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ROLE OF EVOH IN BARRIER
FLEXIBLE PACKAGING
WORLD PACKAGING CONGRESS
09-10 OCTOBER 2015 ,MUMBAI ,INDIA
CONTENTS
• BRIEF INTRODUCTION OF KURARAY
• INTRODUCTION OF GAS BARRIER RESIN
EVOH
• EVOH PROCESSING TECHNIQUES
• CONVENTIO...
Who is Kuraray?
The world’s largest producer of Vinyl Acetate Monomer derivatives
Kuraray Co. Ltd., founded 1926 in Kurash...
Pasadena, Texas
Antwerp, Belgium
Okayama
Tokyo
24,000T
10,000T
▲ ▲
Regional sales office Production site ▲R&D center
Shang...
Higher density
Higher melt point
Higher gas barrier
WHAT IS EVOH
24
27
32
35
38
44
48
a semi-crystalline
thermoplastic
and...
EVOH PHYSICAL PROPERTIES
O2 permeability
cc.20µm/m2.day.at
m
0.1
0.2
0.4
0.5
0.6
1.5
3.2
Mol%
et.
24
27
32
35
38
44
48
g/c...
OXYGEN PERMEABILITY OF POLYMERS
@ 20°C, 65%RH
High
Barrier
Medium
barrier
Low
barrier
© Applied Market Information Ltd., 2...
Oil - Fats resistance
Oxygen Barrier
Flavour Barrier
Processability
Recycling
Chemical Resistance
Transparency
Antistatic ...
LDPE
Monolayer
EVOH
multilayer
Structure
(µm)
LDPE
100
LDPE/ tie/ EVOH/ tie /LDPE
42.5/ 5 / 5 / 5 / 42.5
OTR
(cc/m2,day,at...
Monolayer
Polyethylene
CONCEPT OF GAS BARRIER
PACKAGING – MONOLAYER PE BASED
Atmosphere
Content (Food)
Oxygen
Flavor
Aroma...
Atmosphere
Content (Food)
EVOH
Adhesive (Tie)
Inner Layer PE
Outer Layer PE Oxygen
Flavor
Aromatics
Adhesive (Tie)
CONCEPT...
Blown film
Cast film
Sheet & Thermoforming
Coex Tube / Pipe
Co-extrusion process applicable for EVOH
EVOH PROCESSING ON CO...
Screw type : FULL FLIGHT
L/D : 24- 26 ( DEPENDING UPON THE GRADE )
NYLON / SCREW WITH MIXING HEAD GENERALLY
NOT RECOMMENDE...
TYPICAL TEMPERATURE PROFILE FOR EVOH
J171
GENERAL PROPERTIES OF EVOH
 EVOH IS EASILY PROCESSED ON CONVENTIONAL
EXTRUDERS
 BUT EVOH IS LESS THERMALLY STABLE THAN
P...
EVOH FOR VARIOUS APPLICATIONS
Lid for barrier cup & tray
EVOH FOR FLEXIBLE APPLICATIONS
Ham & sausage Bag In Box
UHT-milk
Meat (MAP)
EVOH TRENDS IN WORLD
REPLACEMENT OF TRADITIONAL PACKAGING
PACKAGING REASON FOR REPLACEMENT
GLASS LIGHT WEIGHT , EASY TO
HA...
GROWING NEED FOR BARRIER PACKAGING
USING EVOH
• IMPROVEMENT IN LIVING STANDARDS OF CONSUMER
•GROWTH OF CONVENIENCE STORES ...
NEW STYLE OF PACKAGING USING EVOH
• UHT MILK IN FLEXIBLE POUCH
•FLEXIBLE POUCH FOR SAUCES
•BAG IN BOX ( BIB)
•LAMINATED OR...
BENEFITS OF UHT POUCH WITH EVOH
6 grams IS THE WEIGHT OF A 1 LITER
POUCH USING EVOH BARRIER
LESS PRODUCT WASTE AS DESIGN
F...
BENEFITS OF UHT POUCH WITH EVOH
A FEW MICRONS OF EVOH ARE
SUFFICIENT TO PROVIDE THE DESIRED
AND FUNCTIONAL BARRIER OF UHT
...
EVOH UHT POUCH VERSUS AL FOIL /PAPER CARTON
EVOH UHT POUCH VERSUS AL FOIL /PAPER CARTON
Outside
Inside
Outside
Inside
PE + Slip agent
PE + White Masterbatch
LLDPE tie
EVAL™ H171B
LLDPE tie
LLDPE tie + Black Mas...
UHT milk pouch in oversea
India / Sri Lanka/Indonesia
India
Sri Lanka
Indonesia
UHT milk pouch in oversea
Latin America
METAL CAN REPLACEMENT
 Lighter weight (reduce energy during transportation)
 Transparent
 Metal detector available
 Co...
Storage condition: 40degC
Benefit of EVOH - Ketchup/sauces -
 Lower weight than tin can and glass
 Convenience (easy ope...
EVOH FOR BIB APPLICATIONS
Carbon dioxide emission per 100 gallons wine
 Reduced ecological footprint: boxed wines contrib...
EVOH FOR LAMINATED TUBES
Aluminum foil Plastic with EVOH
Prevent oxydation of valuable ingredients
Excellent aroma barrier
Excellent oil and grease barrier
Longer formula preserva...
METALIZED EVOH BARRIER FOR SNACK FOOD PACKAGING
Lamination
Current structure Proposed structure
Film (micron) OTR*1 WVTR*2...
EVOH FOR AGRICULTURALAPPLICATIONS
r
 EVOH FOR HERMETIC BAGS
EVOH FOR TIF ( FUMIGATION
FILM )
EVOH FOR BULK SILO BAGS
HERMETIC BAG
EVOH FOR HERMETIC BAG
• Post harvest problem: Moisture, molds, insects
• Living organism’s respiration makes high CO2 and ...
WHAT IS FUMIGATION
&
WHY IS EVOH REQUIRED
Fumigation is needed for “Kill disease or weeds”
Disease increase by continuous cropping/grow same crop and same area cont...
Alternative chemicals still
pose health hazards to
field workers and
bystanders
Chloropicrin,
1,3-dichloropicrin
Dimethyl ...
Fumigant
Methyl bromide
Chloropicrin
1,3-Dichloropropene
Methyl iodide
STD
(Standard film)
Fumigated soil
PE
PE
PE
TIF
(To...
Typical Commercial Structure of a
TIF Film
1.5 – 2.0 µm
25 – 35 µm
Proper material selection and processing technique will...
“Economical merit”
552
639
921
991
1020 1006
975
526
595
781
829
945
914
991
300
400
500
600
700
800
900
1000
1100
Control...
EVOH FOR SILO BAGS
EVOH SILO BAGS
DECREASE OF O 2 CONCENTRATION AND INCREASE
IN CO 2 LEVELS
 DETORIATION REDUCED BY CREATING HERMETIC
ENVIR...
Summary
• Multilayer film with EVAL™ can add value to
agriculture
– It protects the environment by reducing fumigant
emiss...
EVOH FOR FOOD SAFETY
PREVENTS MIGRATION OF
“MINERAL OIL HYDROCARBONS “
FROM RECYCLED CARTONS
Prevent migration of mineral oil (MOSH, MOAH)
from recycled cardboard into food
Proving EVOH barrier to MOSH/MOAH
(1) Barr...
Sources of Mineral Oil Hydrocarbons
Contamination of rice by different sources
8
EVOH MAINTAINS FRESHNESS OF FOOD AND EXTENDS
SHELF LIFE WHICH CONTRIBUTES TO REDUCTION IN
FOOD WASTAGE .
CONVENTIONAL PACK...
THANK YOU
Role of EVOH in Barrier Flexible Packaging - October 2015
Role of EVOH in Barrier Flexible Packaging - October 2015
Role of EVOH in Barrier Flexible Packaging - October 2015
Role of EVOH in Barrier Flexible Packaging - October 2015
Role of EVOH in Barrier Flexible Packaging - October 2015
Role of EVOH in Barrier Flexible Packaging - October 2015
Role of EVOH in Barrier Flexible Packaging - October 2015
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Role of EVOH in Barrier Flexible Packaging - October 2015

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Role of EVOH in Barrier Flexible Packaging - October 2015

  1. 1. ROLE OF EVOH IN BARRIER FLEXIBLE PACKAGING WORLD PACKAGING CONGRESS 09-10 OCTOBER 2015 ,MUMBAI ,INDIA
  2. 2. CONTENTS • BRIEF INTRODUCTION OF KURARAY • INTRODUCTION OF GAS BARRIER RESIN EVOH • EVOH PROCESSING TECHNIQUES • CONVENTIONAL EVOH APPLICATIONS – GLASS /METAL / AL FOIL REPLACEMENT • EMERGING EVOH APPLICATIONS
  3. 3. Who is Kuraray? The world’s largest producer of Vinyl Acetate Monomer derivatives Kuraray Co. Ltd., founded 1926 in Kurashiki, Japan World’s largest producer of PVOH (POVAL™) and EVOH (EVAL™) as well as many other specialty polymers, fibres and films Leader in gas barrier technology and development Head office in Tokyo, Japan. Global sites: 43 sites in 17 countries
  4. 4. Pasadena, Texas Antwerp, Belgium Okayama Tokyo 24,000T 10,000T ▲ ▲ Regional sales office Production site ▲R&D center Shanghai Production capacity of EVOH EVALTM Singapore Bangkok Total Global Capacity = 81,000T 47,000T Deli
  5. 5. Higher density Higher melt point Higher gas barrier WHAT IS EVOH 24 27 32 35 38 44 48 a semi-crystalline thermoplastic and a random copolymer of Ethylene and Vinyl ALcohol (CH2-CH2)m (CH2-CH)n OH More flexible More orientable Easier to process © Applied Market Information Ltd., 2015 – Licensed for the exclusive use of SACHIN GANGAL downloaded on 01/10/2015 at 16:02:41. Must not be reproduced, forwarded or distributed wit ho u t p e rm is s io n. T hi s d o c um en t is di g i tal ly Ethylenemol% Polyolefin Tie EVAL™ Tie Polyolefin
  6. 6. EVOH PHYSICAL PROPERTIES O2 permeability cc.20µm/m2.day.at m 0.1 0.2 0.4 0.5 0.6 1.5 3.2 Mol% et. 24 27 32 35 38 44 48 g/cc Tm ºC 195 191 183 177 172 165 160 1.22 1.20 1.19 1.18 1.17 1.14 1.12 mol% ethylene © Applied Market Information Ltd., 2015 – Licensed for the exclusive use of SACHIN GANGAL downloaded on 01/10/2015 at 16:02:41. Must not be reproduced, forwarded or distributed without permission. This document is digitally watermarked.
  7. 7. OXYGEN PERMEABILITY OF POLYMERS @ 20°C, 65%RH High Barrier Medium barrier Low barrier © Applied Market Information Ltd., 2015 – Licensed for the exclusive use of SACHIN GANGAL downloaded on 01/10/2015 at 16:02:41. Must not be reproduced, forwarded or distributed without permission. This document is digitally watermarked. Material cm3.20 μm/m2.day.atm 32 mol% Et. EVOH 0.4 38 mol% Et. EVOH 0.7 PVdC (Polyvinylidine chloride) 2.6 Polyamide (Nylon) 38 PET (Polyester) 54 HDPE (High Density Polyethylene) 2300 PP (Polypropylene) 3000 PC (Polycarbonate) 5000 PS (Polystyrene) 8000 LDPE (Low density Polyethylene) 10000 EVA (Ethylene Vinyl Acetate) 18000
  8. 8. Oil - Fats resistance Oxygen Barrier Flavour Barrier Processability Recycling Chemical Resistance Transparency Antistatic properties Printable Odour Barrier Ageing resistance EVOH PROPERTIES Flex-crack Resistance
  9. 9. LDPE Monolayer EVOH multilayer Structure (µm) LDPE 100 LDPE/ tie/ EVOH/ tie /LDPE 42.5/ 5 / 5 / 5 / 42.5 OTR (cc/m2,day,atm) 1650 1.6 EVOH PROVIDES EXCELLENT OXYGEN BARRIER Condition: 20C-65%RH(out)/65%RH(in)
  10. 10. Monolayer Polyethylene CONCEPT OF GAS BARRIER PACKAGING – MONOLAYER PE BASED Atmosphere Content (Food) Oxygen Flavor Aromatics (1) Loss of flavor/Aromas (2) Oxidation of content Moisture
  11. 11. Atmosphere Content (Food) EVOH Adhesive (Tie) Inner Layer PE Outer Layer PE Oxygen Flavor Aromatics Adhesive (Tie) CONCEPT OF GAS BARRIER PACKAGING – MULTILAYER EVOH BASED Moisture EVOH CONTRIBUTES TO EXTEND SHELF LIFE AND MAINTAIN EXCELLENT FOOD QUALITY !
  12. 12. Blown film Cast film Sheet & Thermoforming Coex Tube / Pipe Co-extrusion process applicable for EVOH EVOH PROCESSING ON CONVENTIONAL EXTRUDER IS POSSIBLE
  13. 13. Screw type : FULL FLIGHT L/D : 24- 26 ( DEPENDING UPON THE GRADE ) NYLON / SCREW WITH MIXING HEAD GENERALLY NOT RECOMMENDED 120~150° TYPICAL EXTRUDER FOR EVOH PROCESSING L/D Feed Compression Metering 28 8D 10D 10D 26 8D 9D 9D 24 8D 8D 8D
  14. 14. TYPICAL TEMPERATURE PROFILE FOR EVOH J171
  15. 15. GENERAL PROPERTIES OF EVOH  EVOH IS EASILY PROCESSED ON CONVENTIONAL EXTRUDERS  BUT EVOH IS LESS THERMALLY STABLE THAN POLYOLEFINS  EVOH DOES NOT HAVE COMPATIBILITY WITH POLYOLEFINS HENCE NEED FOR TIE RESINS  HYGROSCOPIC IN NATURE  STRONG REACTIVITY WITH PA HENCE CAREFUL HANDLING REQUIRED WHEN PROCESSING PA/EVOH BASED STRUCTURE
  16. 16. EVOH FOR VARIOUS APPLICATIONS
  17. 17. Lid for barrier cup & tray EVOH FOR FLEXIBLE APPLICATIONS Ham & sausage Bag In Box UHT-milk Meat (MAP)
  18. 18. EVOH TRENDS IN WORLD REPLACEMENT OF TRADITIONAL PACKAGING PACKAGING REASON FOR REPLACEMENT GLASS LIGHT WEIGHT , EASY TO HANDLE CAN TRANSPARENT , DESIGN FLEXIBILITY AL FOIL METAL DETECTABLE , FLEX CRACK PVdC ENVIROMENTAL FRIENDLY
  19. 19. GROWING NEED FOR BARRIER PACKAGING USING EVOH • IMPROVEMENT IN LIVING STANDARDS OF CONSUMER •GROWTH OF CONVENIENCE STORES / MEGAMARKETS •PUSH FOR HIGHER BARRIER PACKAGING •FOOD FACTORY EXPORT TO DEVELOPED WORLD •LOCAL PUSH TO REPLACE IMPORTED BARRIER PACKAGING FOR THE EXPORTED FOOD
  20. 20. NEW STYLE OF PACKAGING USING EVOH • UHT MILK IN FLEXIBLE POUCH •FLEXIBLE POUCH FOR SAUCES •BAG IN BOX ( BIB) •LAMINATED OR COEXTRUDED TUBES •METALIZED EVOH BARRIER FOR SNACK FOOD •AGRICULTURAL FILMS •EVOH FOR FOOD SAFETY
  21. 21. BENEFITS OF UHT POUCH WITH EVOH 6 grams IS THE WEIGHT OF A 1 LITER POUCH USING EVOH BARRIER LESS PRODUCT WASTE AS DESIGN FLEXIBILITY POSSIBILE WITH EVOH BASED MULTILAYER POUCH BARRIER POUCH IS ALL PLASTIC BASED HENCE TOTALLY RECYCLABLE NO NEED FOR COLD CHAIN TO MAINTAIN 100 % STERILITY IN THE PRODUCT
  22. 22. BENEFITS OF UHT POUCH WITH EVOH A FEW MICRONS OF EVOH ARE SUFFICIENT TO PROVIDE THE DESIRED AND FUNCTIONAL BARRIER OF UHT MILK POUCH SPOILAGE OF THE PRODUCT IS AVOIDED AND ALSO PROTECTION TO VALUABLE VITAMIN CONTENT EVOH ACTS AS FLAVOUR BARRIER AS WELLAS WELLAS KEEPING THE OUTSIDE ODOUR AWAY BESIDES MILK OTHER PRODUCTS PACKED ARE FLAVOURED MILK , LASSI , YOGHURT AND FRUIT JUICES
  23. 23. EVOH UHT POUCH VERSUS AL FOIL /PAPER CARTON
  24. 24. EVOH UHT POUCH VERSUS AL FOIL /PAPER CARTON
  25. 25. Outside Inside Outside Inside PE + Slip agent PE + White Masterbatch LLDPE tie EVAL™ H171B LLDPE tie LLDPE tie + Black Masterbatch LLDPE + mLLDPE PE + White Masterbatch + Slip agent LLDPE tie EVAL™ H171B LLDPE tie + Black Masterbatch LLDPE + mLLDPE TYPICAL EVAL BARRIER POUCH BASED ON 5 AND 7 LAYER STRUCTURE
  26. 26. UHT milk pouch in oversea India / Sri Lanka/Indonesia India Sri Lanka Indonesia
  27. 27. UHT milk pouch in oversea Latin America
  28. 28. METAL CAN REPLACEMENT  Lighter weight (reduce energy during transportation)  Transparent  Metal detector available  Convenient (Easy/safe to open) EVOH POUCHES FOR SAUCES PACKAGING
  29. 29. Storage condition: 40degC Benefit of EVOH - Ketchup/sauces -  Lower weight than tin can and glass  Convenience (easy open)  Safety (transparency, metal detectable)  Less preservative due to high O2 barrier  Better brand image PP/EVOH/PP
  30. 30. EVOH FOR BIB APPLICATIONS Carbon dioxide emission per 100 gallons wine  Reduced ecological footprint: boxed wines contribute fewer carbon emissions to the atmosphere than traditional glass bottles during making and shipping process. Glass BIB PE/tie/EVOH/tie/PE
  31. 31. EVOH FOR LAMINATED TUBES Aluminum foil Plastic with EVOH
  32. 32. Prevent oxydation of valuable ingredients Excellent aroma barrier Excellent oil and grease barrier Longer formula preservation Laminate tube (toothpaste, cosmetic) Typical structure, manufacturing method (1) Co-extrusion, PE/tie/EVOH/tie/PE 5-layer (2) Blown film and lamination PE film/ PE/tie/EVOH/tie/PE (co-ex blown) / PE film (3) Extrusion coating PE film/LD/ tie/EVOH/tie (Co-ex coating) / PE film EVOH FOR LAMINATED OR COEXTRUDED TUBE Co-extrusion Film lamination
  33. 33. METALIZED EVOH BARRIER FOR SNACK FOOD PACKAGING Lamination Current structure Proposed structure Film (micron) OTR*1 WVTR*2 PET (12) 85 55 VM-PET (12) 0.5-1.0 0.5-1.0 BOPP (18) 2300 8 VM-BOPP (18) 20 1 VM-EVOH-BOPP (18) ~0.2 ~0.4 VM-CPP (30) 20 1 VM-EVOH-CPP (30) ~0.1 ~ 0.3 *1: 20degC-65%RH, *2: 40degC-90%RH 1. Structure - Metalized “EVOH/tie/homo-PP/ter-PP (Co-ex) ” - BOPP and CPP types are available 2. Benefits of met-EVOH-PP (1) Higher barrier than met-PET and met-BOPP (2) High bonding strength b/w AL and EVOH (EVOH high surface energy, ~50dyne/cm) (3) Cost down from 3ply to 2 ply (Heat seal ability by ter-PP layer) * Heat seal strength: TBC for each application VMPET(12) LLDPE or CPP(30) PET(12) or OPP(20) EVOH PET(12) or OPP(20) Tie h-PP Co-Ex Metalized ter-PP
  34. 34. EVOH FOR AGRICULTURALAPPLICATIONS r  EVOH FOR HERMETIC BAGS EVOH FOR TIF ( FUMIGATION FILM ) EVOH FOR BULK SILO BAGS
  35. 35. HERMETIC BAG
  36. 36. EVOH FOR HERMETIC BAG • Post harvest problem: Moisture, molds, insects • Living organism’s respiration makes high CO2 and low O2 atmosphere • Prevent the growth of bacteria/insect by MAP (low O2 and high CO2 concentration) Typical structure; PE/tie/EVOH/tie/PE co-ex blown
  37. 37. WHAT IS FUMIGATION & WHY IS EVOH REQUIRED
  38. 38. Fumigation is needed for “Kill disease or weeds” Disease increase by continuous cropping/grow same crop and same area continuously. For efficient farming bacterium Nematoda Fumigants Fumigant Risk Status Methyl bromide ozone layer destruction Decided full phase-out untill Y15 by Montriol Protocol. Chloropichrin strong tear gas/smell Increasing as alternative. Developed by Nazi as wepone. Dichloropropene carcinogen Increasing as alternative.
  39. 39. Alternative chemicals still pose health hazards to field workers and bystanders Chloropicrin, 1,3-dichloropicrin Dimethyl disulfide Methyl iodide METHYL BROMIDE being phased out worldwide due to ozone depletion potential Fumigant is injected or dripped into the soil prior to transplantHigh barrier mulch film retains moisture and fumigant vapors Nematodes, bacteria, fungi SOIL © Applied Market Information Ltd., 2015 – Licensed for the exclusive use of SACHIN GANGAL downloaded on 01/10/2015 at 16:02:41. Must not be reproduced, forwarded or distributed wit ho u t p e rm is s io n. T hi s d o c um en t is di g i tal ly ISSUES WITH FUMIGANTS USED
  40. 40. Fumigant Methyl bromide Chloropicrin 1,3-Dichloropropene Methyl iodide STD (Standard film) Fumigated soil PE PE PE TIF (Totally Impermeable Film) PE EVALTM PE Film EVOH FOR FUMIGATION FILM • Increase the fumigation efficiency • Higher yield and/or lower fumigant cost
  41. 41. Typical Commercial Structure of a TIF Film 1.5 – 2.0 µm 25 – 35 µm Proper material selection and processing technique will influence the mechanical properties of the film © Applied Market Information Ltd., 2015 – Licensed for the exclusive use of SACHIN GANGAL downloaded on 01/10/2015 at 16:02:41. Must not be reproduced, forwarded or distributed wit ho u t p e rm is s io n. T hi s d o c um en t is di g i tal ly PE PE Adhesive EVOH Adhesive PE PE
  42. 42. “Economical merit” 552 639 921 991 1020 1006 975 526 595 781 829 945 914 991 300 400 500 600 700 800 900 1000 1100 Control = 0 lb/ac Pic-Clor60 = 50 lb/ac Pic-Clor60 = 100 lb/ac Pic-Clor60 = 200 lb/ac Pic-Clor60 = 300 lb/ac Pic-Clor60 = 400 lb/ac MBPic = 350 lb/ac gramsmarketablefruit/plant Strawberry Yield TIF 75% reduction TIF (EVAL) STD (LDPE)
  43. 43. EVOH FOR SILO BAGS
  44. 44. EVOH SILO BAGS DECREASE OF O 2 CONCENTRATION AND INCREASE IN CO 2 LEVELS  DETORIATION REDUCED BY CREATING HERMETIC ENVIRNOMENT ODOR BARRIER AND PEST CONTROL GRAIN LOSS REDUCTION & EXTENDED SHELF LIFE RESULTING IN INCREASE IN COMMERCIAL VALUE OF FOOD GRAIN
  45. 45. Summary • Multilayer film with EVAL™ can add value to agriculture – It protects the environment by reducing fumigant emissions without sacrificing the yield or quality of fruits of vegetables – It preserves the quality of grains and animal feed by limiting the gas exchange in/out and reducing the metabolic activity of the packaged food © Applied Market Information Ltd., 2015 – Licensed for the exclusive use of SACHIN GANGAL downloaded on 01/10/2015 at 16:02:41. Must not be reproduced, forwarded or distributed without permission. This document is digitally watermarked.
  46. 46. EVOH FOR FOOD SAFETY PREVENTS MIGRATION OF “MINERAL OIL HYDROCARBONS “ FROM RECYCLED CARTONS
  47. 47. Prevent migration of mineral oil (MOSH, MOAH) from recycled cardboard into food Proving EVOH barrier to MOSH/MOAH (1) Barrier inner liner with EVOH (2) EVOH lamination onto cartonboard Inner liner with EVOH (coated paper or all-plastic bag)
  48. 48. Sources of Mineral Oil Hydrocarbons Contamination of rice by different sources 8
  49. 49. EVOH MAINTAINS FRESHNESS OF FOOD AND EXTENDS SHELF LIFE WHICH CONTRIBUTES TO REDUCTION IN FOOD WASTAGE . CONVENTIONAL PACKAGING REPLACEMENT BY BARRIER PLASTIC PACKAGING INCORPORATING EVOH IS A GROWING MARKET TREND . EVOH IS EASILY PROCESSED ON CONVENTIONAL EXTRUSION PROCESS. KURARAY IS A LEADING COMPANY OF BARRIER TECHNOLOGY . SUMMARY
  50. 50. THANK YOU

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