{"id":2253,"date":"2023-05-17T15:22:07","date_gmt":"2023-05-17T07:22:07","guid":{"rendered":"https:\/\/www.qualitester.com\/?p=2253"},"modified":"2023-11-27T09:55:37","modified_gmt":"2023-11-27T01:55:37","slug":"pet-bottle-mineral-water-beverage-bottle-and-bottle-cap","status":"publish","type":"post","link":"https:\/\/www.qualitester.com\/nb\/pet-bottle-mineral-water-beverage-bottle-and-bottle-cap\/","title":{"rendered":"Kvalitetstesting av PET-flasker og kapsler - En omfattende guide"},"content":{"rendered":"
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PET bottle refers to a plastic material called polyethylene terephthalate (polyethylene terephthalate), or PET for short, which is a compound of terephthalic acid and ethylene glycol. produced polymers. PET plastic has the characteristics of light weight, high transparency, impact resistance and not easy to break. It can also block carbon dioxide gas and keep soda water “gas”. PET bottles have strong applicability and are widely used in daily necessities, daily chemical packaging and other fields.<\/p>

PET bottles are reprocessed by blow molding to form plastic bottles, including bottles for cosmetics, medicine, health care, beverages, mineral water, reagents, etc. A method of blow molding to form PET plastic bottles.<\/p>

Quality inspection of PET bottles<\/p>

The routine testing of PET bottles includes verticality, bottle wall thickness testing, compression testing, cap opening, sealing and other testing items.<\/p>

The test items in this article are based on the standard<\/p>

QB2357-1998 polyester (PET) non-carbonated beverage bottle<\/p>

GBT17876-2010 Plastic anti-theft caps for packaging containers<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Vertikalitet<\/p>

According to the provisions of 5.2.4 in QB1868.<\/p>

Forseglingsevne<\/p>

Fill 5 sampling bottles with water of nominal capacity and twist (buckle) the cap tightly. Place the sample horizontally on a plane for 8 hours before checking.<\/p>

Vertical load<\/p>

Place five sampling bottles at 23\u00b12\u00b0C for more than 2 hours, apply vertical pressure on the sample bottles at a constant speed of 100mm\/min on the testing machine, record the maximum load of each sample for the first time, and take the arithmetic mean value.<\/p>

Slipp ytelse<\/p>

Fill 5 sampling bottles with water at 20\u00b15\u00b0C according to the nominal capacity, cover them well, and conduct a drop test on the concrete floor. The drop height is 1.8m, the bottle mouth is upward, and it falls freely.<\/p>

Sammendrag av testelementer for flaskehetter<\/p>

Test av forseglingsytelse<\/p>

Bruk en kappemaskin til \u00e5 forsegle den ikke-kullsyreholdige hetten i henhold til det nominelle dreiemomentet som oppfyller kravene, test den med en tetningstester, trykk til 200 kPa, hold trykket under vann i 1 min, observer om det er luftlekkasje, \u00f8k deretter trykket til 350 kPa, og hold trykket i 1 min, observer om flaskehetten er l\u00f8s og spretter opp.<\/p>

Bruk kappemaskinen til \u00e5 forsegle kullsyrehetten i henhold til det nominelle dreiemomentet som oppfyller kravene til kapping, kutt av tyverisikringen, test med en tetningstester, trykk til 690 kPa, hold trykket under vann i 1 min, observer om det er luftlekkasje, og \u00f8k deretter trykket til 1207 kPa, hold trykket i 1 min, og observer om flaskehetten spretter ut.<\/p>

Slipp ytelse<\/p>

Etter \u00e5 ha injisert det nominelle volumet av vann i flasken, bruk en kappemaskin til \u00e5 forsegle den ikke-kullsyreholdige hetten i henhold til det nominelle dreiemomentet som oppfyller kravene til kapping, og test i henhold til f\u00f8lgende krav for \u00e5 observere om hetten flyr av og om forseglingen lekker.<\/p>

After filling the bottle with carbonated water with a nominal capacity of Chinese 4.2\u00b10.1 volume of carbon dioxide, use a capping machine to seal the carbonated cap at a fixed torque that meets the capping requirements, and test according to the following requirements to observe whether the cap is flying off and whether the seal is Leakage<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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