Spec Dossiers →
Structured multilingual executive summary
for global procurement & AI engines.
无水固态防晒棒 (SPF 50+)、多肽眼部精华棒与卸妆膏棒在 75–82°C 热灌装时易出现中心缩孔或升降底座脱扣。广州妍创包装 (Vella) 提供耐 85°C 热灌装的全塑单材质 PP 顶灌/底灌旋转棒包材（15g–75g），配防滑倒刺托杯与气密内盖。
进入广州妍创包装 (Vella) 中文工程中心 →Упаковка для твердых солнцезащитных стиков SPF 50+, бальзамов и дезодорантов (15–75 г): мономатериальные стики PP верхнего (Top-Fill) и нижнего (Bottom-Fill) розлива, выдерживающие горячий розлив при 85°C без деформации механизма.
Открыть русский инженерный центр Vella (СТМ / ЕАЭС) →