PE in packaging materials, all kinds of time: 2020 -
04 -
22 a bags in addition to accommodate storage products, more important is to make the product isolated with the outside world so as to protect the product.
In addition, packaging materials and products of molecular interactions that product deterioration has become a packaging manufacturers need to solve the problem.
This article focuses on how we solve this problem.
Packaging manufacturer PE film is widely accepted and direct contact with the product.
So, what is PE film?
PE, the full name of Polyethylene, the structure is the simplest polymer organic compound, the world's most widely used polymer materials.
Is most widely used packaging industry, the dosage of biggest film type.
PE protective film with special polyethylene (
PE)
Based on the material of plastic film, divided into high density PE protective film, according to the density of medium density polyethylene and low density polyethylene.
PE protective film the biggest advantage is protected products in production and processing, transportation, storage and use process from pollution, corrosion, scratches, protect the original bright and clean bright surface, thus improve the quality of the products and market competitiveness.
According to the viscous force points mainly: ultra-low stick protective film, low stick protective film, high low stick protective film, adhesive protective film, adhesive protective film, high adhesive protective film 1.
Ultra stick protective film (
The micro bottom glue)
Features: thick (
≥
0.
03m±
0.
003).
, and the width (
≤
1.
3)
, high (
100 -
1500).
, the base material (
PE)
, peel strength,
≤
5g/cm)
, heat resistance,
60)
, stretching rate (>
400).
Purpose: easy to use easy to stick and rip, no residue, suitable for organic board, instrument and meter, display, glass lenses, plastic lenses, etc.
2.
Low viscosity protective film features: thick (
≥
0.
03m±
0.
003).
, and the width (
≤
1.
3)
, high (
100 -
1000).
, the base material (
PE)
, peel strength,
10 -
20g/cm)
, heat resistance,
60)
, stretching rate (>
400).
Purpose: moisture stability, attached with a good, then peeling performance is good, no residue, applicable to steel plate lens, titanium, smooth plastic plate, screen printing, inscription famous brand, etc.
3.
Low viscosity protective film features: thick (
≥
0.
03m±
0.
003).
, and the width (
≤
1.
3)
, high (
100 -
1000).
, the base material (
PE)
, peel strength,
30 -
50g/cm)
, heat resistance,
60)
, stretching rate (>
400).
Purpose: moisture stability, attached with a good, then peeling performance is good, no residue, suitable for furniture polaroid plate, stainless steel plate, ceramic tile, marble, artificial stone, etc.
4.
Characteristics: stick protective film in thick (
≥
0.
05±
0.
003).
, and the width (
≤
1.
3)
, high (
100 -
1000).
, the base material (
PE)
, peel strength,
60 -
80g/cm)
, heat resistance,
60)
, stretching rate (>
400).
Purpose: moisture stability, attached with a good, then peeling performance is good, no residue, is suitable for fine grinding plate and generally difficult to glue material surface protection, etc.
5.
Stick protective film features: high thick (
≥
0.
05±
0.
003).
, and the width (
≤
1.
3)
, high (
100 -
800).
, the base material (
PE)
, peel strength,
80 -
100g/cm)
, heat resistance,
60)
, stretching rate (>
400).
Purpose: moisture stability, attached with a good, then peeling performance is good, no residue, is suitable for fine grinding plate, aluminum-plastic plate, hard plastic board, etc.
6.
Ultra stick protective film features: thick (
≥
0.
04±
0.
003).
, and the width (
≤
1.
3)
, high (
100 -
800).
, the base material (
PE)
, peel strength,
More than 100 g/cm)
, heat resistance,
60)
, stretching rate (>
400).
Purpose: high viscosity and select the water-borne acrylic pressure sensitive adhesive, easy to use, easy to stick and rip, no glue phenomenon.
Suitable for difficult sticky material such as coarse grained aluminum plate with the progress of the society, all sorts of material equipment development.
But in direct contact with the product film products has not changed, is one such ordinary plastic material.
Use scope involves the
food packaging and pharmaceutical industries.
In any film class dosage firmly in the packaging industry occupies the head.
The previous: food packaging material analysis under a: aluminum foil bag with aluminized bag appearance distinguish methods and transmission test
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