 |
 |
 |
 |
Good electrical tape: types of electrical tape, resin tape, metal tape, adhesive tape, stretch film, PVC tape
Insulating tapes are used in construction, in the repair of household appliances, electrical wiring. They are produced by various types of industry, naturally intended for various purposes.
Content
- General concepts of electrical tape video
- Types of electrical tape
- Professional electrical tape
- Specialist advice
General concepts of electrical tape
When installing an electrical circuit, when connecting electrical equipment, in construction, during repair, it is necessary to create reliable protection against short circuits, pollution - this requires insulating tape.
Insulation tapes at the junction of products from different materials serve to protect against mechanical damage, moisture penetration, and electric shock.
The width of the electrical tape is 15-19 mm.
The appearance of electrical tape indicates its quality.
It should be smooth, without wrinkles, cracks, gaps in the adhesive layer. Several types of insulation tape are available. Consider these types.
Types of electrical tape
tar tape
A resin tape is a tape made of a single-layer cotton-ether fabric, on which a layer of a mixture of bitumen and mineral oil is applied for bonding.
Such a tape is mainly used for winding (insulation) the ends of electrical wires.
metal tape
Metal tape - this tape is designed for electrical work inside the building.
It consists of three layers: the outer layer is selicon-impregnated paper, the inner layer consists of soft aluminum foil, and an adhesive.
reinforced tape (adhesive tape or crepe tape)
Reinforced tape (scotch tape or crepe tape) also consists of three layers: the outer layer consists of polyvinyl chloride fiber-reinforced fabric, the inner layer consists of special polyethylene and an adhesive layer.
Since this tape adheres well and is strong, this tape protects the wiring from moisture.
This tape has found wide application in sealing joints and joints of water supply and sewerage.
It is also used when connecting rubber sleeves and asbestos cords.
stretch film
Stretch film is a single-layer tape made of high pressure polyethylene.
It has been widely used for packaging products.
Although some stretch film has good dielectric properties.
pVC tape
PVC tape is a high strength, ability to withstand high voltage.
This tape with acrylic adhesive is resistant to UV and solvents.
The tape with rubber glue is resistant to solvent and shear, but does not withstand temperature extremes, is unstable to ultraviolet rays, which is why it is not used for outdoor applications.
Acrylic adhesive tape lasts longer, but it is easier to work with rubber tape.
Professional electrical tape
The above tape are mainly for domestic purposes, but in addition to these tape, there are special professional.
rubber mastic tape
It well and reliably protects wiring from corrosion, reliably seals against moisture, and has good dielectric properties.
self-adhesive tape
This tape, when wound, even without additional heating, forms a continuous, strong layer without air bubbles that does not transmit electricity.
This tape has high elasticity, prevents weathering, and is used in high voltage systems.
silicone insulation
As a result of winding selicon insulation, the contacts stick together with each other, form a stable single structure.
It is used for electrical installation in damp rooms, in the open air, for terminating cable ends up to 1000 volts.
Specialist advice
Experts advise to pay attention, when buying electrical tape, to its smell. A good electrical tape, like a good makeup, should not have a smell at all.
The pungent smell indicates that there are a lot of volatile components in the adhesive layer, after the release of which, the tape property deteriorates.
It is necessary to check the stickiness of the tape, it should stick well. Electrical tape are available in different colors. White color - masking.
Warning (red, green, blue) - on live wires. To designate and insulate the wires of the grounding system, a two-color yellow-green electrical tape is produced.
The black tape is characterized by increased resistance to ultraviolet rays, acids, alkalis, mechanical stress, withstands temperature drops from -40 to +100 degrees, high humidity. Before applying electrical tape, the insulated surface must be cleaned of dust and debris.
The material used to clean the surface should not leave fibers.
If the surface is contaminated with greasy or oily products, it must be cleaned with an alcohol solution, i.e. degrease.
The use of household solvents can reduce the adhesive force of the tape, and abrasive treatment, such as sandpaper, on the contrary increases the adhesive power of the tape.
