Author – Arushi Prakash
Image Source: earthride.com.au
The paints industry has developed myriad chemicals to enhance the product shelf life, color, texture and other properties. These paints are made from a few chemicals that are especially suited for this industry. Many of these are volatile organic compounds (VOCs), which vaporize as soon as they are exposed to the atmosphere. They also contain heavy metals such as arsenic, lead and chromium. VOCs such as ethyl acetate, glycol ethers, and acetone are organic chemicals that are mainly used as solvents for conventional paints. Once they enter into the air we inhale, they can go into our lungs and create a toxic effect on our bodies. The odor emanating from these paints can be quite suffocating.
These chemicals can cause a variety of harmful effects on people who are exposed to it, depending on exposure. These effects can be mild, like minor irritation in the eyes, throat, nose or skin, or could cause a major burning sensation. Headaches, nausea and dizziness can also result from exposure to the chemicals in conventional paints. Some long-term effects include liver and kidney damage, respiratory issues and even cancer. These paints not only harm the human body, but also the environment. The by-products and waste of the synthetic chemical industry is detrimental to the environment and it leaves an immense carbon footprint.
The potent health effects of these paints have made paint companies reconsider the composition of their products. This has led to the development of a new range of Environmentally Friendly non-toxic paints. They aim to reinvent paints so that serious health and environment problems can be prevented.
Eco-friendly paints available in India can be classified into three types:
- Zero-VOC paints: The level of VOCs in these paints is so low that they can be termed as ‘zero-VOC paints’. As per the EPA* standard, the total VOC content should be less than 5 gram per liter of paint.
- Low-VOC paints: As specified by the EPA, these paints can have VOC concentrations ranging from 5 to 200 gram per liter of paint.
- Natural paints: These paints are made of natural compounds such as tree resins, water, plant oil, essential oil and natural dyes. They do not contain any VOCs. Water-based paints do not have an odor, while oil-based paints have a smell.
*Since India does not have guidelines on such non-toxic paints, we have considered the standards formulated by the Green Seal Standard for Paints & Coatings and the US Environment Protection Agency (EPA).
It is important to note that most green certifications stand for VOC in the paint base. VOC in colouring agents in the paint, the biggest contributor of VOC, is often ignored. As a thumb rule, darker colours and glossier paints have more VOC. BIS has recently reduced the standard for lead in normal paints from 1,000 ppm to 90 ppm, following the example of the US and China. Paints in India can undergo testing for certification from the National Testing House too, like Nerolac Paints.
Tech Specs of Environmentally Friendly Paints
Technical comparison between conventional and low VOC paints:
|Parameters||Conventional Paints||Low/Zero VOC Paints|
|VOC content (gram per liter)||250-800||50 for Low VOC / 5 for Zero VOC|
|Color ranges||All colors||Lighter colors|
|Texture||Flat or Glossy||Flat only|
|Base||Oil or Latex||Latex (Oil in rare cases)|
|Odor||Suffocating||Less or None|
|Cost per gallon||INR720-3,000||INR1,800-4,200|
|Performance over 20 years||4-5 coats needed||1 coat is enough|
The following suppliers sell eco-friendly and non-toxic paints in India:
Asian Paints is India’s largest paint company that provides paint products for personal, industrial and automotive needs. Asian Paints began its journey into non-toxic paints by removing lead and heavy metals from its paints. The company has also substantially reduced the VOC content in its paints to comply with international standards, as specified by the Green Seal Standard for Paints & Coatings. For example, its Ace Exterior Emulsion (White) has 22.22 grams of VOC per liter of paint, which is substantially less than the international standard of 50 grams of VOC.
Berger Paints is another leading paint company that has a broad customer base in India. Through their Green Horizon endeavor, the company seeks to protect the environment by producing better products. Berger Paints has removed lead, mercury and chromium from its paints, which are toxic to the human body. The company has also greatly reduced VOCs (8.4 gram per liter in its Breathe Easy Emulsions) and decreased the content of aromatics so that their products have zero negative health impact. Berger Paints has also diversified into water-based paints, custom-made for the pharmaceutical industry. Their Breathe Easy Emulsions are also water-based.
Dulux is a UK-based multinational company that has several production units in India. The company complies with the highest environmental standards on paints, especially in the area of VOC content. Dulux promotes water-based substitutes actively through its website and other promotional activities. The company offers a wide variety of water-based products such as Paint Mixing Kitchen, Endurance Silk, Magic White Silk, Quick Dry Gloss, Watershield Exterior Satin, and many more.
Nerolac is now the second largest player in the paints market in India. The company had switched to lead-free paints years ago due to the several health hazards associated with lead. All its manufacturing plants are ISO-14001 certified, which helps the company to achieve sound environmental performance. Recently, Kansai Nerolac launched a line of water-based, low-VOC paints that has the National Test House (NTH) certification.
It is clear that eco-friendly and non-toxic varieties of paints come at a higher cost than regular paints, but that they do last long. They also benefit you and your family’s health, as well as the environment.
The shift to low/zero-VOC paints is seen not only because of an environmentally conscious industry but with an industry that understands that consumers are increasingly buying green-labelled products. Thus, it is necessary that consumers understand what a green label means. Green Seal Certifications (International), EcoMark Scheme (in India) are standards prevalent in the market for green paints. The EcoMark, conferred by Bureau of Indian Standards (BIS), has the following standards for water-based coatings:
- 5% or less VOC
- Absence of metals like Mercury and its compounds, Lead, Cadmium, Chromium VI and their oxides
- Less than 10 milligrams per kilogram free formaldehyde
- Absence of chemicals like halogenated solvents, benzene, poly-aromatic hydrocarbons and other aromatic hydrocarbons
This post was originally published by our content partner Green Clean Guide, and is republished here with prior permission