PRESENTASI TEKNIK FLEXIBLE PACKAGING * Ingles Komalawarta * Zulidamel Badri MATERI Proses produksi “flexible packaging” Pre press Printing Extrusion dan Dry Lamination Metalizing Material untuk.
Download ReportTranscript PRESENTASI TEKNIK FLEXIBLE PACKAGING * Ingles Komalawarta * Zulidamel Badri MATERI Proses produksi “flexible packaging” Pre press Printing Extrusion dan Dry Lamination Metalizing Material untuk.
PRESENTASI TEKNIK FLEXIBLE PACKAGING * Ingles Komalawarta * Zulidamel Badri MATERI Proses produksi “flexible packaging” Pre press Printing Extrusion dan Dry Lamination Metalizing Material untuk flexible packaging : printing/main substrate, Barrier dan heat sealing Material yang umum digunakan dan cara pembuatannya Cara menentukan spesifikasi “flexible packaging” Contoh-contoh komposisi material “multi layer” PROSES PRODUKSI KEMASAN LENTUR DESIGN Koreksi teks, layout, gambar / slide, ukuran FINAL ART WORK (F/A) Persetujuan pemesan PEMBUATAN SILINDER SILINDER POLOS Proof print CETAK MATERIAL CETAK (FILM), MZ TINTA Film, Resin, Adhesive DL / EXT DL / EXT SLITTING GUDANG / EKSPEDISI MZ = Metalizing BAG MAKING DL = Dry Laminating EXT = Extrusion Coating / Laminating FILMLESS ENGRAVING SLIDE + F/A SCAN INPUT DESIGN TANPA SLIDE COMPUTER KOREKSI / MANIPULASI ANALOG DIGITAL (PIXEL) SOFTWARE : PHOTOSHOP ILLUSTRATOR FREEHAND CORELDRAW PAGEMAKER OUTPUT (DISKET/OPTICAL DISC) INTERFACE CYLINDER ENGRAVER CYLINDER (1-6) PROSES PEMAHATAN SILINDER OLEH INTAN CYLINDER SURFACE CELL TO BE CUT CUTTING TOOL MOTION CUTTING TOOL CYLINDER MOTION CELL ALREDY CUT CELL WALL CYLINDER UKURAN-UKURAN SEL UNTUK ELECTRONIC ENGRAVING Path of Engraving Tool Tip + + + + + + + + + + + + + + + 100 % Cells with Channels + + + + + + + + + 95 % Cells 50 % Cells 7 % Cells SCREEN ANGEL YANG DIBUAT DENGAN ELECTRONIC ENGRAVING + + + + + + + + + + Compressed. 30 Deg Cells + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Normal. 45 Deg Cells Elongated. 60 Deg Cells FILMLESS CYLINDER MAKING Aplikasi Software di Macintosh Freehand 7.0 Illustrator 6.0 Photoshop 4.0 Quark X Press 3.1 Corel Draw Aplikasi Software di PC Freehand 5.0 Photoshop 3.05 Corel Draw 6.0 Page Maker 5.0 Media Transfer di Macintosh Optical 3.5” 230 MB Optical 5.25” 1.3 GB Opical 5.25” 625 MB External Hardisk 2 GB Floppy Disk 3.5” 1.4 MB Media Transfer di PC Optical 3.5” 230 MB Floppy disk 3.5” 1.4 MB CATATAN 1. Barcode cukup disebutkan nomor barcode serta Code : EAN/UPC/ITF Magnification : 80% - 200% Clear Area Height : …mm 2. Teks Mandarin, Arab, Jepang atau teks asing lainnya harus sbb : a. Software Free Hand, Illustrator, atau Corel Draw dilakukan convert to path b. Hindarkan software Quark X Press dan Page Maker 3. Resolusi Image sebaiknya 300 dpi (tidak terinterpolasi) Color : CMYK atau RGB Hindarkan Bitmap dan Indexed Color Format File : EPS, TIFF minimal JPEG Khusus PC compressed format : AJR 4. Media Transfer Format :MAC Macintosh DOS PC PROSES PRA CETAK PROSES PRA CETAK PEMROSESAN GAMBAR FILM LESS PEMROSESAN CYLINDER FILM DESIGN KASAR ORIGINAL ARTWORK BASE : f , CIRCUM BUBUT (Fe) FINAL ARTWORK LAYOUT FILM/COLOR SEPARATION MOUNTING PLATING Ni 1-2 m Cu 200 m POLISH/CLEANING COMPUTER AIDED DESIGN OPTICAL DISK KOREKSI/MODIFIKASI PENGATURAN LAYOUT PRINT OUT COMPUTER BLUE PRINT/CHROMALIN/ PROOF OFFSET REFLECTION COPY Expose, developing staging ELECTROMECHANICAL ENGRAVING DIRECT ETCHING CHROME PLATING POLISH/CLEANING PROOF CYLINDER CETAK PHOTO SENSITIVE AGENT COATING TEKNIK-TEKNIK CETAK LETTER PRESS INK ROLLERS IMAGE CARRIER PLATE CYL PAPER IMPRESSION CYLINDER OFFSET DAMPENING SYSTEM INKING SYSTEM INK TRAY PLATE CYLINDER WATER PAN RUBBER BLANKET CYLINDER WEB OR SHEET IMPRESSION CYLINDER SABLON SQUEEGE INK STENCIL OPEN SCREEN SCREENED IMAGE FRAME SUBSTRATE FLEXOGRAFI ANILOX ROLL FOUNTAIN ROLL PLATE CYLINDER INK PAN IMPRESSION CYLINDER SUBSTRATE WEB GRAVURE PAPER/ FILM IMPRESSION CYLINDER GRAVURE CYLINDER DOCTOR BLADE INK FOUNTAIN MESIN GRAVURE RUBBER PRESS DOCTOR BLADE + TINTA COOLING ROLL HEATER POSITION COMPENSATION ROLL PAPER UNWINDER SCANNING HEAD BAK TINTA REWINDER PROSES-PROSES DALAM PABRIK CONVERTING PROSES LAMINATING Drying Process Second Material First Material Combining Roller Doctor Blade Adhesive Coating Rewinder TANDEM LAMINATOR PROCESS & PACKAGING MATERIALS & DESIGN FOR SPICES SW1 E1 E2 UW Device Film & Materials Property & Function Unwinder A Ony/print Good impact strenght Good toughness Good heat resistance SW2 AC2 AC1 AC 1 Extruder 1 C Adhesive LDPE Improving Adhesion Bonding Good strenght processability RW Sandwich Unwinder 1 B Alumunium foil Gas barrier Moisture proof Good stiffnes Shielding light Good display effect AC2 Extruder2 Adhesive Improving bonding strength Contents resistance C LDPE Good processability Good sealability Sandwich Unwinder2 D Rewinder Product Vacuum Metallizing Machine Rewind Unwind Wire Feed System Spreader Rollers Load Cell Rollers BACK Closed-Loop Control for Wire & Power Optical Density Calculate Wire Speed Speed Wire Thyristor & Calculate Power Transformer V & I Feed Back V&I TYPICAL METALLIZED FILM STRUCTURE 1 2 3 4 5 1. Metal Layer, Alum., 500 Ang, 0,05 Micron, 0,2 Gauge 2. Corona or Flame Treatment 3. Copolymer Bonding Layer 4. Core Layer of Homopolymer OPP, 18 - 20 Micron, 70 - 80 Gauge 5. Sealable Layer, 1 - 3 Micron. 4 - 12 Gauge MATERIAL UNTUK FLEXIBLE PACKAGING 1. Material untuk printing / main subtrate 2. Material untuk barrier 3. Material untuk heat seal 4. Material untuk melekatkan material - material di atas termasuk adhesive MATERIAL UNTUK PRINTING ( MATERIAL UTAMA ) • Untuk proses cetak diperlukan material dengan sifat - sifat : - Mudah menyerap / menerima tinta - Permukaan cukup halus dan rata - Tahan terhadap perlakuan pada mesin cetak • Contoh material untuk printing : Kertas, Cellophane, NY, PET, OPP SIFAT PELINDUNG (BARRIER) MATERIAL PLASTIK Semua material, kecuali kaca dan metal, bisa dilalui (“permeable”) oleh uap air, udara dan gas-gas lainnya Karena metal foil tidak transparan dan kaca tidak flexible untuk “flexible packaging” umumnya digunakan bahan plastik (polymer) Pengaruh uap air dan oksigen terhadap makanan : - Potato Chips Uap air melempem Uap air bau tengik - Makanan berlemak Uap air - Kopi bubuk berjamur MEKANISME PERMEASI GAS MELALUI FILM TIPIS Tahap I : Gas melarut dalam film Tahap II : Gas terdifusi melalui film Tahap III : Gas keluar dari film ke tempat yang baru KONDISI TES YANG UMUM DIGUNAKAN 1. Jungle room : 1000 F (380C), 90% RH 2. Moist room : 850F (290C), 81% RH 3. Dry room : 1250F (520C), 12% RH 4. Cold room : 350F - 450F (1,70C - 7,20C), 80% 5. General room : 00F (90C - 180C), Ambient RH 6. Controlled lab : 720F (220C), 50% RH 7. Laboratory oven : 1000F (380C), 10% - 30% RH Contoh-contoh Spesifikasi Flexible Packaging NO 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. ITEM CANDY INNER HALLS CANDY INNER TANGO CANDY INNER FOX CANDY INNER SWISSEL CANDY OUTER HALLS CANDY OUTER TANGO CANDY OUTER FOX CANDY OUTER SWISSEL OUTER COFFEE O 100 SACHET OUTER MAX TEA TARIKK 30 PSC INCO CAFÉ OUTER CAPPUCINO 50 SACHET OUTER INDOCAFE ORIGINAL BLEND OUTER INDOCAFE 30 SACHET OUTER COFFEMIX 45 SACHET ALU FOIL COFFEMIX 20 GR ALU FOIL MAX TEA LEMON TEA ALU FOIL CAPUCINO ALU FOIL GINSENG CEREAL ALU FOIL MAX CREAMER KOMPOSISI PET 12/PR/CPP25 PET 12/PR/VMCPP25 PVC TWIST 25 PVC TWIST 25 (AL7/WAX/PAPER 25) OPP 20/PR/DL/VMCPP25 OPP 20/PR/DL/CPP25 PET 12/PR/PE15/AL7/DL/CPP25 OPP 20/PR/PP40 OPP 25/PR/DL/LLDPE 80 OPP 20/PR/PP20/CPP40 PET PVDC 14/PR/DL/LLDPE 75 OPP 25/PR/DL/CPP 45 OPP 20/PR/PP 20/CPP 40 OPP 20/PR/PP 20/CPP 40 OPP 25/PR/DL/CPP 45 OPP 20/PR/PE 15/AL 7/PE 40 OPP 20/PR/PE 15/AL 7/PE 40 OPP PTT 20/PR/DL/AL 7/PE 15/LLDPE 45 OPP PTT 20/PR/DL/AL 7/PE 15/LLDPE 45 OPP 20/PR/PE 15/AL 7/PE 40 USAGE AND FILM COMPOSITION (1) Usage Dry Foods Content Cookie Candy Marine Product Potato Chip Frozen Food Spaghetti Tea Flour Coffee Potato Chip Powdered milk Powdered Juice Nodle Cookie Candy Spaghetti Marine Product Potato Chip Composition PT/PE MST/PE OPP/PE PET/PE ONY/PE KOP/PE KPET/PE KONY/PE Laminating Method PE extrusion lamination Dry lamination * solvent type * solvent-free type PT/PE/CPP OPP/PE/CPP PET/PE/CPP KOP/PE/CPP PT/PE/AL/PE OPP/PE/AL/PE PET/AL/PE PT/PR/PAPER/PE/AL/PE MST/PE/PAPER/PE/AL/PE OPP/PE/PAPER/PE/AL/PE PET/PE/PAPER/PE/AL/PE OPP/PE/VM-PET/PE/CPP PT/CPP MST/CPP OPP/CPP PET/CPP ONY/CPP KOP/CPP KPET/CPP KONY/CPP OPP/VMCPP PE extrusion lamination (CPP is seated fillm) PE extrusion lamination Dry lamination * solvent type * Solvent – free type USAGE AND FILM COMPOSITION (2) Usage Dry Foods Liquid Foods Oil Foods Retort Foods Content Flour Powdered milk Powdered juice Composition *1 *2 *1 *2 OPP/EVAL/PE OPP/EVAL/PE jam Liquid soup Mayonnaise KPT/PE OPP/PE PET/PE ONY/PE KONY/PE KPET/PE PT/PE/OPP/PE PET/VM-PET/PE Curry Meat souce *1 *2 *1 *2 OPP/KPT/PE OPP/EVAL/PE OPP/PET/PE PET/EVAL/PE ONY/PE KONY/PE KPET/PE KPT/PE OPP/PE OPP/KPT/PE PET/AL/PE OPP/PVDC/PE PET/PVDC/PE ONY/PE PET/PE ONY/CPP PET/CPP PET/ONY/CPP Hamburger Rice PET/AL/PE PET/AL/CPP PET/AL/ONY/PE PET/AL/ONY/CPP Sausage Hamburger Laminating Method Dry lamination * Solvent type PE Extrusion lamination *1 : Dry lamination * Solvent type * 2 : PE Extrusion lamination Dry lamination * Solvent type PE Extrusion lamination *1 : Dry Lamination * Solvent type * 2 : PE Extrusion lamination Dry lamination * Solvent type PE Extrusion lamination Dry lamination * Solvent PE means PE, EVA, ionomer resin, PE (20 m)/PE (20~50m), PE (20 m)/EVA(20~50 m) and PE (20 m) /ionomer resin (20~50m) VM means Aluminium metalized PENENTUAN SPESIFIKASI KEMASAN LENTUR Tujuan : menentukan kombinasi material yang cocok dengan suatu produk tertentu Spesifikasi Kemasan Lentur ditentukan oleh: Jenis Isi Mesin Pengisi Berat Isi “Shelf Life” (masa sampai kadaluarsa) Harga Jual Peredaran, Distribusi, dan Cara Penjualan Keinginan Khusus : - mudah disobek - harus bisa ditutup kembali - bisa berdiri 1. JENIS ISI ISI MAKANAN SEGAR BUKAN MAKANAN DIPROSES/ DIAWETKAN 1. K.L. YG BERISI UDARA 2. K.L. YG BERISI GAS N (GAS FLUSHED) 3. VAKUM 4. BOIL/REBUS 5. RETORT 6. DIBEKUKAN 7. ASEPTIK 8. DIBERI ZAT DEOXIDANT 9. BIASA AWET/ TAHAN LAMA OPP/PP MZ/Al MUDAH RUSAK 1. PENGARUH CAHAYA-A1 2. PENGARUH OKSIGEN-PET 3. PENGARUH UAP AIR-OPP Al ON/LLDPE OPP LLDPE Al Al.ON 4. AROMA MUDAH HILANG-A1 5. ISI BEREAKSI THD K.L. 2. MESIN PENGISI DENGAN TANGAN MESIN PENGISI DENGAN MESIN 1. VERTIKAL 2. HORIZONTAL 3. CUP 1.1. POWDER 1.2. CAIRAN PADAT -2.1. KECEPATAN TINGGI 2.2. KECEPATAN SEDANG 3.1. CUP SEALER SEDERHANA 3.2. CUP SEALER + VACUM FORMING Mesin Packaging Tipe VFFS 1. Gravity feeding 2. Mempunyai produk dalam bentuk yang kecil, tidak mempunyai ukuran regular 3. Struktur film yang dilaminasi diperlukan secara khusus 4. Tingkat rigiditas dari kemasan dapat dicapai SKEMA VFFS PRODUCT NOTE : * WIDTH = C + OVERLAP * CUTOFF = FS + TCL ** WIDTH = FSW + 2 x SSW ** CUTOFF LENGTH = FSL + TES CIRCUMFERENCE (C)* TOTAL CRIMP LENGTH (TCL)* FILL SPACE LENGTH (FSL)* TOTAL END SEAL (TES)** FILL SPACE LENGTH (FSL)** SIDE SEAL WIDTH (SSW)** FILL SPACE WIDTH (FSW)** Mesin Packaging Tipe HFFS 1. Produk mempunyai dimensi yang terukur 2. Produk dapat dimasukkan ke dalam kemasan tanpa menggunakan gravitasi 3. Pemotongan film dalam lembaran tunggal terjadi pada saat pembentukan kemasan 4. Rigiditas film pada kemasan produk biasanya tidak dibutuhkan SKEMA HFFS END PRODUCT 3.BERAT ISI 1. UKURAN KECIL ( < 50 g ) 2. UKURAN SEDANG ( 50 g - 500 g ) 3. UKURAN BESAR ( + 1 kg - 2 kg ) 4. SHELF LIFE 1. KEMASAN TUNGGAL 2. ADA KEMASAN LUAR : - KEMASAN LUAR KARTON - KEMASAN LUAR K.L SHELF LIFE TESTING MELBA TOAST COND. @ 850F, 81% RH % WEITGHT GAIN 6.0 5.0 4.0 3.0 2.0 1.0 0 10 20 DAYS SHELF LIFE TESTING MELBA TOAST COND. @ 1000F, 90% RH % WEITGHT GAIN 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0 5 10 CONDITIONING TIME (DAYS) 15 5. DISTRIBUSI + CARA PENJUALAN 1. DALAM KOTA 2. LUAR PULAU 3. EXPORT 4. WARUNG KAKI LIMA 5. SUPER MARKET 6. HARGA JUAL 1. MURAH 2. AGAK MAHAL 3. MAHAL 7. KEINGINAN KHUSUS 1. MUDAH DISOBEK 2. BISA DITUTUP KEMBALI 3. BISA BERDIRI MATERIAL UNTUK HEAT SEALING Heat sealing adalah proses penyatuan (“welding”) 2 polymer termo plastik dengan menggunakan panas dan tekanan Ada dua macam bentuk material untuk heat sealing : Film : PE, LLDPE, CPP Coating : Acrylic, PVDC, NC Cara heat seal ada 3 : 1. Conduction Sealing 2. Hot Wire Sealing (Impulse Sealing) 3. Dielectric Sealing BAHAN KEMASAN PLASTIK YANG UMUM DIGUNAKAN SYMBOL POLYMER APPLICATION LDPE (PE) Low Density Polyethylene General PurposePackaging LLDPE Linear Low Density Poly Ethylene High Strength PE EVA Ethylene Vynil Acetate Low Temperature Sealant EAA Ethylene Acrylid Acid Hot Tack HDPE High Density Poly Ethylene Moisture Barrier, Stiffness CPP Casted Poly Propylene Moisture Barrier, Sealant OPP Oriented Poly Propylene Printing, Moisture Barrier PET Poly Ethylene Terephtalate Printing, Gas Barrier Ny Oriented Nylon Printing, Gas, & Aroma Barrier JENIS-JENIS DAN SIFAT MATERIAL YANG UMUM DIGUNAKAN NO MATERIAL 1 KERTAS GRADE LITHO HVS KRAFT COATED 2 ALUMINIUM FOIL SOFT TEMPER HARD TEMPER 3 CELLOPHANE 4 PVC 5 PE CATATAN : PT MSAT PLAIN COATED LDPE MDPE HDPE LLDPE 0 0000 X FUNGSI Print Barrier H2O Barrier O2 Heat Seal 0 0 0 00 X 0 0 0 0 0 0 - = = = = - KETERANGAN PENGGUNAAN X X X X X 00 MUDAH DISOBEK 0000 0000 0000 0000 LAMINASI DGN PE, UNTUK KEMASAN YANG MUDAH DIBUKA UMUMNYA DIBERI COATING 00 0 0 0 0 0 0 0 00 0 0 - X 0 X 0 000 000 000 000 MUDAH DISOBEK MAKANAN, OBAT, DLL OBAT (PRESS THROUGH PACK), TUTUP MENTEGA OBAT DAN KEMASAN LAIN YG HARUS DIBUKA UNTUK PERMEN BAIK BAIK SEKALI KURANG TIDAK BISA BISA DIPLINTIR (TWIST) FUNGSI UTAMA ADALAH UNTUK HEAT SEAL HAMPIR SEMUA KEMASAN MENGGUNAKAN LDPE ATAU LLDPE UNTUK HEAT SEAL. MDPE DAN HDPE JARANG DIGUNAKAN JENIS-JENIS DAN SIFAT MATERIAL YANG UMUM DIGUNAKAN (Lanjutan) FUNGSI Print Barrier H2O Barrier O2 Heat Seal NO MATERIAL GRADE 6 NYLON ONY PVDC COATED 0 0 00 00 000 X - TAHAN TERHADAP TUSUKAN KETERANGAN 7 PET PET PVDC COATED METALLIZED 00 0 - 0 0 0 00 00 X X X BAIK SEKALI UNTUK PRINTING 8 OPP CPP 00 00 00 0 0 - 0 00 0 0 000 0 000 00 000 000 X 0 0 0 X 000 000 DIBANDINGKAN DGN PET, OPP KURANG TAHAN TERHADAP PANAS 9 PLAIN FILM COATED CO-EXTRUDED PEARLIZED METALLIZED PLAIN METALLIZED 10 COPOLYMER EVA EVA X X 0 0 - 0000 0000 DIBANDINGKAN DGN LLDPE, CPP LEBIH MUDAH DIPOTONG (PUTUS) DI MESIN DAN TITIK LELEH LEBIH TINGGI PENGGUNAAN TERUTAMA DIGUNAKAN UTK CAIRAN &VACUUM NON-ALUMINIUM FOIL UNTUK KEMASAN YANG DIJALANKAN PADA MESIN PACKAGING KECEPATAN TINGGI MATERIAL ALTERNATIF UNTUK PET COCOK UTK MESIN KECEPATAN TINGGI (MISALNYA UTK PERMEN PILLOW PACK), BISA TAHAN LEBIH DARI 120'C (UTK STERILISASI DGN CARA "RETORT") DIBANDINGKAN DGN PE, MATERIAL ALTERNATIF SIFAT HEAT SEAL LEBIH (LEBIH BAIK) DARIPADA BAIK PE FIGURE 2-4 CAST FILM ORIENTED FILM BALANCED ORIENTED FILM FIGURE 1 COEX OPP FILM-CROSS SECTIONS One-Side Sealable OPP CORE C2 C3 SEAL LAYER One-Side Sealable C2 C3 SEAL LAYER OPP CORE C2 C3 SEAL LAYER Unoriented Polypropylene Film Production Process Polypropylene Resins Die Corona Treatment Section OPP PRODUCT Extruder Melt Extrusion Winder Chill Roll Casting Slitting Packaging Finishing Section Oriented Polypropylene Film Production Process Polypropylene Resins T Die Corona Treatment Section Heater Roll OPP Tenter PRODUCT Extruder Winder Oven Extrusion Casting Machine Orientation Transverse Orientation Direction Direction Winding Slitting Packaging Finishing Section Plain Cellulose Film Production Process Pulp Pul Feeder Carbon Disulfide and liquid Caustic Soda Drying Casting Machine Slurry Coagulation Aging Sulfide Dissolving Post Treatment Decomposition and Regeneration Liquid Caustic Soda Films Making Section Raw Material Section Sheet Product Packaging Finishing Section Roll Product Slitting Winder Moisture-proof Cellulose Film Production Process Coating Tower Humidity Control Drying Base Cellulose Film Resin, Plasticizer, Organic Solvent and Wax Moisture-proof Cellulose Film To Finishing section Lacquer Cotter Winder Nip ( or pinch ) rolls Treater bar EXTRUDER Rubber Trimmer (slitter ) Stainless steel Rubber ( or pinch ) roll Idler roll Powered Carrier rolls Die Stainless steel nip ( or pinch ) roll ( driven )i 2 ( or more ) water cooled Highly polished chill roll Wind up ( Usually twin stasion ) PRODUCT LIST PT. NESTLE INDONESIA NO 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. PRODUK FOX’S INNER FOX’S FRUIT&MINT 150 gr POLO SPEARMINT 5 PACK COFFEEMATE 450 gr ALUFOIL-NESTEA BAG 1000 gr ALUFOIL BAG – FOX’S FRUIT & MINT 150 x 3 gr ALUFOIL-FOX TROPICAL FRUIT 100gr POUCH MILO CM 750 gr SACHET CERELAC RICE & NESTUM RICE MAGGI NOODLE WRAP. SEASONING BEEF & CHICKEN MBI 50 gr. RICE FLAKE FOIL PORRIDGE NBI 50 gr METALIZING MAGGI STRUKTUR MATERIAL PET 12/PR/DL/VMCPP25 PET 12/PR/DL/AL 7/PE 18/LLDPE 25 PET 12/PR/DL/CPP 30 PET 12/PR/DL/AL 7/DL/LLDPE 45 PET 12/PR/PE 15/AL 7/P0E 25 PET 12/PR/PE 15/AL 7/PE 25 PET 12/PR/PE 15/AL 7/PE 25 PET 12/PR/PE 15/AL 7/PE 30 PET 12/PR/DL/AL 7/DL/LLDPE 55 OPP 20/PR/PE 18 OPP 20/PR/DL/VMCPP 25 OPP 20/PR/DL/VMCPP 25 OPP 20/PR/DL/VMPET 12/PE 40