Chloe Zhang
In the plastics industry, SIC stands for Standard Industrial Classification. SIC codes are used to categorise and describe establishments based on the types of products they manufacture. SIC codes are used by government bodies and private companies to gather and analyse data on specific industries, and they can be extremely useful for business marketing and targeting purposes. For example, companies that primarily manufacture plastic products are classified under SIC Code 3089, which covers a wide range of products, from air mattresses and aquarium accessories to plumbing fixtures and synthetic resins. However, it is important to note that SIC codes are not the only classification system available, as there are alternative systems like the NAICS (North American Industry Classification System) Code system used by the US Government.
| Characteristics | Values |
|---|---|
| SIC full form | Silicon Carbide |
| Manufacturing method | Melting silica sand and carbon at high temperatures |
| Temperature range | Up to 2500 degrees Celsius |
| Colour | Pure SiC crystals are colorless |
| Formation temperature | 2700 degrees Celsius |
| Use case | Bearings, heating machinery components, car brakes, knife sharpening tools |
| Advantage | Excellent electrical conductivity |
| Advantage | Very low switching losses |
| Advantage | Can support high operating frequencies |
| Use case | Electric vehicles, solar energy systems, data centres |
| Plastics products manufacturing | Compression molding, extrusion molding, injection molding, blow molding and casting |
| Plastics products examples | Plastic plates, sheets, blocks, film, foil, plastic tubes, pipes and hoses, plastic bags, sacks, containers, boxes, bottles, plastic doors, windows, frames, shutters, blinds, plastic floor, wall or ceiling coverings, plastic baths, shower baths, washbasins, lavatory pans, flushing cisterns, plastic tableware, kitchenware, plastic signs, plastic headgear, insulating fittings, parts of lighting fittings, office or school supplies, fittings for furniture, plastic cigar and cigarette holders, combs, plastics hair curlers |
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What You'll Learn
Manufacturing plastic products
One popular method for manufacturing plastic products is injection moulding, where plastic is injected into a mould to create the desired shape. This process can be expensive, especially when dealing with low quantities, but it becomes more economical at a larger scale. Mexico and China are known for their injection moulding capabilities.
Another method is 3D printing, which has become an increasingly popular and cost-effective way to manufacture plastic products. 3D printing offers a wide range of filament materials and technologies such as Fused Deposition Modelling (FDM), Stereolithography (SLA), and Selective Laser Sintering (SLS). Each technology differs in its printing process, with FDM melting plastic filament, SLA curing liquid resin, and SLS fusing powdered plastic. 3D printing is generally slower and more labour-intensive than traditional manufacturing processes, but it requires minimal setup time and no tooling, making it attractive for custom parts and low- to mid-volume applications.
Other manufacturing processes for plastic products include CNC cutting, laser cutting, vacuum moulding, resin casting, stamping, die cutting, and manual cutting. The choice of process depends on various factors such as the complexity of the design, required quantities, cost, and functional and aesthetic requirements.
When it comes to classifying businesses that manufacture plastic products, the Standard Industrial Classification (SIC) system is commonly used. The SIC Code 3089 - Plastics Products, Not Elsewhere Classified, includes establishments primarily engaged in manufacturing plastics products that don't fall under other specific classifications. This classification covers a wide range of plastic products, from air mattresses and aquarium accessories to plumbing fixtures and synthetic resins.
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NAICS Code system
The North American Industry Classification System (NAICS) is a highly detailed business classification system used by the US Government for statistical classification, compilation, and analysis. It was developed in cooperation with Canada and Mexico and was introduced in 1997. NAICS uses a six-digit hierarchical coding system to classify all economic activity into twenty industry sectors, with five sectors being goods-producing and fifteen being services-providing. NAICS is reviewed every five years for potential revisions to keep pace with the changing economy.
NAICS was developed to address the shortcomings of the previous Standard Industrial Classification (SIC) system, which had been in use since the 1930s. The SIC system struggled to keep up with rapid changes in the US economy, such as developments in information services, new forms of healthcare provision, expansion of services, and high-tech manufacturing.
NAICS provides a tool to ensure that economic statistics reflect the changing economy. It groups establishments into industries based on their primary economic activities, including the types of raw materials, capital equipment, and labour they use. This allows for a more dynamic understanding of the economy and enables businesses to be classified in a way that better reflects their activities.
NAICS codes are assigned to businesses by statistical agencies based on information provided by the businesses themselves on application forms, administrative reports, or survey/census forms. While there is no "official" way to change a company's NAICS code, businesses can purchase company records that include NAICS information, along with other details such as company size, addresses, phone numbers, and contact names.
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Artificial leather
Standard Industrial Classification (SIC) codes are industry-specific, with SIC Code 3089 referring to the manufacturing of plastics products. Within this division, establishments primarily engaged in manufacturing artificial leather are classified under SIC Code 2295.
The manufacturing process of artificial leather typically involves coating a fabric base with a plastic layer, such as polyurethane or polyvinyl chloride (PVC). Polyurethane is generally preferred due to its softer texture and higher wearing comfort. The fabric may also contain a plasticizer for a pleasant feel. The production process can vary, with some methods utilising an embossed release paper, known as casting paper, to create a desired surface texture. This release paper is coated with multiple layers, which may include a colour layer, a foam layer, an adhesive, and a fabric layer. After curing, the release paper is removed and potentially reused.
While artificial leather offers sustainability benefits compared to genuine leather, there are concerns regarding the use of plastics. The production of PVC, for instance, relies on petroleum and significant energy consumption, contributing to its environmental impact. Additionally, the manufacturing process generates toxic byproducts, such as dioxins, which can persist in the environment and pose risks to human and animal health.
Despite these challenges, artificial leather continues to evolve, with ongoing developments in creating more sustainable and aesthetically pleasing alternatives to genuine leather.
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Plastic foam products
Polyethylene foam is a common type of plastic foam used in a wide range of applications. It is a lightweight, durable, closed-cell foam that offers excellent resistance to moisture and chemicals. This makes it ideal for packaging, shock absorption, and flotation devices. Polyethylene foam sheets come in a variety of densities, sizes, and colours, making them versatile for different projects.
Polyurethane foam is another important plastic foam product. These foams are known for their strength, stability, and unique physical characteristics. They are available in a wide range of densities, from three to 50 pounds, making them suitable for diverse applications. Flexible polyurethane foams are particularly useful for absorbing energy at a consistent, controlled rate and can be used to relieve static stress on flexible shock attenuation materials.
Some companies that offer plastic foam products include Foam Factory, Inc., Professional Plastics, and General Plastics. These companies provide plastic foam sheets, tubes, cylinders, and other fabricated parts to various industries and consumers.
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Plastic plumbing fixtures
Standard Industrial Classification (SIC) codes are used to categorise industries and the types of activities they are involved in.
SIC Code 3089 is for "Plastics Products, Not Elsewhere Classified". This includes a wide range of plastic products, from air mattresses to aquarium accessories and awnings. One specific type of product within this code is plastic plumbing fixtures, such as bathroom fixtures, drinking fountains (except mechanically refrigerated), and flush tanks.
The manufacturing of plastic plumbing fixtures involves various processes, including extrusion, injection moulding, and fabrication. The specific processes and materials used can vary depending on the type of fixture being produced and the intended application.
Some common features of plastic plumbing fixtures include various shapes and sizes of pipes and fittings, such as elbows, tees, wyes, and traps. These components are connected through a variety of methods, including gluing, welding, or threading, to create a watertight seal.
In addition to plumbing fixtures, the SIC code for plastics manufacturing also includes a range of other products, such as plastic bags, foam products, and synthetic resins.
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Frequently asked questions
SIC stands for Silicon Carbide (SiC), a semiconductor base material made of pure silicon and carbon.
SIC is used in plastics manufacturing to create a wide variety of products, including bags, boxes, pipes, hoses, and fibre fabrics.
Some SIC codes for plastics manufacturing include 3089, 326121, and 326122.
SIC has very low switching losses and can support high operating frequencies, resulting in improved efficiency and reduced costs.
