BOPP and BOPP Film Testing

BOPP examining is important with regard to BOPP high quality control. BOPP(Biaxially Oriented Polypropylene) cigarette film, by using will be exceptional water filter property, optical performances, heat complience seal home as well as substantial temperature closure strength, good shrinking rate plus great stiffness, can be the very first decision for vapor smoke film. The testing products of BOPP is the view regarding BOOP film performance. In arrangement to help much better command the quality of BOPP e cigarette film, Labthink, combines your testing demand from customers and innovates the particular relevant BOPP smoke film testing approaches and items, so as to provide valuable facilitates for the smoke companies.

A. Moisture Barrier Property Testing of BOPP Cigarette Film

High dampness filter property operation is a should to get smoke deal in an attempt to stay clear of damage attributable to moisture. At present, this kind of aspect is not fully recog nized with the vapor smoke manufacturers. Labthink PARAM TSY-T1H is developed reported by ASTM E96, ISO 2528 along with other standards to help test wetness transmission rate regarding materials. The reduced WVTR your better. But, bigger filter home suggests a lot more costs. Therefore, the most popular info is usually not as much as 10g/m2.day or 5g/m2.day.

B. Thickness regarding BOPP

Thickness of BOPP smoke motion picture is a simple picture performance index. Uneven thickness will impact your tensile energy as well as permeability along with this procedures. Thicker marlboro film might have better rigidity by using better graphic performance. But, the cost would also become great. In obtain to choose the balanced solution, higher precision fullness tester is actually needed. Labthink PARAM CHY-C2 is the lab breadth tester along with the actual precision approximately 0.1um. When testing thickness inside distinct directions, deviation should be controlled wit hin 3% usually. Meanwhile, the edge thickness regarding BOPP video has to be measured.

C. BOPP Cigarette Film Tensile Strength, Elongation and Elastic Modulus

Cigarette deal calls for large tensile strength connected with BOPP films, which often can considerably minimize the break during packaging process. Generally, 140N/mm2 vertically and 200N/mm2 crosswise are required. Elongation rate is designed for investigation of incision easiness regarding films. Cigarette appearance marketplace takes a different approach from other industries. Higher elongation charge is not better. Max. limitations involving 200% vertically and 80% crosswise can certainly guarantee easy incision and assembling smoothness. Other market sectors call for those two indexes. But smoke package deal necessitates a lot more precise requirements on incision easiness during high speed production. Therefore, Elastic Modulus tests can also be decide to put forward. Labthink PARAM XLW(PC) Auto Te nsile Tester is a specialist tester for film as well as their tensile toughness together with Elastic Modulus testing. Low Elastic Modulus will result in more painful stiffness, unsuccessful manufacturing procedure and second-rate incision easiness in addition to offer the break point plus video obstruction.

Commonly, Elastic Modulus is essential to become earlier mentioned 2000N/mm2 regarding cigarette film. However, when testing Elastic Modulus, assessment ailments as well as temperatures have to be emphasized. Otherwise, the effects will range greatly. Therefore, diagnostic tests affliction has to be stated.

D. The Heat Seal Strength involving BOPP Cigarette Film

BOPP is actually essential to get high heat seal energy along with more expansive heat close off scope through the cigarette industry, to be able to increase providing velocity as well as suitable operation. If the warmth seal temperatures can be higher, it will produce anti-wrinkle due to increased BOPP roll film shrinkage. Therefore, good temperature seal temperature need to be picked so as in order to avoid volatile warmth seal, wrinkle along with phenomena. The warm close up type of BOPP marlboro film is definitely heat-pressure seal, that is, for you to temperature seal at a number of high temper ature complience seal temperature, demand and period. The warmth closure assessment is always to test this minimum temperature seal isolating pressure immediately after heat sealing. It is actually extensively utilized inside vapor smoke marketplace that Labthink PARAM HST-H3 Heat Seal Tester and PARAM XLW (PC) Auto Tensile Tester are used together. The warm close off durability involving smoke is generally required to become previously mentioned 2.0N/15mm. Now, with all the development regarding butt packaging machine, decreased temperatures temperature closure motion picture will become extra popular, which will requires that heating close up power earlier mentioned 1.5N/15mm.

E. BOPP Cigarette Film Coefficient regarding Friction Testing

The smoothness of BOPP smoke roll film is definitely one important catalog regarding BOPP films along with is definitely the actual testing conditions returning combined with dsl internet cable packing.

There are four different situations that have to have coefficient associated with friction testing, namely, this coefficient regarding scrubbing belonging to the film as well as the metal aspect with the equipment or this shift belt; the within side among films; that movie inner edge and also the smoke exterior package; as well as the outside motion picture aspect along with the outer package. Of most of these four coefficients of friction, the first should possibly be low in an attempt to superior transfer the particular butt deal and improve taking speed.

The within coefficient of friction should be a lttle bit higher than which of the outside film as well as the unit sheet metal facet pertaining to precise location of picture as well as marlboro package so that you can improve heat close off level of quality and also back effects. The coefficient of film and surface paper proverbial box need to be low regarding easy insertion of marlboro packages. The diagnostic tests rate is 100 mm/min, and also 150mm/min around US Standard. Labthink PARAM MXD-02 Coefficient with Friction Tester complies using many specifications as well as US criteria in addition to international standards, as well as receives huge applications. Since the referrals pertaining to smoke video coefficient associated with chaffing varies, e.g., material panel, cigarette box, inside as well as exterior factors with films, etc., the coefficient involving friction is normally in between 0.2-0.6.

F. The Heat Shrinkage Testing with regard to BOPP Cigarette Film

BOPP video high temperature shrinking is actually mainly applied for your evaluation of high temperature steadiness under diverse circumstances or perhaps several factors. For stiff butt package, this sort of rigid package has excellent service effect, around which will higher shrinking roll film can be applied to be able to be able to obtain possibly plus attractive visual effects. Therefore, rigid package requires you r high temperature shrinking associated with BOPP cigarette roll film to be up that will 8% for you to 12%.

But, deformation bring about by way of large shrinking quote may be a trouble for ordinary adaptable marlboro package. Generally, the particular shrinking charge will be taken care of within 3%-7%. For high temperature shrinkage testing of BOPP smoke film, ASTM D 2732, and also GB/T 13519 will be applied. Take Labthink PARAM RSY-R2 Film Free Shrink Tester as a possible example; mark this up and down and crosswise traces to the specimen with obvious signal with direction. Put this specimen involving that frame, in addition to promptly come out in to 1202C constant temp medium regarding 20 seconds. Then, present themselves that example of beauty to the well prepared natural temps bath to get 5 seconds, in addition to take it out. Lay horizontally and also evaluate the up and down along with crosswise measurement inside 30 minutes. The way of measuring ought to be using accuracy approximately 1 mm. At present, several corporations heats 1 minute, a few minutes and also different ailments less than 120C with various testing results.

G. BOPP Cigarette Film Abrasion Resistance Testing

With stricter prerequisites pertaining to abrasion resistance, unfavorable scratching level of resistance effectiveness would likely drastically have an impact on the wonder with the marlboro package. The testing regarding abrasion resistance could be to stay clear of scratch on the exterior with the product brought on by the make contact with involving film floor as well as the machine; so to stay clear of injuries a result of picture plus surface package. Labthink PARAM MCJ-01A Rub Tester might be requested for the actual test. Take an item of sparkling counteract documents of 50mm size and also 80g/m2 onto the caress tester. Cut a sheet of BOPP cigarette connected with a number of sizing and wear the rub platform. Set your rub times along w ith start to notice your abrasion.

Above all, there are plenty of BOPP butt video screening items. When testing, specific models should be applied; or maybe unified tests disorders pertaining to data comparison. Labthink, will be prepared to acquire additionally dialogues on BOPP movie and its excellent together with pro's in the industry.

Labthink Instruments Co., Ltd.

No. 144 Wuyingshan Road, Jinan 250031, China

Tracy Bao info@labthink.cn

Tel: 0086 531 85061153 fax:0086 531 85812140