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Business scope: Production and sales: tin cans, packaging materials, packaging boxes; sales: metal products

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Popularization of knowledge of tin boxes and tin cans

Popularization of knowledge of tin boxes and tin cans

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  • Time of issue:2020-10-28 15:34
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(Summary description)Tinboxes,whichmanypeoplecalltincans,aremadeoftinplateasarawmaterial,whichisapackagingboxmadeoftinplatethroughdifferentprocessessuchasweldingorstampingandclasps.Becauseitismadeoftinplateasrawmaterial,itisalsocalledtinplatebox.Whatisthedifferencebetweenatinboxandatincan?Infact,thereisnostrictdifferenceatthispoint.Generallyspeaking,squareandrectangularonesarecalledboxes,androundonesarecalledcans.Characteristics:1.OpacityInadditiontocausingfooddeteriorationreactions,lightcanalsocausechangesinproteinandaminoacids.VitaminCismorelikelytointeractwithotherfoodingredientswhenexposedtolight,resultinginalargeamountofloss.Accordingtoresearchandanalysis,thelossofvitaminCinclearglassbottledmilkis14timeshigherthanthatofdarkbottledmilk.Lightcanalsoproduceoxidativeodors,aswellasthecleavageofnuclidesandmethioninetolosenutritionalvalue.TheopacityoftinplatemakesthepreservationrateofvitaminChighest.2.GoodsealingThebarrierpropertiesofthepackagingcontainertoairandothervolatilegasesareveryimportantforthepreservationofnutrientsandsensoryquality.ComparisonofvariousjuicepackagingcontainersprovesthattheoxygentransmissionrateofthecontainerdirectlyaffectsthebrowningofjuiceandthepreservationofvitaminC;metalcans,glassbottles,aluminumfoillaminates,andcartonswithlowoxygentransmissionratecanpreservevitaminCItisbetter,andtheironcanisthebest.3.ReductionoftinThetinontheinnerwallofthetinplateinteractswiththeoxygenremaininginthecontainerduringfilling,reducingthechanceoffoodingredientsbeingoxidized.Thereductioneffectoftinhasagoodpreservationeffectontheflavorandcoloroflight-coloredfruitsandjuices.Therefore,juicecanspackedinunpaintedironcanshavebetternutritionpreservationthanjuicecanspackedwithotherpackagingmaterials,andthebrowningchangeisslight.Theflavourqualityisbetteraccepted,andtheshelflifeisthusextended.IronboxstandardMainparts:reflectthemainbody'spattern,text,markandbarcodeposition.Slightscratches:nomorethan0.3mm*20mmontheprintedsurface,noironscratchmarks.Mainviewingsurface:Theexternalsurfacethatcanbeobservedbyplacingthefrontoftheproductgraphicandtextdirectlyinfrontofanddirectlyundersunlight.Non-frontalview:Surfacesotherthanthefrontalview,suchastheback,side,bottom,andinnersurfaces.

Popularization of knowledge of tin boxes and tin cans

(Summary description)Tinboxes,whichmanypeoplecalltincans,aremadeoftinplateasarawmaterial,whichisapackagingboxmadeoftinplatethroughdifferentprocessessuchasweldingorstampingandclasps.Becauseitismadeoftinplateasrawmaterial,itisalsocalledtinplatebox.Whatisthedifferencebetweenatinboxandatincan?Infact,thereisnostrictdifferenceatthispoint.Generallyspeaking,squareandrectangularonesarecalledboxes,androundonesarecalledcans.Characteristics:1.OpacityInadditiontocausingfooddeteriorationreactions,lightcanalsocausechangesinproteinandaminoacids.VitaminCismorelikelytointeractwithotherfoodingredientswhenexposedtolight,resultinginalargeamountofloss.Accordingtoresearchandanalysis,thelossofvitaminCinclearglassbottledmilkis14timeshigherthanthatofdarkbottledmilk.Lightcanalsoproduceoxidativeodors,aswellasthecleavageofnuclidesandmethioninetolosenutritionalvalue.TheopacityoftinplatemakesthepreservationrateofvitaminChighest.2.GoodsealingThebarrierpropertiesofthepackagingcontainertoairandothervolatilegasesareveryimportantforthepreservationofnutrientsandsensoryquality.ComparisonofvariousjuicepackagingcontainersprovesthattheoxygentransmissionrateofthecontainerdirectlyaffectsthebrowningofjuiceandthepreservationofvitaminC;metalcans,glassbottles,aluminumfoillaminates,andcartonswithlowoxygentransmissionratecanpreservevitaminCItisbetter,andtheironcanisthebest.3.ReductionoftinThetinontheinnerwallofthetinplateinteractswiththeoxygenremaininginthecontainerduringfilling,reducingthechanceoffoodingredientsbeingoxidized.Thereductioneffectoftinhasagoodpreservationeffectontheflavorandcoloroflight-coloredfruitsandjuices.Therefore,juicecanspackedinunpaintedironcanshavebetternutritionpreservationthanjuicecanspackedwithotherpackagingmaterials,andthebrowningchangeisslight.Theflavourqualityisbetteraccepted,andtheshelflifeisthusextended.IronboxstandardMainparts:reflectthemainbody'spattern,text,markandbarcodeposition.Slightscratches:nomorethan0.3mm*20mmontheprintedsurface,noironscratchmarks.Mainviewingsurface:Theexternalsurfacethatcanbeobservedbyplacingthefrontoftheproductgraphicandtextdirectlyinfrontofanddirectlyundersunlight.Non-frontalview:Surfacesotherthanthefrontalview,suchastheback,side,bottom,andinnersurfaces.

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  • Time of issue:2020-10-28 15:34
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Information

	Tin boxes, which many people call tin cans, are made of tinplate as a raw material, which is a packaging box made of tinplate through different processes such as welding or stamping and clasps. Because it is made of tinplate as raw material, it is also called tinplate box. What is the difference between a tin box and a tin can? In fact, there is no strict difference at this point. Generally speaking, square and rectangular ones are called boxes, and round ones are called cans.
Characteristics:
1. Opacity
In addition to causing food deterioration reactions, light can also cause changes in protein and amino acids. Vitamin C is more likely to interact with other food ingredients when exposed to light, resulting in a large amount of loss. According to research and analysis, the loss of vitamin C in clear glass bottled milk is 14 times higher than that of dark bottled milk. Light can also produce oxidative odors, as well as the cleavage of nuclides and methionine to lose nutritional value. The opacity of tinplate makes the preservation rate of vitamin C highest.
2. Good sealing
The barrier properties of the packaging container to air and other volatile gases are very important for the preservation of nutrients and sensory quality. Comparison of various juice packaging containers proves that the oxygen transmission rate of the container directly affects the browning of juice and the preservation of vitamin C; metal cans, glass bottles, aluminum foil laminates, and cartons with low oxygen transmission rate can preserve vitamin C It is better, and the iron can is the best.
3. Reduction of tin
The tin on the inner wall of the tinplate interacts with the oxygen remaining in the container during filling, reducing the chance of food ingredients being oxidized. The reduction effect of tin has a good preservation effect on the flavor and color of light-colored fruits and juices. Therefore, juice cans packed in unpainted iron cans have better nutrition preservation than juice cans packed with other packaging materials, and the browning change is slight. The flavour quality is better accepted, and the shelf life is thus extended.
Iron box standard
Main parts: reflect the main body's pattern, text, mark and barcode position.
Slight scratches: no more than 0.3mm*20mm on the printed surface, no iron scratch marks.
Main viewing surface: The external surface that can be observed by placing the front of the product graphic and text directly in front of and directly under sunlight.
Non-frontal view: Surfaces other than the frontal view, such as the back, side, bottom, and inner surfaces.

 

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