What types of industrial paper products are there? What are the application scopes?

Types and application scope of industrial paper products (detailed analysis)

Industrial paper products are the core auxiliary materials in the fields of industrial production, logistics and transportation, packaging and protection, and their types are classified according to the dimensions of raw materials, processing technology and functional characteristics, covering the whole scene from basic protection to high-precision industrial application. The following is a detailed description of the main types and subdivision applications, combined with the actual needs and technical characteristics of the industry:

I. Core types and applications classified by functional characteristics

1. Packaging protective industrial paper products (the largest amount and the widest application)

(1) Corrugated Cartons

Classification: according to the corrugated shape, it is divided into A, B, C, E, F and G types (A/B type has strong cushioning, and E/F type is thin and hard for fine packaging); According to the number of layers, it is divided into single corrugated (3 layers), double corrugated (5 layers) and triple corrugated (7 layers).

Core features: light weight, high strength, shock absorption, recyclability, low cost, and support for printing customization.

Scope of application:

General industry: transportation and packaging of mechanical parts, hardware tools, electronic components and auto parts (such as export packaging of non-standard oil cylinders and machined parts of Kunshan Gaoli Seiko);

Consumer electronics: the outer packaging boxes of mobile phones, household appliances and computers (used with cushioning materials);

Logistics e-commerce: turnover boxes for bulk commodities and express parcels, which support stacked storage and reduce logistics costs.

(2) Honeycomb Paperboard.

Classification: 8mm, 10mm, 12mm, etc. according to the aperture; According to the number of layers, it is divided into single-layer honeycomb core+double-sided paper and multi-layer composite honeycomb board.

Core characteristics: higher strength than corrugated box (compressive strength is 5-10 times that of corrugated box with the same weight), excellent cushioning performance, environmental protection and degradation, suitable for heavy product packaging.

Scope of application:

Heavy machinery: packaging of optical glass processing equipment and automatic production line components (to prevent collision and deformation during transportation);

Building materials: protective packaging of tiles, stones, doors and windows, replacing wood to reduce deforestation;

Logistics pallet: honeycomb paper pallet (bearing 500-2000kg), instead of wooden pallet for export (avoiding fumigation and disinfection, in line with international environmental protection standards).

(3) Kraft Paper & Bags

Classification: 80g, 100g, 120g, etc. according to gram weight; According to the purpose, it is divided into ordinary kraft paper, waterproof kraft paper and food-grade kraft paper; Paper bags are divided into square bottom bags, valve bags and handbag bags.

Core characteristics: high strength, tear resistance, waterproof and moisture-proof (partially coated), good air permeability, recyclable and pollution-free.

Scope of application:

Raw material packaging: packaging of chemical raw materials (powder, granules), cement, feed and plastic granules (the valve pocket is tightly sealed and suitable for automatic filling);

Mechanical processing: temporary storage and packaging of metal parts, screws and nuts (breathable and moisture-proof to prevent corrosion);

Environmental protection packaging: replacing plastic bags for packaging industrial accessories (such as sandpaper and rag), which meets the environmental protection requirements of overseas markets.

(4) Cushioning Paper Products

Classification: corrugated paper, pulp molding, kraft paper bubble film (paper-based composite products), paper corner protector.

Core features: cushioning, shock absorption, scratch resistance, fitting the shape of the product, and customized production.

Scope of application:

Precision manufacturing: packaging of optical glass lenses, semiconductor chips and precision instruments (pulp molding can be integrated and fit the product contour);

Logistics protection: carton internal filling (corrugated paper), product corner protection (paper corner protection to prevent stacking extrusion deformation);

Electronic appliances: scratch-proof packaging of household appliance shells and display screens (kraft paper bubble film instead of traditional plastic bubble film).

2. Industrial production auxiliary paper products (process supporting type)

(1) Release Paper

Classification: according to the coating, it is divided into silicone oil paper (silicone oil coating) and PE coated release paper; According to the material, it is divided into wood pulp paper, coated paper and kraft paper substrate; According to the parting force, it can be divided into light parting, middle parting and heavy parting.

Core characteristics: anti-sticking, high temperature resistance (above 200℃ in some cases), solvent resistance, easy peeling, and no residual adhesive layer.

Scope of application:

Adhesive products: the carrier for the production of self-adhesive labels and tapes (which can be peeled off smoothly after being glued);

Composite material: the isolation layer when carbon fiber and glass fiber are molded (to prevent materials from sticking to the mold);

Electronic manufacturing: temporary protection (high temperature resistance, suitable for reflow soldering process) in the production process of PCB board and flexible screen.

(2) Filter Paper

Classification: classified into air filter paper, liquid filter paper, engine oil filter paper and dust filter paper according to their uses; According to the accuracy, it is divided into coarse effect, medium effect and high efficiency (HEPA level).

Core characteristics: uniform pores, high filtration efficiency, acid and alkali resistance, high temperature resistance (some can withstand above 150℃) and good air permeability.

Scope of application:

Machining: machine tool cutting fluid filtration (removing metal chips and prolonging the service life of cutting fluid);

Automobile industry: the core material of engine oil filter and air filter (filtering impurities and protecting the engine);

Environmental protection equipment: industrial waste gas treatment (dust removal filter paper) and sewage treatment (filtering suspended particles);

Electronic purification: air filtration in dust-free workshop (HEPA filter paper, filtering particles above 0.3μm).

(3) Insulating Paper

Classification: according to the material, it is divided into plant fiber insulation paper and synthetic fiber insulation paper (aramid paper and polyimide paper); According to the temperature resistance grade, it is divided into Y grade (90℃), A grade (105℃), E grade (120℃) and B grade (130℃).

Core characteristics: high temperature resistance, high pressure resistance, excellent insulation performance, high mechanical strength, non-flammable and non-explosive.

Scope of application:

Electrical equipment: winding insulation of motors, transformers and transformers (aramid paper can withstand high temperature above 200℃ and is suitable for high-speed rail and new energy automobile motors);

Electronic components: insulation packaging of capacitors and resistors (polyimide paper has both flexibility and high temperature resistance);

Industrial control: insulation partition of power distribution cabinet and frequency converter (to prevent short circuit and leakage).

(4) Label Paper

Classification: according to the material, it is divided into coated paper, thermal paper, synthetic paper (PET, PP) and kraft paper label; According to the glue type, it is divided into water glue, hot melt adhesive and oil glue label.

Core characteristics: clear printing, strong adhesion (suitable for different surfaces: metal, plastic, carton), friction resistance, high and low temperature resistance (some industrial labels can withstand-40℃~120℃).

Scope of application:

Product identification: parameter labels of mechanical parts and equipment (such as model, pressure grade and production date of non-standard oil cylinders);

Logistics traceability: barcode and QR code labels of transportation packages (used for inventory management and full traceability);

Warning signs: Safety warning labels of industrial equipment (such as "high temperature danger" and "no touching") conform to international safety standards such as OSHA.

3. Industrial paper products with special functions (high precision and customization)

(1) Aramid Paper

Core characteristics: super high temperature resistance (long-term use temperature is 200-250℃), high strength (tensile strength is 5 times that of steel), acid and alkali corrosion resistance, excellent insulation performance and light weight.

Scope of application:

High-end manufacturing: insulation materials for aerospace equipment and military products (such as aircraft engine coil insulation);

New energy: insulation parts of wind power generators and photovoltaic inverters (with strong weather resistance and adaptability to outdoor environment);

Electronic technology: high-temperature insulation materials for 5G base stations and semiconductor equipment (replacing traditional ceramic insulation and reducing weight).

(2) Graphite Paper

Classification: natural graphite paper, artificial graphite paper; According to the thickness is divided into 0.05 mm-1.0 mm..

Core characteristics: high thermal conductivity (thermal conductivity 150-800 W/(MK)), high temperature resistance (temperature resistance-200℃~400℃), good flexibility and compressibility.

Scope of application:

Electronic equipment: heat dissipation gaskets for CPU, graphics card and LED lamps (to fill the heat dissipation gap and improve the heat dissipation efficiency);

Industrial machinery: heat dissipation parts of motors and frequency converters (replacing metal heat sinks to reduce costs);

New energy vehicle: battery pack heat dissipation material (improve battery heat dissipation uniformity and prolong service life).

(3) VCI Paper

Classification: VCI and contact antirust paper; According to the applicable metals, it is divided into special steel, special copper and aluminum and general multi-metal types.

Core features: By volatilizing the gas-phase antirust agent, a protective film is formed on the metal surface to prevent corrosion (no need to apply antirust oil, environmental protection and pollution-free), and the antirust period can reach 1-2 years.

Scope of application:

Mechanical processing: long-term storage and export packaging of machined parts and non-standard customized products (such as oil cylinders and gears) (to avoid salt fog corrosion during sea transportation);

Automobile parts: anti-rust packaging of engine parts, bearings and fasteners (replacing traditional anti-rust oil and simplifying subsequent cleaning procedures);

Hardware tools: factory packaging of wrenches, screwdrivers and other tools (keep the product surface clean and free of oil stains).

Two, according to the classification of raw materials and processing technology of supplementary types

1. Recycling industrial paper products (environmental protection)

Raw materials: waste paper recycling and reprocessing (such as waste corrugated boxes and waste newspapers) meet the requirements of circular economy.

Type: recycled corrugated paper, recycled kraft paper and recycled packaging paper bag.

Application: low-end product packaging (such as building accessories, low-priced hardware) and internal turnover boxes (not for export purposes) can reduce production costs and meet the environmental protection certification of overseas markets (such as EU ECO-LABEL).

2. Composite industrial paper products (multifunctional integration)

Technology: Paper base is compounded with plastic, aluminum foil, non-woven fabric and other materials, which has many characteristics (such as waterproof, barrier and high strength).

Type: paper-aluminum composite film, PE coated paper, paper-plastic composite bag.

Applications: food industry (moisture-proof packaging), chemical raw materials (anti-leakage packaging), electronic components (anti-static packaging).

Three, the core advantages of industrial paper products and industry trends

1. Core advantages

Environmental protection: recyclable, degradable, in line with the global "carbon neutral" policy (such as the EU "packaging and packaging waste directive", the US EPA environmental protection standards), the first choice for export enterprises;

Cost advantage: the raw materials are widely available (wood, waste paper), and the production process is mature, which is 30%-50% lower than that of plastic, metal and wood packaging;

Customization: support customization according to product size, weight and usage scenarios (transportation, storage and process matching) to meet the diverse needs of industrial manufacturing;

Lightweight: 60%-80% lighter than traditional packaging (wood, metal), reducing logistics and transportation costs (such as weight billing for sea and land transportation).

2. Industry trends

High-end: the demand for functional industrial paper products (such as high-temperature resistant, high-strength and high-precision filter paper) is increasing, which is suitable for high-end manufacturing fields such as new energy, aerospace and semiconductors;

Greening: the proportion of recycled paper has increased (at present, the recycling rate of industrial paper products in the world is over 70%), and the technology of plastic-free coating and biodegradable coating has become popular;

Intelligentization: combining RFID tags, two-dimensional codes and other technologies to realize the traceability of industrial paper products (such as real-time positioning of logistics packaging and inventory management);

Integrated solution: from single packaging products to "packaging design+production+logistics support" integrated service, to meet the needs of industrial enterprises in the whole chain.

IV. Summary of typical application scenarios (taking machining/equipment manufacturing as an example)

Core Value of Application Scenarios of Industrial Paper Types

The export transportation packaging of non-standard oil cylinders and machined parts with double corrugated boxes can resist compression and earthquake, print product information and meet export environmental protection standards.

Honeycomb paper tray is transported by heavy equipment (optical glass processing machine) instead of wooden tray, which does not need fumigation and has strong bearing capacity.

Long-term storage/shipping packaging of gas-phase antirust paper precision parts is oil-free, environment-friendly and pollution-free, and the antirust period is long.

Paper corner protector+wrinkle paper equipment corner protection, internal filling anti-collision, anti-scratch, and fit the product shape.

Cutting fluid filtration of filter paper machine tool and workshop air purification can improve the service life of cutting fluid and improve the workshop environment.

Insulation paper The winding insulation of motor and electrical equipment is resistant to high temperature and high pressure, ensuring the safe operation of the equipment.

Through the above classification and application analysis, industrial paper products have been deeply integrated into the whole process of industrial manufacturing, from basic packaging protection to high-precision process matching, and become an indispensable auxiliary material in industrial production. For the machinery processing, equipment manufacturing and export enterprises in Kunshan, choosing suitable industrial paper products can not only reduce costs and improve efficiency, but also meet the environmental protection and compliance requirements of overseas markets and enhance the international competitiveness of products.