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temperature effect on al foil pe film sealabilty

Henan Haomei aluminum Co.. Ltd is specialized in producing and marketing temperature effect on al foil pe film sealabilty, aluminum hot -rolled thick plates, ROPP cap materials, pharmaceutical cap materials, aluminum circle/disc for cookware, aluminum drilling entry for PCB, aluminum tape for aluminum plastic tube, aluminum strip for framework of umbrella, aluminum base plates for PS board, aluminum bright finish tread plates, aluminum checkered plates, and household aluminum foil, aluminum pharmaceutical foil, aluminum packing foil, air-conditioner foil, aluminum fin materials. These products are generally applied to air-conditioner, washing machine, refrigerator, cosmetic package, printing,building decoration, aluminum ROPP cap, bus floor, and telecommunication cable etc. fields.

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  • [PDF]

    019 HEAT-SEAL STRENGTH ANALYSIS OF LAMINATED FILMS

    Tetsuya et al 7 had investigated the effect of heat-sealing temperature on the mechanical properties and morphology of oriented polypropylene (OPP)/cast polypropylene (CPP) laminated films. They reported that tensile strength of the seal was affected by the orientation of the films. While Hashimoto et al 8 had carried out investigation on the failure criteria of the heat-

  • Seal Initiation Temperature - an overview ScienceDirect

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    Seal Initiation Temperature. Seal initiation temperature is defined as the heat sealing jaw temperature at which a specific level of seal strength is obtained and may be determined by plotting the seal strength versus seal jaw temperature. From: Biaxial Stretching of Film, 2011. Related terms: Ionomers; Metallocenes; Packaging Machines; Crystallinity; Resin

  • (PDF) Heat sealability of laminated films with LLDPE and

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    The heat sealability of laminated films with linear low density polyethylene (LLDPE) and low density polyethylene (LDPE) as the sealant materials was investigated. The PE film consisting of

  • [PDF]

    The Effects of Corona and Flame Treatment: Part 1. PE-LD

    The effect of flame and corona treatment on heat sealing temperature of PE-LD coated paperboard. The efficiency of flame is 258.1 Wmin/m2 (14.6 BTU/m2) and the efficiency of corona treatment is 13.3 2Wmin/m . The reduction of treatment efficiency changes the heat sealing temperatures, see Figure 7.

  • Reaction of Sweet Maize to the Use of Polyethylene Film

    Temperature, especially in the beginning of the growing period, has a crucial effect on vegetation and yield. The best maize initial growth requires soil temperature above 10 °C. Maize covered by polyethylene film and polypropylene non-woven fabric leads to an increase in temperatures which accelerates crop growth.

    Author: Katarzyna Adamczewska-Sowińska, Józef Sowiński
  • Effect of heat sealing temperature on heat-sealing

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    Effect of heat sealing temperature on heat-sealing performance of PET/Al/PE packaging laminated film Article · January 2008 with 784 Reads How we measure 'reads'

  • Heat sealability of laminated films with LLDPE and LDPE as

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    Mar 27, 2007· A laboratory heat sealer was used to study the response of laminated films to temperature, time, and pressure. Platen temperature was confirmed as primary factor in controlling heat-seal strength. Dwell time must be sufficiently long to bring the interfacial temperature

  • Aluminium foil & Metallized PET film: Applications

    In addition to the optical effect, the aluminum vaporization serves in particular to improve its barrier effects against vapours, gases and aromas in comparison to non-metallized plastic film. Overall, the metallized PET films are less gas-tight than “real” aluminum foil, but more tear resistant, more flexible and lighter. Also, they are less sensitive to corrosion and not as winkle-prone as pure aluminium foil.

  • [PDF]

    A Guide to Polyolefin Film Extrusion - LyondellBasell

    The compression ratio is the ratio of the channel volume of one screw flight in the feed section to that of one screw flight in the metering section. Thus, a typical screw for polyolefin film extrusion should have a 24:1 to 30:1 L/D ratio and a 2.5 to 3.51 compression ratio.

  • Everything You Need To Know About Polyethylene (PE)

    Low-Density Polyethylene (LDPE) is a very flexible material with unique flow properties that makes it particularly suitable for shopping bags and other plastic film applications. LDPE has high ductility but low tensile strength, which is evident in the real world by its propensity to stretch when strained.

  • [PDF]

    The Effects of Corona and Flame Treatment: Part 1. PE-LD

    The effect of flame and corona treatment on heat sealing temperature of PE-LD coated paperboard. The efficiency of flame is 258.1 Wmin/m2 (14.6 BTU/m2) and the efficiency of corona treatment is 13.3 2Wmin/m . The reduction of treatment efficiency changes the heat sealing temperatures, see Figure 7.

  • PE based multilayer film structures - ScienceDirect

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    Heat sealability is also a critical property for various packaging applications. A polymer that exhibits low temperature sealability and maintains seal integrity over a broad seal temperature, dwell time, and seal pressure can significantly increase packaging line speeds, improve efficiencies, and

  • Barrier Properties of Films Flexifoil Packaging

    When it comes to choosing the right structure of laminates for your product it is important to take a look at the barrier & functional properties of various commonly used packaging films.For instance in the below table aluminium foil scores 10 out of 10 in all parameters determining the shelf life of products which clearly suggests that any laminate structure involving aluminium foil as one of

  • [PDF]

    Effect of Temperature and Mechanical Stress on Barrier

    through commercial polymers based on polyethylene (PE), biaxially oriented polypropylene (BOPP), and polyamide (PA) used for food packaging is reported. The influence of temperature (from 10 to 60 C) and crease stress cycles (30, 50,

  • Artificial ageing of tri-layer polyethylene film used as

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    Artificial ageing of tri-layer polyethylene film used as greenhouse cover under the effect of the temperature and the UVA simultaneously Article in Materials and Design 31(2):864-869 · February

  • Foil Lamination and Laminated Foils All Foils

    Adhesive Foil Lamination Increases Contaminant Resistance, Laminated foil is a thin gauge ferrous and non-ferrous metal laminated to a variety of materials including Polyester (PET), Polypropylene (PP), and Polyethylene (PE). Foil lamination enhances the product integrity and also increases vapor barrier characteristics. Foil lamination can be accomplished with a variety of adhesives dependent

  • PE-Based Multilayer Film Structures Request PDF

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    Seal initiation temperature, the temperature at which a specific, low level of seal strength of polyethylene films is achieved, corresponds to the temperature at which the fraction of amorphous

  • [PDF]

    A Guide to Polyolefin Film Extrusion - LyondellBasell

    The compression ratio is the ratio of the channel volume of one screw flight in the feed section to that of one screw flight in the metering section. Thus, a typical screw for polyolefin film extrusion should have a 24:1 to 30:1 L/D ratio and a 2.5 to 3.51 compression ratio.

  • [PDF]

    TECHNICAL GUIDE - Polyethylene

    The temperature of the chill roll should be kept at approximately 15 to 30°C; if it increases to 55 to 60°C or higher, the polyethylene may stick to the chill roll, causing

  • Everything You Need To Know About Polyethylene (PE)

    Low-Density Polyethylene (LDPE) is a very flexible material with unique flow properties that makes it particularly suitable for shopping bags and other plastic film applications. LDPE has high ductility but low tensile strength, which is evident in the real world by its propensity to stretch when strained.

  • Modeling of gas transmission properties of polymeric films

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    Dec 19, 2014· Most workers used polyethylene, especially LDPE, PVC and PET as the packaging materials and studied the effects of package surface area, temperature, film permeability to O 2 and CO 2, state of equilibrium conditions achieved and their effects on quality and shelf-life of apple (Mangaraj et al. 2014a, 2014b) and reported low mass loss

  • The impact of corona treatment on seal - Charter NEX Films

    The film industry generally refers to treatment as a method of changing the surface tension of a film. Creating a higher surface tension on the film will help to overcome the natural surface tension of a liquid to itself. Polyethylene film that is not treated will have a surface tension typically less than 34 dynes/cm.

  • Changes of properties of polymer packaging films during

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    The effect of pressure treatment on the change of following film parameters were evaluated: mechanical properties (tensile strength and seal strength), transparency (absorbance at 450 and 600 nm), water vapour permeability, global migration characteristics into fat food simulants (95% ethanol and isooctane) and the transfer of food simulants (water and olive oil) into packaging materials.

  • [PDF]

    How Aluminium Foil Improves the Hot Tack of Packaging

    the PET film inside caused a slow-down in cooling with the consequence of the PP respective retard time solved the problem. 6.3 Laminates for coffee vacuum packages In Europe, classical PET/Al/PE triplex laminates or others comprising metallised PET and PE slightly higher temperature. Aluminium foil dissipates heat away from the seal

  • Barrier Properties of Films Flexifoil Packaging

    Barrier Properties of Films. When it comes to choosing the right structure of laminates for your product it is important to take a look at the barrier & functional properties of various commonly used packaging films. For instance in the below table aluminium foil scores 10

  • Polymer Properties Database - polymerdatabase

    Polyester film is a high-performance, crystal clear thermoplastic made from polyethylene terephthalate (PET). In comparison with other common plastic films, PET film has high tensile strength, excellent dimensional stability, low moisture absorption, and good retention of physical properties over a fairly wide temperature range.

  • The effect of sand wind, temperature and exposure time on

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    The findings of this study show that the harsh environmental conditions of exposure to temperature and sand wind have significant degradable effects on the properties of the PE film. The transmission of the film and its mechanical properties have reduced significantly due to exposure to sand wind and temperature.

  • Innovations in Polymer Films for Medical Packaging MDDI

    Innovations in Polymer Films for Medical Packaging. including temperature extremes, humidity, contact with water, and exposure to contaminants and microbes. Packages also may encounter shock, stress, vibration, compression, and magnetic fields. low-density polyethylene film, foil, polyester film, polyethylene copolymer film, adhesives

  • [PDF]

    Oxygen Permeability Enhancements in Octene LLDPE Film

    negatively impact permeability, optics and sealability. Blending high-pressure, low density polyethylene (LDPE) into Zeigler-Natta or Single Site catalyzed linear low-density polyethylene (LLDPE) is a common practice used in blown and cast film manufacturing to improve processability without sacrificing key film

  • [PDF]

    Study on the Properties of UHMW-PE Film

    The 3gas permeability of UHMW-PE film is 546.57 cm ∙m−2∙24 h∙0.1MPa. UHMW-PE film is hopeful to be ap-plied in occasions packaging and transporting materials on gravity transport occasions. 3.2. Heat Resistance UHMW-PE film has superior properties in tribological aspects. The materials will increase temperature with rubbing long time.

  • Food Packaging Permeability Behaviour: A Report

    As described by Mrkić et al. , the highest effect of temperature was observed on PE film, compared with the other polymers studied (PA, PA/PE, BOPP, and BOPP/PE) attributed to the decreasing in crystallinity as analysed by DSC.

  • KR101563245B1 - High-efficiency multi-functional

    (Hereinafter referred to as "PE film"), an aluminum foil (hereinafter referred to as "Al foil") and a polyethylene film Film ") is applied to the upper surface of the PET film of the reflective film bonded by thermal fusion to aluminum deposition and invariant coating treatment to significantly reduce the emissivity, thereby maximizing the heat insulation effect.

  • [PDF]

    Understanding Plastic Film - American Chemistry Council

    polyethylene (PE) family accounts for approximately 86 percent of the resin sold and reported on in that al deliveries of bakery products; bags-in-a-box (film used to contain fluid in a supportive box, such as UNDERSTANDING PLASTIC FILM: Its Uses, Benefits and Waste Management Options uses, waste

  • [PDF]

    LIDDING FILMS - Wipak

    and shrinkable lidding films. Our product portfolio offers efficient lidding film solutions, from flat printing to high quality print images produced by means of gravure printing. Our special Wipak sealing layer technology allows for optimized film properties that meet even the most challenging customer requirements for the final package.

  • Self-Adhesive Bitumen Waterproof Membrane by Guangdong

    N has PE(Polyethylene),PET,and D(Non-PET film with adhesion in double side);PY has PE,S(sand),AL(Aluminum Foil),D;Its characteristics lie in suitable for wet substrate,no need to find flat substrate and painted surface disposal,free torch heat,integrating with the mortar or concrete perfectly. It's safe and environmental protection.

  • aluminum foil insulation bubble, aluminum foil insulation

    Heat insulation Aluminum foil bubble Laminated White Pe Film material for Heat insulation of houses US $0.3-2.8 / Square Meter 500 Square Meters (Min. Order) Tags: Heat Insulation Material Aluminium Foil Roof Heat Insulation Material Wall Heat Insulation Material

  • [PDF]

    Non-conductive films Conductive films

    independent on temperature and gas pressure. The burners are connected to the controller unit by special Another application of flame treatment is the lamination of paperboards with a PE-film. Flaming of the Longtime stability of the treatment effect on Al-foil with various thicknesses. Surface tension wbefore treatment is 32mN/m.

  • PBFY Glossary & Technical Information PBFY Packaging

    Tough, temperature resistant polymer. Biaxially oriented PET film is used in laminates for packaging, where it provides strength, stiffness and temperature resistance. It is usually combined with other films for heat sealability and improved barrier properties. PET-G Shrink Film Polyethylene Terephtalate Glycol shrink film. The most

Aluminum Production Process:

Melting and Holding Furnaces: Pure aluminum ingots are melted and alloyed with other elements by means of master alloy such as iron, silicon, manganese and magnesium. The material is analysed and adjusted to ensure the correct composition is achieved, then degassed, filtered and transfered to casting blocks to form aluminum slabs. The slab ends would then be sawn and scalped on both sides by slab saw.

Hot Rolling Mesta 1+2 Stands Tandem Mill: The scalped slab is then placed inside the preheating furnace to be preheated / homogenized and made ready for the hot rolling process. The heated slab is hot rolled back and forward several times through the hot resersing mill to achieve a certain thickness prior to roll in the 1+2 Stand Tandem Mill.The finished products are hot rolled coils and plate materials for further process.

On Line Quenching: Hot rolled coils are then processed in the Cold Rolling Machine to customers' required Thicknesses and further treated in the annealing furnaces to achieve the required temper / strength. The Cold Rolling Mill machine is equipped with Automatic Gauge Control (AGC) and Automatic Flatness Control (AFC) able to produce the closest tolerances required meeting the stringent worldwide standards.

Straightening Machine: Cold Rolled Coil are processed in the Finishing Department for further process as per customers' requirement such as: Tension Leveling for improving the flatness of the material prior to cut to lenght Line for final sheet products; Side Trimming for foil stock, slit coil and circle blanks; Embossing for embossed coils or sheets and roll forming for roofing products.

Strenching Machine: aluminum foil is placed in the Annealing Furnace by means of heat treatment to reach a specific temper and mechanical properties required by customers.

Polish and Film Coverage Procedure: The finished aluminium plates only have Mill Finish Surface, therefore, the polished surface need be produced as customer’s requiremend. These plates will be put on transmission shaft firstly, then, they will be sent to the polished machine to get polished. And the filim coverage machine joined with polished machine together in the end side. So as the film coverage will be done in the same time after plate polishing.

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