preventing corrosion with abrasive blasting

7/31/2019 Preventing Corrosion With Abrasive Blasting

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1 | P a g e W W W . D I A M O N D P C S . C O M . A UC O P Y R I G H T 2 0 1 2
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Corrosion Protection Through

Abrasive Blasting

Maintaining Structure

Appearance And Safety

3

Five Reasons Why People Hire

Painting Contractors For That

Paint Job

5

Important Factors To Consider

Before Concrete Repairs Begin7

Preventing Accidents By Using

Protective Coatings On Floors9

Preventing Corrosion With

The Different Types Of

Abrasive Blasting

11
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Corrosion Protection Through Abrasive Blasting

Maintaining Structure Appearance And Safety

The quality of metal easily gets compromised due to exposure to different kinds

of elements. Oxidation typically occurs, which instantly alters the appearance of

metal surfaces; first, making it lose its lustre and eventually forming build-up of

rust. Rust is not just unsightly but if left untreated, it eats away at metals

completely weakening their composition; weakened metals develop holes and

easily break. Corrosion is always one of the signs of structure decay, which is a

leading reason behind the condemnation of buildings and thats why corrosion

protection is crucial in structure maintenance.

One of the effective ways ofcorrosion protectionand controlling further damage

is through abrasive blasting. This automatically stops active corrosion thus

preserving the integrity of the metal. Forcibly propelling streams of abrasive

agents onto a surface removes roughness and other contaminants. A powered

compressor is often used for abrasive blasting whatever the agent may be. The
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compressor supplies volumes of high-pressure air through a single or multiple

blast pots that contain the abrasive agent. It can be controlled according to the

amount of pressure needed to blast away the contaminants without damaging

the surface of the parent material or to precisely aim at the targeted area.

There are eight types of abrasive blasting: wet abrasive blasting, bead blasting,

wheel blasting, hydroblasting, microabrasive blasting, fully automated blasting,

brittle blasting and dry ice blasting. Not all of them are designed purely to treat

metal surfaces or make use of a compressor. Brittle blasting, for example, does

not make use of a blast media. It makes use of a brush-like rotary tool with high-

carbon steel wire bristles that scrub away the corrosive build-up on the surface.

This is perhaps the most primitive of all the blast methods as its obviously based

on the use of a hand-held steel brush. The result is a clean but coarse and uneven

surface. Another good example would be hydroblasting (also known as water

blasting); the blasting agent is just water so it does not get rid of hard build-up of

contaminants. Its used mainly for cleaning and removing paint.

Other blasting types effectively clean, scrub for smoothness, and automatically

coat the parent material with a protective agent to halt the deteriorative effects

of elements like water, humidity, and heat.

Since most structures nowadays have metal components that are frequently

exposed to compromising elements, its important to make sure that they are

maintained well; keep them clean and free from rust and other corrosive build-up. Doing so will not only retain the nice appearance of the structure, but it can

also ensure its safety for a very long time.
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Five Reasons Why People Hire Painting Contractors ForThat Paint Job

The do-it-yourself method is quite the trend among people who want some home

improvement. The work can get accomplished in an economical way and its

always great to get some exercise these days. However, a lot of people, even

those who may be in a budget crunch, still opt to hirepainting contractorsfor that

home improvement effort. Provided here are the top five reasons why.

First of all, who has the time? Not everybody can devote an entire weekend to

paint the house. Most people would rather relax after a long work week to be

able to recharge for the following work week.

Secondly, a paint job is not just getting several cans of paint and splattering the

walls with colour. Sufficient preparation time is required, like moving furniture

and covering them as well as the floors with newspaper, light sanding and

scraping of old paint, putting and getting rid of protruding nails. Painting

contractors include these tasks in their service.
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Third reason: Negotiation is most welcome. If you have issues with the budget,

experts can help you work a system out so you can get the best work done for

your money. They typically know cost-saving alternatives that may be used for the

paint job. Or if you have no idea which products will work best with the material

your walls and ceilings are made of, they can easily provide you all the

information you need or they can even hook you up with the right suppliers for

the stuff that you need so you will not have to waste so much time going from

one place to another looking for that butter yellow paint.

Fourth reason: Most of the time, after an assessment of your home, contractors

will tell you how you can get your home ready before the actual painting starts.

You may need to secure valuables and put them away. Basically, they will tell you

what your contribution could be for the quickest and most effective way of

getting the job done. For instance, you may be asked to keep your overexcited

dogs away, or you and your family may need to stay out of the house.

And finally, painting contractors know how to cater to the schedule of their

clients. If you need to have the house fully-painted in three days, they can work

out a system to meet your requirement. If that would mean getting more

painters and using sophisticated painting systems or working 72 hours straight,

they will work it out for you.
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Important Factors To Consider Before Concrete Repairs

Begin

A lot of national roads and highways resemble the obstacle course of the 80s

Japanese show, Takeshis Castle with holes of varying sizes, some the size of

a regular chamber pot and some as big as paelleras, and cracks tha t appear to

have been created by a shifting of the tectonic plates though no earthquake had

been experienced in the area for centuries. People often wonder why in spite of

frequent road maintenance and concrete repairs, their vehicles still jerk and rock

violently whenever they pass through them. Could it be another case of

corruption in the government? Or the local engineering office does not know how

to properly go about concrete repairs since its quite a tricky procedure?

Before pointing condemning fingers at anybody, its important to understand why

such repairs rarely hold up.
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There are natural causes, of course. Extreme heat, extreme cold, and Mother

Natures wrath are never good to man-made structures. Freezing and thawing as

well as depletion of moisture cause premature deterioration of concrete. Long-

term exposure to water weakens concretes composition while lack of water

creates cracks that get bigger and bigger over time. Corrosion is also caused by

such exposure and a combination of other elements. There are still several other

possible reasons whyconcrete repairsdont stay repaired for a long time so its

imperative to determine the controllable variables to ensure the best outcome

for the work.

Its vital to determine the most compatible material for the repair. The kind of

exposure the area is subjected to is always an important consideration because

repair agents come in different forms; theres epoxy resin, adhesives, sealants,

and other products. These agents have different chemical reactions to the

elements that they are exposed to. Also, according to experts, When a repair ismade in concrete, you have to match properties of the repair material to those of

the concrete, otherwise the repair will not hold up for long. Compatibility of the

repair agent with the material for repair is key.

People who manage these repairs should also make a careful study of the various

components that affect the quality of the work: weather, location, and the

volume of activity in the area as well as the type of activity in the area.

Its been said countless times before that not all engineers and contractors have

the adequate knowledge for such a job. To ensure the best quality of work,

having experts (people who have years of experience) do the job makes a big

difference compared to just having professionals take care of the task.
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Preventing Accidents By Using Protective Coatings On

Floors

Nothings more embarrassing than sliding ungracefully across the floor and

exposing your knickers. Such a scene has figured in so many funny videos and

caused riotous laughter. Its not a laughing matter however when somebody gets

badly hurt just like Penny in The Big Bang Theory. She didnt have those

adhesive ducks on her bath tub floor to prevent slips so Penny dislocated hershoulder and had to endure Sheldon Coopers lack of compassion during her time

of pain. Well, it was funny but that was a TV show and not real life.

A clean and shiny floor is often lovely to look at but its often incredibly slippery as

well and may cause people to slide or slip and hurt themselves. For work places

this can mean a halt in the operations and a lawsuit so this floor issue should

always be addressed properly.
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Anti-slip protective coatings are required to prevent accidents in places where

theres heavy people flow. There are different kinds of protective coating and

they are definitely more effective than those adhesive ducks that Sheldon

Coopers quite fond of. Anti-slip protective coatings are made from special

materials that do not only prevent slipping but they also serve as effective

concrete protection; they create a shield between the concrete and foreign

elements like dust and moisture that are typically the cause of corrosion. Its

important to point out as well that they can also enhance the appearance of

floors.

These protective coatings are moisture-resistant, which is vital in preventing

corrosion and other build-up. They also stick really well on surfaces, and they

make the structure they are applied on so much stronger and more durable. A

floor thats been treated with protective coating is likely to maintain its quality for

a very long time even if people walk on it all the time. The coating not onlycreates that comfortable friction that prevents slipping, but it also resists certain

impacts that typically alter the form of a surface.

Frequently used protective coatings include the rubber-based coating, which is

perfect for walkways and sealing metal structures; the epoxy finish, which is

known to strengthen concrete surfaces as well as provide an attractive

appearance, and acrylic coating, which provides a lovely stucco finish and is used

for roofing applications though it can be used on floors as well. Water-basedacrylic coating for floors actually dry to a tough, alkali-resistant finish that can

withstand exposure to cleaning agents, hard wear and abrasion; its often used in

hospitals and laboratory where floors have to be in perfect anti-slip condition all

the time.
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Preventing Corrosion With The Different Types Of

Abrasive Blasting

Maintenance work is always required for building structures. It involves cleaning

and prevention of chemical build-up that may compromise the quality of the

many components of a structure. Metal is pretty much the backbone of most

structures nowadays, thats why only high-quality kinds are used to support very

important buildings. Titanium is used for skyscrapers because not only is itincredibly durable, but more importantly, it also does not corrode.

Corrosion is always the main cause of metal quality deterioration. Rust formation

created by oxidation is a tell-tale sign of compromised metal quality. For thin

metal materials, rust can instantly make them very brittle and they get torn easily

when exposed to pressure. Thicker metals on the other hand naturally take a

longer time to manifest their weakened composition and they are easier to

salvage from the damaging effects of corrosion.
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Abrasive blasting is an effective method of treating corrosion. This method

involves a forceful and strong application of abrasive agents onto a surface

exhibiting signs of deterioration due to oxidation and build-up of foreign particles

that initially settle on the surface and eventually seep through the microscopic

holes of the parent material. Abrasive blasting cleans, smoothens or roughens

(according to need) the surface before the application of a coating that

protectively seals it and makes it more resistant to the effects of constant

exposure to foreign elements. There are different types of abrasive blasting and

each has a special way of ridding metal components of rust, dirt, and other forms

of damaging build-up. Learning about them will help in easily determining the

appropriate blasting method to appropriately treat the type of corrosion a

structure has.

Bead blasting, a method of cleaning the surface of sediments by using really fine

glass beads at a pressure that does not damage the parent material, somewhat

resembles the process of exfoliation and this process is typically used to cleantiles from fungal growth or remove paint from cars and other vehicles.

Brittle blasting is pretty much just like using a regular steel brush, but a rotary

wheels been developed to make the scrubbing easier. Its an effective way of

scrubbing off rust and grime, but it creates a coarse finish on the surface.

Dry ice blasting makes use of air and dry ice as the agents for destroying

contaminants from the parent material.
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Hydroblasting makes use of water to effectively clean the material of dust, grime,

and foreign elements that do not really latch onto the surface. The highly

pressured stream of water easily displaces dirt and the pressure has the same

effect as when one would manually scrub a surface. This is typically used by car

wash services and for cleaning hard-to-reach spots.

Wheel blasting is often referred to as the airless blasting operation for theres no

pressurized air that releases the abrasive agents. A wheel propels the agents

through a centrifugal force.

Perhaps the most popular type is the wet abrasive blastingwhich makes use of

fine or coarse abrasive media, hot water, and soap for an effective removal of dirt

and harmful elements like poisonous or radioactive substances. Its followed by a

coating that makes the material resistant to quality compromise and

recontamination.
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preventing corrosion with abrasive blasting

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