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Polyolefins coextruded blown films

materials properties

POLYMER

 ACRONYM

PROPERTIES

Low Density Polyethylene

LDPE

Flexibility, barrier to water, sealing
Linear Low Density Polyethylene

LLDPE

Flexibility, barrier to water, sealing, puncture resistance, elasticity
Very Low Linear Density Polyethylene

VLLDPE

Flexibility, barrier to water, sealing, puncture resistance, elasticity
Metallocene Linear Low Density Polyethylene

mLLDPE

Flexibility, barrier to water, sealing, puncture resistance, elasticity
High Density Polyethylene High Molecular Weigth

HDPE

HMWPE

High strength, rigidity, barrier to water, oils, fats
Medium Density Polyethylene  Medium Molecular Weigth

MDPE

MMWPE

High strength, rigidity, barrier to water, oils, fats
Polypropylene

PP

Rigidity, barrier to water, sterilizable
Copolymer Ethylvinylacetate

EVA

Flexibility, sealing, adhesive
Ionomer

SURLYNTM

Sealing, adhesive
Foamed Material

…FOAM

Aesthetic effect
Recycled Material

…OFF

Lower costs, ecological

 

SURLYN ™ is a trademark of DuPont de Nemours

 

two-layer film

MATERIAL COMBINATIONS

OUTER–INNER

APPLICATIONS

PROPERTIES

LDPE / LDPE

Milk and cheese packaging Long shelf-life, pinhole-free, excellent sealing

LDPE / LDPE

LDPE / MDPE

General packaging, shrink wrap Excellent sealing, multicolored

LDPE / LDPE  OFF

Garbage bags, carrier bags Excellent sealing, multicolored, lower costs

LDPE / LDPE  FOAM

Foamed-film boutique bags Excellent sealing, multicolored

LDPE / HDPE

LDPE / MDPE

High-strength and thin industrial bags, slippery innerlayer and anti-slippery outside-layer bags, different Excellent sealing, high strength, multicolored, lower costs

LDPE / HDPE

LLDPE / HDPE

High-strength and thin bags and pouches, packaging of oven-baked sweets, baked foodstuffs, tomato sausages, cornflakes Excellent sealing, high strength, multicolored, lower costs

SURLYNTM / LDPE

Packaging of peanuts, almonds, oily goods, snacks Excellent sealing, high strength, replaces cellophane

LDPE / SURLYNTM

Candies packaging, medical articles packaging Replaces cellophane, sterilizable

PP / EVA

Sliced cheese packaging Automatic foodstuffs packaging

HDPE / EVA

Baked goods packaging, blood plasma bags, liners for card-board boxes Sterilizable

EVA / LDPE

Antislippery outer-layer bags or film, anti-slippery industrial bags, medical articles Excellent sealing

LDPE / LLDPE

EVA / LLDPE

Stretch film High elasticity, good surface adhesion

LDPE / PP

Tack-free pallet hoods, tack-free shrink wrap Different shrink temperature for PP

 

three-layer film

MATERIAL COMBINATIONS

OUTER – MEDIUM – INNER

APPLICATIONS

PROPERTIES

LDPE / LDPE / LDPE

Milk and cheese packaging Long shelf-life, pinhole-free, excellent sealing

LDPE / LDPE OFF / LDPE FOAM

Foamed-film boutique bags Excellent sealing, multicolored

LDPE / PP /LDPE

Packaging of chips, bread Replaces sheets laminated with BOPP, automatic packaging

LDPE / MDPE / LDPE

High resistance and transparency general packaging, shrink wrap Excellent sealing, excellent transparency

LDPE / HDPE / LDPE

LDPE / HDPE / LLDPE

LLDPE / HDPE / LDPE

LLDPE / HDPE / LLDPE

LDPE / LDPE OFF / LDPE

LDPE / HDPE OFF / LLDPE

High-strength and thin pouches, carrier bags and industrial bags, slippery inner-layer and anti-slippery outside-layer bags, different colors (inner and outer layers) bags Excellent sealing, high strength,multicolored, lower costs

LDPE / LLDPE OFF / LDPE OFF

LDPE / LLDPE OFF / HDPE OFF

High-strength and thin pouches and carrier bags Costs reduction

HDPE / LDPE / HDPE

Packaging of oven-baked sweets, baked foodstuffs, tomato sausages, cornflakes Replaces cellophane

PP / PP / LDPE

Packaging of oven-baked sweets, cornflakes Replaces cellophane

LDPE / HDPE / EVA

LDPE / EVA / PP

Baked goods, foodstuffs packaging Excellent sealing, good rigidity

EVA / PP / EVA

Dehydrated vegetables packaging Automatic foodstuffs packaging

EVA / HDPE / EVA

Baked goods packaging, blood plasma bags, liners for card-board boxes Sterilizable
EVA / LLDPE / EVA Stretch film High elasticity, good surface adhesion
LDPE /LDPE / EVA Protective thermo-sticking film for methacrylate, glass, pre-varnished plates High elasticity, good surface adhesion
LDPE / LDPE OFF / PP Tack-free pallet hoods, tack-free shrink wrap Different shrink temperature for PP