Why BOPP film is used widely? What applications does it have?

Sumino BOPP BOPE BOPET BOPLA film machine now is a hot production line now , many clients want to start with this plant to make their business,as for this biaxially oriented technology,it is quite not easy and in China,only several factories have this technology to make the machine that can paoduce the film well.

If you want to find a reliable supplier of the machine,Nanjing Sumino Precision Machinery Co.,Ltd is the best choice with the latest technology from Japan and updated by the engineer in China,the stability and function of the machine is much better than the traditional BOPP BOPE BOPET BOPLA film machine.

The following let us know some basic knowledge of the bopp film line to know more about the biaxially oriented technology.

Brief introduction

Biaxially oriented polypropylene film (BOPP) is generally a multi-layer co-extruded film, which is made by co-extrusion of polypropylene particles to form a sheet, and then stretched in both vertical and horizontal directions. Due to the orientation of the stretched molecules, the film has better physical stability, mechanical strength, air-tightness, slightly higher gloss, toughness and wear resistance, and is a widely used printing film with a thickness of 20-40μm in general. The most widely used is 20 biaxially oriented polypropylene film. The main disadvantage is poor heat sealability, so it is generally used as the outer layer of composite film, such as moisture resistance, transparency, strength, stiffness and printability after being composited with polyethylene film. Both are ideal and suitable for holding dry food. Since the surface of the biaxially oriented polypropylene film is non-polar, the crystallinity is high, and the surface free energy is low, its printing performance is poor, and its adhesion to ink and adhesive is poor. It needs to be carried out before printing and lamination. Surface treatment.

Features
Biaxially oriented polypropylene(BOPP) film has the advantages of light weight, non-toxic, odorless, moisture-proof, high mechanical strength, good dimensional stability, good printing performance, and good transparency. It has the advantages of high transparency, good gloss, good barrier properties, high impact strength and low temperature resistance. The disadvantage is that the film shrinks easily during heat sealing (except for the heat shrinkable smoke film using its heat shrinkage performance). Its comprehensive performance is better than moisture-proof cellophane, polyethylene (PE) film, and PET film. BOPP film also has excellent printing effects. The representative physical property data are: haze<1.5%; gloss>85%; tensile strength (longitudinal/transverse)>120/200MPa; elongation at break (longitudinal/transverse)<180%/65%; modulus of elasticity It is 1700～2500Mpa; the embrittlement temperature is -50℃.
Disadvantages: The elongation is lower than that of PP, the heat-sealing performance is poor, it is not easy to seal when used independently, and it is generally combined with PE and other films with good heat-sealability when used.
Advantages: high tensile strength, good barrier performance, and high transparency.
Due to the molecular orientation, the crystallinity is improved, the tensile strength, impact strength, rigidity, toughness, moisture resistance, and transparency are all improved, and the cold resistance of the film is also improved;
Has good gas barrier and moisture resistance;
High transparency, good gloss, good printability;
It is non-toxic, odorless and tasteless, and can be directly used in the occasions where it comes into contact with food and medicine.

Variety 
According to the use of biaxially oriented polypropylene film, it is divided into the following categories:
1. Ordinary BOPP film
2. BOPP heat sealing film
3. BOPP cigarette packaging film
4. BOPP pearl film
5.BOPP metallized film
6.BOPP matting film
7. BOPP anti-fog film
8.BOPP film
9.BOPP anti-counterfeiting film
10.BOPP paper ball film

Applications
A wide range of packaging for food, candy, cigarettes, tea, juice, milk, textiles, etc., has the reputation of "Packaging Queen". The wide application of BOPP film, the low pollution and the protection of forest natural resources have made it a more popular packaging material than paper and polyvinyl chloride (PVC). The manufacturing process is simple and reliable, and the price is reasonable. Stretched polyester (BOPET) film and biaxially oriented nylon (BOPA) film are more widely used packaging materials. BOPP film can be compounded with other materials with special properties to further improve or improve performance. Commonly used materials include PE film, cast polypropylene (CPP) film, polyvinylidene chloride (PVDC), aluminum film, etc.

What is the machine to make BOPP BOPE BOPET BOPLA film?

Technological process: extruder-precision filter chamber-melt pump-hanger-type die-casting molding--NDC thickness gauge--MDO axial stretching machine-thickness

Device model	1200	2400	3600	4800
Product width (mm)	1000	2200	3400	4600
Product thickness (mm)	0.1—0.3mm	0.1—0.3mm	0.1—0.3mm	0.1—0.3mm
Maximum linear speed m/min	40—150m	60-180	80-250	100-300
Film width width mm	200～400mm	400-600	600—1000	800-1200
Maximum stretch width mm	1200mm	2400mm	3600mm	4800mm
Film width range mm	8000～1200mm	2000-2400	3200-3600	4200—4800
Maximum stretch ratio	1:5	1:6	1:7	1:8

Company Profile

Nanjing Sumino Precision Machinery Co., Ltd. is a high-tech enterprise integrating scientific research, production and sales. It has always adhered to the business philosophy of integrity, equality, and customer benefits. In order to better improve the quality of equipment, it has entered a more professional and standardized Production track. We have established independent research and development technologies for seven categories of equipment including plastic sheet material, casting, bi-stretching, non-woven non-woven meltblown cloth, laminating film composite, recycled granulation environmental protection recycling system and coating machine manufacturing system. The center and production department provide a full set of professional technical solutions to meet the special needs of each customer. Among them, the biaxially oriented film manufacturing system includes: BOPP biaxially oriented film manufacturing system, PVC biaxially oriented shrink film production line, PET biaxially oriented film production line, BOPA biaxially oriented film production line, BOPA biaxially oriented film production line, etc.
Company Address: No. 11, Kaifeng Road, Moling Street, Jiangning District, Nanjing City, Jiangsu Province

Sue

International Business Development Department Manager

Nanjing Sumino Precision Machinery Co.,Ltd

Add: Kaituo Road No.11, Jiangning Distract, Nanjing, China.
Tel: +86 025-51839686 
Fax: +86 025-51839687
Mob/Wechat/Whatsapp: +86 177 1241 3069

Email: suqian@susumino.com

Web: sumino.en.alibaba.com / www.susumino.com/www.njsumino.com