Semi-conductive Water-blocking Metal Shield Flame Retardant Wearing Tape

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Application: It is mainly used for shielding layer of high voltage cable and extra-high voltage cable.

Q:Why is plastic strapping broken?: Is there any quality problem? The packing bags are all made of their own masterbatch. A serious imbalance in the proportion lead to too brittle packing belt. Or stored for a long time, long sunny rain. It might get crispy. Originally, the quality of plastic belt maintenance time is very long, it is a substitute for steel belt in horizontal wet packaging environment. It should be low cost and strong breaking force.

Q:Semi automatic packing and full automata are used for packing and distinguishing: Experts see doorways, the difference between the two packaging beltThe first is the difference between the material, the recycled material, the filler and the pure particle materialThird, the difference between lift and lift is not a little; that is to say, if the semi automatic strapping belt receives 40 kilograms of tension, the new material can withstand 180-200 kilogramsThen there is a big difference in price, but there is a big difference, from the weight point of view, are almost the same, but if from the length of a single roll of view, it is more obvious, less than 1000 meters and 3000 meters

Q:What are the classification of the packing belt?: In nature, PP and PET are classified;The material is divided into regeneration material and new material;The belt and the manual packing belt are used for the extension.

Q:What is the reason that the packing belt of the packer is not glued?: Packaging materials with the belt has a bearing, you may have this batch of packaging materials, raw materials doped more ingredients, and now on the market with the main component of polypropylene, commonly known as PP. A better pack should have a PP content of more than 95%. Other ingredients are complex, such as mixing calcium carbonate, talc, wollastonite, glass fiber and other inorganic fillers. If the ingredients are more, the hot-melt viscosity is poor. It is recommended that you provide the supplier with the matching parameters.

Q:What material is the packing belt made of?: The copolymer type PP material has lower thermal deformation temperature (100 DEG C), low transparency, low gloss and low rigidity, but has stronger impact strength, and the impact strength of PP increases with the increase of ethylene content. The softening temperature of VEKA at PP is 150 DEG C. Because of its high crystallinity, the surface stiffness and scratch resistance of this material are very good. There is no environmental stress cracking in PP.The melt mass flow rate (MFR) of PP is usually at 1~100. The low MFR PP material has better impact resistance, but its strength is lower. For the same MFR material, the impact strength of copolymer is higher than that of homopolymer. As a result of crystallization, the shrinkage of PP is quite high, generally 1.6~2.0%.

Q:Is packing with a shelf life?: PP packaging belt and PET packaging belt collectively referred to as plastic packaging belt, as plastic resistance to oxidation, generally can store about a year and a half.

Q:How about the theoretical length of the packing belt?: The whole set is packaged with a paper tube. If you have to use steel tape, packing tape paper tube diameter measurement, measuring the thickness of the side straps, two data obtained, then add. Is packaged with from the inner circle to an arbitrary side edge length and then put the]. The above, these three data finally obtained and multiplied, and then multiplied by 3.1416, the last is equal to the disc pack how many meters (remember, this formula is only suitable for the disk pack, and the circular disc pack, round the middle part must be hollow

Q:The packer does not have a packing belt: There is a foreign matter in the extension, and it can not be cleaned and maintained in time. The packing machine is temporarily used. So that the machine has stolen goods inside, so that the belt is not smooth and free, should be more cleaning and maintenance.

Q:What kind of joints are used in the packing belt?: Hot dip lap pack.Hot melt lapped by electrothermal welding, packing machinery high-frequency welding and ultrasonic welding and heating method, plastic surface heat melting, two with end face lapping up melting under pressure, to maintain a certain period of time, to be melted surface condensation, adhesive plastic belt joint way. Features: hot lap package is a package of new, suitable for polypropylene plastic bag, polypropylene plastic belt with iron because if the button is fixedly connected with the mechanical strength, only 50% of that of the base material, adhesive connection does not apply. The excuse is firm and beautiful, but it can not be untied.

Q:How is the packing belt sold?: The packing belt is usually sold by the kilo, and some will be sold by volume, as per the guest's custom.

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