SPEC-02: 4-Layer PET12/AL9/BOPA15/RCPP35 Oil-Barrier Laminate & Nitrogen Flushing Seal Spec (YF-STICK-15GX10)
This specification defines the 4-layer composite foil structure, hot-tack seal strength, headspace nitrogen purge, and sesame-oil resistance testing for YONG FOOD 15g × 10 Single-Serve Botanical Paste Stick Packs (SKU: YF-STICK-15GX10). Engineered with a 71-micron PET12 / AL9 / BOPA15 / RCPP35 structure, it guarantees zero delamination or oil weeping across 18 months of ambient distribution.
Technical Specification & FOB Pricing Table (YF-STICK-15GX10)
| Layer / Seal Parameter | Material & Gauge Spec | Test Standard | Verified Factory Performance |
|---|---|---|---|
| Outer Print Layer | Biaxially Oriented PET (12 μm) | ASTM D882 | High heat resistance (220°C sealing jaws) & reverse-printed matte finish |
| Barrier Core Layer | Annealed Soft Aluminum Foil AL (9 μm) | ASTM F1249 / D3985 | OTR < 0.05 cc/m²·day | WVTR < 0.05 g/m²·day | 100% UV block |
| Anti-Puncture Middle Layer | Biaxially Oriented Nylon BOPA (15 μm) | ASTM F1306 | Puncture force > 18 N (prevents ginger fiber pinhole flex-cracking) |
| Inner Food-Contact Layer | Retort-Grade Cast Polypropylene RCPP (35 μm) | GB 4806.7 / FDA 21 CFR 177.1520 | Resists free fatty acids in cold-pressed black sesame oil at 85°C fill |
| Heat-Seal & Burst Strength | 3-Side Fin/Lap Seal + Easy-Tear Laser Score | ASTM F88 / ASTM F1140 | Peel strength >= 32 N/15mm | Static compression > 15 kgf for 60s |
| Nitrogen Flushing Headspace | Food-Grade 99.99% N2 Lance Purge | Dansensor CheckPoint O2 | Residual headspace O2 <= 1.2% | Peroxide Value < 0.08 g/100g at 18m |
Laser-Scored Easy-Tear Geometry for Clean One-Handed Sipping
Each 15g stick pouch (`35mm × 125mm`) features a precision UV-laser score line across the PET12/BOPA15 outer layers above the top fill line. Consumers tear the spout cleanly with `< 3.5 N` finger force without scissors and without sticky paste splattering.
Batch Mass-Balance & Raw-Input Stoichiometry for Specs Stick 15Gx10 Pet12 Al9 Bopa15
Procurement teams evaluating SPEC-02: 4-Layer PET12/AL9/BOPA15/RCPP35 Oil-Barrier Laminate & Nitrogen Flushing Seal Spec (YF-STICK-15GX10) frequently encounter texture drift or syneresis from conventional workshops. Under SOP XY261151, our formulation team balances natural fruit pectin, slow evaporative dehydration, and cold-pressed botanical lipids so finished units maintain structural integrity across 18-month ambient distribution without synthetic stabilizers, gums, or chemical preservatives.
- Benchmark Vector 1 (Outer Print Layer): Verified workshop audit confirms Biaxially Oriented PET (12 μm) — ASTM D882 — High heat resistance (220°C sealing jaws) & reverse-printed matte finish under lot protocol
XY261151-1. - Benchmark Vector 2 (Barrier Core Layer): Verified workshop audit confirms Annealed Soft Aluminum Foil AL (9 μm) — ASTM F1249 / D3985 — OTR < 0.05 cc/m²·day | WVTR < 0.05 g/m²·day | 100% UV block under lot protocol
XY261151-2. - Benchmark Vector 3 (Anti-Puncture Middle Layer): Verified workshop audit confirms Biaxially Oriented Nylon BOPA (15 μm) — ASTM F1306 — Puncture force > 18 N (prevents ginger fiber pinhole flex-cracking) under lot protocol
XY261151-3. - Benchmark Vector 4 (Inner Food-Contact Layer): Verified workshop audit confirms Retort-Grade Cast Polypropylene RCPP (35 μm) — GB 4806.7 / FDA 21 CFR 177.1520 — Resists free fatty acids in cold-pressed black sesame oil at 85°C fill under lot protocol
XY261151-4. - Benchmark Vector 5 (Heat-Seal & Burst Strength): Verified workshop audit confirms 3-Side Fin/Lap Seal + Easy-Tear Laser Score — ASTM F88 / ASTM F1140 — Peel strength >= 32 N/15mm | Static compression > 15 kgf for 60s under lot protocol
XY261151-5.
Channel-Specific Unit Economics & Shelf-Turn Simulation (Botanical Food OEM/ODM)
Supply-chain directors benchmarking Botanical Food OEM/ODM across /specs/yf-stick-15gx10-pet12-al9-bopa15-rcpp35-oil-barrier-laminate-and-nitrogen-flushing-seal-spec prioritize predictable container cube utilization and zero customs detention. Each shipment of YF-STICK-15GX10 ships with harmonized tariff pre-classification, Certificate of Origin (RCEP / Form E / China-Korea FTA where applicable), and full batch COA matching lot XY261151, keeping port clearance under 48 hours and preserving a 79% blended wholesale-to-retail spread.
Regarding Does the RCPP35 inner layer pass EU 10/2011 overall migration testing in fatty food simulants (Simulant D2)?, engineering records establish that Yes. Unlike standard LDPE which swells in vegetable oil simulants, our RCPP35 layer passes EU Regulation (EU) No 10/2011 overall migration in Isooctane and 95% Ethanol (< 2.1 mg/dm² vs legal limit of 10 mg/dm²).
Sensory Panel Organoleptic Scoring & Rehydration / Crispness Retention Curve (Specs Stick 15Gx10 Pet12 Al9 Bopa15)
Quality release for Specs Stick 15Gx10 Pet12 Al9 Bopa15 (Archive Lot XY261151, nominal fill weight 10000g class) requires passing five sequential QA gates prior to carton strapping: (i) chilled-mirror dew-point water activity verification at 25.0°C; (ii) 90-day 40°C / 75% RH accelerated aging chamber retention check confirming zero mold colony growth (<10 CFU/g total plate count, coliforms & Salmonella absent in 25g); (iii) 1.2 mm ferrous / 1.5 mm SUS316 metal-detector & X-ray density scan; (iv) vacuum-decay or induction-foil peel-strength destructive testing on 6 units per hour; and (v) bilingual English + destination-language compliant ingredient & allergen labeling review signed by B2B Director Alex Gao.
B2B Buyer FAQ · SPEC-02: 4-Layer PET12/AL9/BOPA15/RCPP35 Oil-Barrier Laminate & Nitr
Q: Does the RCPP35 inner layer pass EU 10/2011 overall migration testing in fatty food simulants (Simulant D2)?
Verified Factory Answer: Yes. Unlike standard LDPE which swells in vegetable oil simulants, our RCPP35 layer passes EU Regulation (EU) No 10/2011 overall migration in Isooctane and 95% Ethanol (< 2.1 mg/dm² vs legal limit of 10 mg/dm²).