Industries · Packaging
EAA, EMAA, EVA, EVOH, and PPS engineering polymers for multilayer films, aluminum lamination, vacuum skin packaging (VSP), modified atmosphere packaging (MAP), retort pouches, and dairy aseptic packaging. Reference overview for B2B packaging procurement.
Industry Overview
A reference overview of engineering plastics used in flexible packaging, multilayer extrusion, lamination, vacuum skin packaging, and retort food packaging.
Modern packaging films are typically 5–9 layer co-extruded structures combining a structural polyethylene outer layer, an EVOH barrier layer for oxygen and aroma protection, and an EAA or EMAA tie resin layer that bonds the dissimilar polymers together. Proper tie-layer selection and extrusion line tuning are critical for interlayer adhesion and downstream converting performance.
EMAA (ethylene-methyl acrylic acid copolymer) is the workhorse top web for vacuum skin packaging of fresh meat, fish, and cheese. The high melt strength and deep-draw thermoforming behavior of EMAA allow thin-gauge films (60–100 μm) to conform tightly to irregular product shapes, extending refrigerated shelf life by 2–4× compared to traditional overwrap.
Retort pouches and aseptic carton packaging require multilayer structures that can survive 121–135 °C sterilization temperatures while maintaining oxygen barrier performance. EVOH provides the barrier, while specially formulated PP or PE outer layers provide the heat resistance. Our portfolio includes dedicated retort-grade EVOH (e.g. Soarnol DC3203) and high-temperature tie resins.
Jinsutong supplies a complete packaging polymer portfolio — EAA, EMAA, EVA, and EVOH — plus tie resins (Bynel, Plexar) and additive masterbatches. Whether you are designing a new multilayer film, troubleshooting adhesion, or evaluating domestic alternatives, our business team and technical partners can support your project from concept to production.
Recommended Grades
A selection of commonly traded packaging polymer grades for multilayer films, aluminum lamination, vacuum skin packaging, and retort applications.
| Grade | Manufacturer | Type | Features | Typical Use |
|---|---|---|---|---|
| Nucrel® 0910HSNo vendor TDS · source on request | DuPont (now Dow) | EAA 9.5% AA | High adhesion to aluminum foil | Aluminum lamination, foil/paper/PE |
| Nucrel® 2806No vendor TDS · source on request | DuPont (now Dow) | EAA 7.5% AA | Lower seal initiation, clarity | Extrusion coating on paper/board |
| Escor® 5200Internal snapshot · original TDS on request | ExxonMobil | EMAA | High melt strength, deep draw | Vacuum skin packaging (VSP) top web |
| Escorene™ Ultra UL 00728Internal snapshot · original TDS on request | ExxonMobil | EVA 7.5% VA | High clarity, low temperature seal | Flexible packaging inner seal layer |
| Escorene™ Ultra FL 00328No vendor TDS · source on request | ExxonMobil | EVA 3.4% VA | Good processability | Solar encapsulation film, lamination |
| EVAL™ E171BNo vendor TDS · source on request | Kuraray | EVOH 32 mol% ethylene | High barrier, balanced properties | Multilayer barrier films, dairy |
| EVAL™ F101BInternal snapshot · original TDS on request | Kuraray | EVOH 32 mol% ethylene | High barrier, film extrusion | Flexible packaging barrier layer |
| Soarnol™ DC3203Internal snapshot · original TDS on request | Nippon Gohsei (Mitsubishi Chemical) | EVOH 32 mol% | Retort grade, high heat resistance | Retort pouches, hot-fill packaging |
| Soarnol™ AT4403Internal snapshot · original TDS on request | Nippon Gohsei (Mitsubishi Chemical) | EVOH 44 mol% | High ethylene, easier processing | Shrink barrier films, thermoforming |
| Bynel® 21E787 | DuPont (now Dow) | EVA-based tie resin | Bonds PE to EVOH/PET | Multilayer film tie layer |
For tie resins, slip/AB masterbatches, and processing aids used in multilayer packaging, see the full grade reference.
Typical Applications
Reference application overview covering high-barrier multilayer films, vacuum skin packaging, retort pouches, and dairy aseptic packaging.
EAA grades (Nucrel 0910HS, Nucrel 2806) serve as the tie layer bonding polyethylene to aluminum foil in carton-style packaging. The EAA aluminum bond strength is critical for shelf-stable products like UHT milk, fruit juice, and wine. Typical peel strength: 5–8 N/15mm.
EMAA top web (Escor 5200) over an EVOH-barrier bottom tray. The EMAA film is heated to ~120 °C and vacuum-formed over fresh meat, fish, or cheese placed on the bottom tray. The result is a tight, transparent skin that extends refrigerated shelf life 2–4× and improves product presentation.
Multilayer structures (PET / Al foil / retort-grade EVOH / PP) survive 121–135 °C sterilization for ready-to-eat meals, pet food, and seafood. Soarnol DC3203 and EVAL E171B are the primary barrier choices, with PP outer layers providing heat resistance.
EVOH barrier films maintain controlled O₂/CO₂ atmospheres for fresh-cut produce, salads, and prepared foods. Combined with proper gas flushing and tray design, MAP extends refrigerated shelf life 2–7 days while preserving color and texture.
Why Choose Jinsutong
Complete EAA / EMAA / EVA / EVOH portfolio plus tie resins and masterbatches — supporting packaging film producers and converters.
We supply EAA (DuPont/Dow Nucrel), EMAA (ExxonMobil Escor), EVA (ExxonMobil Escorene Ultra), and EVOH (Kuraray EVAL, Nippon Gohsei Soarnol) under one supplier — simplifying your procurement and reducing multi-supplier coordination costs.
Beyond the primary barrier and seal polymers, we supply tie resins (DuPont Bynel, Lyondellbasell Plexar) and slip/AB masterbatches to complete your multilayer structure formulation — true one-stop sourcing for film converters.
For cost-sensitive programs, we can help evaluate domestic Chinese alternatives for EMAA, EVOH, and tie resins — backed by lab sample coordination and 8–12 week on-site validation at your production line.
Major packaging converters in Jiangsu, Zhejiang, and Shanghai (Cangnan, Cixi, Suzhou, Wuxi) are within 2–4 hour truck reach of our Fengxian base. Quick sample delivery, emergency restock, and bonded-warehouse export flows for Southeast Asian customers.
Reach our Business Manager Mr. Mo Hailong directly via phone, email, or QQ for packaging polymer quotation, sample coordination, and qualification support — no call-center layers, no waiting.
Case Studies
Fictional but realistic packaging scenarios. Material selection and processing conditions are the primary design constraints.
A 1 L UHT milk carton used a 6-layer structure (PE / paperboard / EAA Nucrel 0910HS / Al foil 9 μm / EAA / PE) extruded at 280 m/min. EAA 9.5% acrylic acid content provided 7.2 N/15mm aluminum peel strength. Production: 500 million cartons/year with 0.3% delamination defect rate.
A fresh pork VSP tray used ExxonMobil Escor 5200 EMAA top web (80 μm) over an EVOH-barrier bottom tray (PE/EVOH/PE). The EMAA top web was heated to 120 °C and vacuum-formed over the meat. Shelf life: 14 days at 4 °C vs 5 days for traditional overwrap. Production: 50,000 trays/day.
A 500 g retort pet food pouch used a 4-layer structure (PET 12 μm / Al foil 7 μm / Soarnol DC3203 EVOH 10 μm / PP 70 μm) processed at 125 °C retort for 30 minutes. The retort-grade EVOH maintained oxygen barrier performance (0.4 cc/m²·day) post-sterilization. Shelf life: 24 months ambient.
Get in Touch
For EAA, EMAA, EVA, EVOH, tie resins, or any multilayer packaging polymer needs, our business team is ready to support your qualification and procurement planning.