Cosmetics packaging testing method and testing instrument is introduced1
as the modern fashion consumer goods, cosmetics should not only have the exquisite packaging, at the same time also need in transportation or shelf period for product the best protection. Combining with the cosmetics packaging testing and application requirements, now will the test items and test methods to carry on the summary, in order to cosmetics and cosmetic packaging supplies production enterprise help in terms of packaging testing and quality control.
a, cosmetics packaging transportation test
through transport, shelf display, such as link to reach consumers' hands in good condition, we have to have good transport packaging. Now cosmetics transport mainly corrugated carton packaging, main detection index is the cartons compressive strength and stacking test.
1, carton compressive strength test. 2, carton stacking test
in the process of shipping cartons need stacking place, at the lowest layer of carton to bear the pressure of upper multiple cartons, not to collapse, must be appropriate compressive strength after stacking, so for stacking and maximum crushing force both detection is very important.
2, cosmetics packaging and printing quality detection
to have good visual aesthetic feeling, all beautifully printed, for its printing quality detection is more important. Now cosmetics printing quality detection routine project for printing ink film abrasion resistance ( Scratch resistance) And adhesion fastness testing, color discrimination.
people usually observe the color in the sun, so the industrial production of fine color to contend with approximate real job requires lighting light source is the spectral power distribution of the sun, that is specified in the CIE D65 standard light source. In color matching process is, however, there is a very special phenomenon: the sample is the same as the color sample will appear in the first light, while a light outside don't appear the color difference, the so-called phenomenon of same color spectrum, so choosing a standard light source box must have double light source.
3, cosmetics
the non-drying label detection has been widely applied in the cosmetics packaging and label the test project is aimed at the non-drying label, Stickers or pressure sensitive adhesive) Bond performance test, the main test items include: initial adhesion ability, can hold the viscous, peel strength, Stripping force) Three indicators.
4, cosmetic packaging performance test block
the blocking performance is one of the important test cosmetics packaging. Barrier property refers to the packing material for gas, liquid infiltration barrier, such as blocking performance is an important factor affecting the quality of products during shelf period.
cosmetic ingredients in the unsaturated bond is very easy to caused by oxidative rancidity deterioration, water erosion is easy to make cosmetics hard hardening, while the aroma of cosmetics, keep for cosmetics sales played a vital role. Oxygen barrier performance testing include cosmetic packaging for five, water vapor, aromatic gas through performance test.
1, oxygen transmittance detection, the index is mainly used for cosmetic packaging film, composite membrane and cosmetic bags or bottles of package of oxygen transmittance detection.
2, water vapor transmittance detection, mainly used in cosmetics packaging film materials and packaging containers, such as bottles, bags, cans of water vapor transmittance measurement. Through the determination of water vapor transmittance, control and adjust the technical index of packaging materials and other products, meet the different needs of application.
3, performance testing, the indicators are important for cosmetics, once the cosmetics fragrance is lost or change will influence the sales of the products.
six other physical and mechanical index, cosmetic packaging and packaging materials testing
cosmetics packaging for cosmetics in the packaging on the mechanical properties of the processing, transportation, plays an important role during the shelves. It is directly determined by the quality of food safety problems in circulation. Collect all the test items include: tensile strength and elongation, composite film peel strength, heat sealing strength, sealing and leakage, impact resistant performance, material surface smooth performance indicators such as
7, cosmetics packaging material thickness test
cosmetics packaging materials ( Thin film or sheet) Thickness is uniform, is the basis of the test film properties. Film thickness is not uniform, not only affect the tensile strength, barrier property, etc. , in all parts of the film will affect the subsequent processing film. There are many types of thickness measurement, generally divided into the non-contact and contact: non-contact including ray, eddy current, ultrasonic etc; Contact in the industry, also known as mechanical thickness, divided into contact with the surface contact. At present cosmetic membrane thickness of laboratory tests using mechanical surface contact test way, this method is also referred to as the thickness of the arbitration method.
7, cosmetics packing seal and leak detection
cosmetics packing seal and leak detection is refers to the packaging to prevent other material into the characteristics of the escape or built-in objects. Commonly used detection method has two kinds of methods, the water pressure and positive pressure test.
8, cosmetics packaging headspace analysis:
oxygen and water vapor are the main factors affecting the vast majority of product shelf life, the study found that by controlling the composition of gas inside the cosmetics packaging ratio can effectively extend the shelf life of products or to improve the quality of preservation, cosmetics in filling done with a small amount of air remaining in the packaging, in order to detect and analysis the sack of oxygen or air volume analysis, we have to using headspace gas analyzer.
9, cosmetics bottle class packaging testing instruments
type of packing is now use more packaging packaging field. The caps lock, open the torque value, the size of the production unit is one of the key control parameters offline or online. The torque value, whether it's appropriate to the middle of the product transportation, as well as the final consumption has great influence. Testing open bottle cap with the locking force needed a NLY - 20 torque device for testing.