✍️ āĻূāĻŽিāĻা/Introduction
āĻĄেāύিāĻŽ āĻĄ্āϰাāĻ āĻĒ্āϰāϏেāϏিং āĻāύ্āĻĄাāϏ্āĻ্āϰিāϤে āϏ্āϝাāύ্āĻĄāĻŦ্āϞাāϏ্āĻিং āĻāĻāϏāĻŽā§ āϏāĻŦāĻেā§ে āĻāύāĻĒ্āϰিā§ āĻ āĻŦāĻšুāϞ āĻŦ্āϝāĻŦāĻšৃāϤ āĻāĻāĻি āĻেāĻāύিāĻ āĻিāϞ। āĻš্āϝাāύ্āĻĄ āϏ্āĻ্āϰ্āϝাāĻĒিং, āĻŦ্āϰাāĻļিং āĻŦা āϏ্āĻĒ্āϰে-āϰ āĻŽāϤো āĻāĻĢেāĻ্āĻ āϤৈāϰি āĻāϰāϤে āĻāĻ āĻĒ্āϰāϏেāϏāĻি āĻ āϤ্āϝāύ্āϤ āĻাāϰ্āϝāĻāϰ āĻিāϞ। āϤāĻŦে āϏāĻŽā§েāϰ āϏāĻ্āĻে āϏāĻ্āĻে āĻāĻিāϰ āϏ্āĻŦাāϏ্āĻĨ্āϝāĻুঁāĻি, āĻāĻāύি āĻāĻিāϞāϤা āĻāĻŦং āĻŽাāύāĻŦাāϧিāĻাāϰ āĻāϏ্āϝু āϏাāĻŽāύে āĻāϏাā§, āĻāĻি āĻŦিāĻļ্āĻŦāĻŦ্āϝাāĻĒী āύিāώিāĻĻ্āϧ āĻšā§ে āϝাā§। āϤাāĻ āĻŦāϰ্āϤāĻŽাāύে āĻĄেāύিāĻŽ āĻāύ্āĻĄাāϏ্āĻ্āϰি āϏ্āϝাāύ্āĻĄāĻŦ্āϞাāϏ্āĻিংā§েāϰ āĻŦিāĻāϞ্āĻĒ āĻĒ্āϰāϝুāĻ্āϤিāϰ āĻĻিāĻে āĻুঁāĻেāĻে। (Sandblasting was once the most popular and widely used technique in the denim dry processing industry. This process was very effective in creating effects similar to hand scraping, brushing or spraying. However, over time, due to its health risks, legal complications and human rights issues, it was banned worldwide. Therefore, the denim industry is now turning to alternative technologies to sandblasting.)
đ āϏ্āϝাāύ্āĻĄāĻŦ্āϞাāϏ্āĻিং āĻী/What is Sandblasting??
āϏ্āϝাāύ্āĻĄāĻŦ্āϞাāϏ্āĻিং āĻšāϞো āĻāĻŽāύ āĻāĻāĻি āĻĒ্āϰāĻ্āϰিā§া āϝেāĻাāύে āĻাāĻĒāϝুāĻ্āϤ āĻŦাāϞি āĻŦা āĻ āύ্āϝ āĻāĻ িāύ āĻāĻŖা āĻĄেāύিāĻŽ āĻাāĻĒā§েāϰ āĻāĻĒāϰ āĻুā§ে āĻŽাāϰা āĻšā§, āϝাāϤে āĻāϰে āĻাāĻĒā§েāϰ āύিāϰ্āĻĻিāώ্āĻ āĻ ংāĻļেāϰ āϰāĻ āĻĢেāĻĄ āĻšā§ে āϝাā§ āĻāĻŦং āύ্āϝাāĻাāϰাāϞ āĻāĻāĻāĻĄ āϞুāĻ āĻŦা āĻিāύ্āĻেāĻ āĻāĻĢেāĻ্āĻ āϤৈāϰি āĻšā§। (Sandblasting is a process in which pressurized sand or other hard particles are thrown at denim fabric, causing the color of certain areas of the fabric to fade and create a natural used look or vintage effect.)
➤ āĻŽূāϞ āĻāĻĒāĻāϰāĻŖ/Main ingredients:
- āϏিāϞিāĻা āĻŦাāϞি (Silica Sand)
- āĻā§াāϰ āĻāĻŽāĻĒ্āϰেāϏাāϰ āĻŽেāĻļিāύ (Air compressor machine)
- āĻŦ্āϞাāϏ্āĻিং āĻেāĻŽ্āĻŦাāϰ (Blasting chamber)
- āϏুāϰāĻ্āώা āĻিā§াāϰ (Safety gear)
➤ āĻাāĻেāϰ āϧāϰāĻŖ/Type of work:
- āĻā§াāϰ্āĻাāϰ āĻাāĻĒā§ āύিāϰ্āĻĻিāώ্āĻ āĻাā§āĻাā§ āϰাāĻে/ The worker places the clothes in a specific place.
- āĻā§াāϰ āĻĒ্āϰেāϏাāϰেāϰ āĻŽাāϧ্āϝāĻŽে āĻŦাāϞি āĻুā§ে āĻŽাāϰা āĻšā§ / Sand is blown through air pressure.
- āϰāĻ āĻĢেāĻĄ āĻšā§ে āϝাā§ āĻāĻŦং āĻāĻāĻি āĻিāύ্āĻেāĻ āϞুāĻ āϤৈāϰি āĻšā§ / The color fades and a vintage look is created.
⚠️ āϏ্āϝাāύ্āĻĄāĻŦ্āϞাāϏ্āĻিং āĻেāύ āύিāώিāĻĻ্āϧ āĻšāϞো/Why was sandblasting banned?
1️⃣ āϏ্āĻŦাāϏ্āĻĨ্āϝ āĻুঁāĻি – āϏিāϞিāĻোāϏিāϏ āϰোāĻ / Health Risk – Silicosis Disease
āϏ্āϝাāύ্āĻĄāĻŦ্āϞাāϏ্āĻিং-āĻāϰ āϏāĻŦāĻেā§ে āĻŦā§ āϏāĻŽāϏ্āϝা āĻšāϞো āĻāĻি āϏিāϞিāĻোāϏিāϏ āύাāĻŽেāϰ āĻāĻāĻি āĻā§ংāĻāϰ āĻĢুāϏāĻĢুāϏেāϰ āϰোāĻ āϤৈāϰি āĻāϰে। āϝāĻāύ āĻļ্āϰāĻŽিāĻāϰা āϏিāϞিāĻা āϧুāϞাāϰ āϏংāϏ্āĻĒāϰ্āĻļে āĻāϏে, āϤāĻāύ āĻāĻ āϧুāϞা āĻĢুāϏāĻĢুāϏে āĻিā§ে āϧীāϰে āϧীāϰে āύāώ্āĻ āĻāϰে āĻĢেāϞে। (The biggest problem with sandblasting is that it causes a dangerous lung disease called silicosis. When workers are exposed to silica dust, the dust slowly enters the lungs and destroys them.)
đŠē āϏিāϞিāĻোāϏিāϏ/Silicosis: āĻāĻি āĻāĻāĻি āĻিāϰāϏ্āĻĨাā§ী āĻ āϏুāĻ, āϝাāϰ āĻোāύো āϏ্āĻĨাā§ী āĻিāĻিā§āϏা āύেāĻ। āĻāĻāĻŦাāϰ āĻāĻ āϰোāĻে āĻāĻ্āϰাāύ্āϤ āĻšāϞে āĻĢুāϏāĻĢুāϏেāϰ āĻাāϰ্āϝāĻাāϰিāϤা āύāώ্āĻ āĻšā§ে āϝাā§ / It is a chronic disease with no permanent cure. Once affected, lung function is lost.
2️⃣ āĻāύ্āϤāϰ্āĻাāϤিāĻ āĻŦাā§াāϰ āĻ āĻŦ্āϰ্āϝাāύ্āĻĄেāϰ āύিāώেāϧাāĻ্āĻা / Ban on international buyers and brands
- Levi’s, H&M, Zara, C&A āϏāĻš āĻ āύেāĻ āĻāύ্āϤāϰ্āĻাāϤিāĻ āĻŦ্āϰ্āϝাāύ্āĻĄ āϏ্āϝাāύ্āĻĄāĻŦ্āϞাāϏ্āĻিং āύিāώিāĻĻ্āϧ āĻāϰেāĻ / International Buyers and Brands Ban Many international brands including Levi's, H&M, Zara, C&A have banned sandblasting.
- āĻাāϰāĻŖ āϤাāϰা āĻļ্āϰāĻŽিāĻেāϰ āύিāϰাāĻĒāϤ্āϤাāĻে āĻ āĻ্āϰাāϧিāĻাāϰ āĻĻেā§ / Because they prioritize worker safety
3️⃣ āĻāĻāύāĻāϤ āĻ āĻŽাāύāĻŦাāϧিāĻাāϰ āĻŦিāώā§āĻ āĻāĻিāϞāϤা / Legal and human rights complications
āĻিāĻু āĻĻেāĻļে āĻāĻি āϏāĻŽ্āĻĒূāϰ্āĻŖ āύিāώিāĻĻ্āϧ (āϝেāĻŽāύঃ āϤুāϰāϏ্āĻ, āĻŦ্āϰাāĻিāϞ) / In some countries it is completely banned (e.g. TÃŧrkiye, Brazil).
āĻ āύেāĻ āĻĻেāĻļে āĻāĻি āĻাāϞাāϞে āĻļ্āϰāĻŽিāĻ āĻ āϧিāĻাāϰ āϞāĻ্āĻিāϤ āĻšā§, āĻāĻŦং āĻাāϰāĻাāύা āĻŦāύ্āϧ āĻāϰে āĻĻেāĻā§া āĻšāϤে āĻĒাāϰে / In many countries, operating it violates labor rights, and factories may be closed.đ ️ āĻŦিāĻāϞ্āĻĒ āĻĒ্āϰāϝুāĻ্āϤি āĻ āĻāϧুāύিāĻ āϏāĻŽাāϧাāύ/Alternative technologies and modern solutions
✅ ā§§. āϞেāĻাāϰ āĻĢেāĻāĻĄিং (Laser Fading / Laser Marking)
āϏāĻŦāĻেā§ে āĻāϧুāύিāĻ āĻ āύিāϰাāĻĒāĻĻ āĻŦিāĻāϞ্āĻĒ। āĻāĻি āϏāĻŽ্āĻĒূāϰ্āĻŖāĻাāĻŦে āĻāĻŽ্āĻĒিāĻāĻাāϰ āĻāύ্āĻ্āϰোāϞāĻĄ। āĻĄিāĻাāĻāύ āϏ্āĻ্āϝাāύ āĻāϰে āύিāϰ্āĻĻিāώ্āĻ āĻাā§āĻাā§ āϞেāĻাāϰ āĻুā§ে āϰāĻ āĻĢেāĻĄ āĻāϰা āĻšā§। / The most modern and safest option. It is completely computer controlled. The design is scanned and the color is faded by shooting a laser at a specific spot.
āϏুāĻŦিāϧা/Benefits:
- āϏ্āĻŦাāϏ্āĻĨ্āϝ āĻুঁāĻি āύেāĻ / No health risk
- āύিāϰ্āĻুāϞ āĻĄিāĻাāĻāύ āϤৈāϰি āĻāϰা āϝাā§ / Accurate designs can be created.
- āϏāĻŽā§ āĻāĻŽ āϞাāĻে / It takes less time.
✅ ⧍. āĻš্āϝাāύ্āĻĄ āϏ্āĻ্āϰ্āϝাāĻĒিং (Hand Scraping)
āϏ্āϝাāύ্āĻĄāĻŦ্āϞাāϏ্āĻিংā§েāϰ āĻĒāϰে āϏāĻŦāĻেā§ে āĻŦ্āϝāĻŦāĻšৃāϤ āĻŽ্āϝাāύুā§াāϞ āĻেāĻāύিāĻ। āĻĻāĻ্āώ āĻļ্āϰāĻŽিāĻ āϏ্āĻ্āϰ্āϝাāĻĒিং āĻĒ্āϝাāĻĄ āĻĻিā§ে āĻšাāϤে āϏ্āĻ্āϰ্āϝাāĻĒ āĻāϰে āĻāĻĢেāĻ্āĻ āϤৈāϰি āĻāϰেāύ। (The most widely used manual technique after sandblasting. Skilled workers create the effect by scraping by hand with a scraping pad.)
āϏুāĻŦিāϧা/Benefits:
- āĻāϰāĻ āĻāĻŽ / Low cost
- āϏāĻšāĻāϞāĻ্āϝ āĻļ্āϰāĻŽিāĻ / Available workers
- āĻĢেāĻāĻĄ āĻāύ্āĻ্āϰোāϞ āĻāϰা āϝাā§ / Fade can be controlled.
āĻ āϏুāĻŦিāϧা/Disadvantages:
- āϏāĻŽā§ āĻŦেāĻļি āϞাāĻে / It takes more time.
- āĻĻāĻ্āώāϤা āύা āĻĨাāĻāϞে āĻĄিāĻাāĻāύ āĻাāϰাāĻĒ āĻšā§ / Design is bad without skill
✅ ā§Š. āĻĒāĻাāĻļিā§াāĻŽ āĻĒাāϰāĻŽ্āϝাāĻ্āĻাāύেāĻ āϏ্āĻĒ্āϰে (PP Spray)
āĻāĻি āĻāĻāĻি āϰাāϏাā§āύিāĻ āϏ্āĻĒ্āϰে, āϝা āĻš্āϝাāύ্āĻĄ āϏ্āĻ্āϰ্āϝাāĻĒ āĻ ংāĻļে āĻĒ্āϰā§োāĻ āĻāϰāϞে āϏাāĻĻা āĻĢেāĻāĻĄ āĻāĻĢেāĻ্āĻ āϤৈāϰি āĻšā§। (This is a chemical spray that creates a white fade effect when applied to hand scraped areas.)
āϏুāĻŦিāϧা/Benefits:
- āϰেāĻাāϞ্āĻ āĻĻ্āϰুāϤ / Results are fast.
- āĻāĻŽ āĻāϰāĻ / Low cost
- āϏāĻŦ āĻĢ্āϝাāĻŦ্āϰিāĻে āĻাāϰ্āϝāĻāϰ / Effective on all fabrics
āĻ āϏুāĻŦিāϧা/Disadvantages:
- āĻেāĻŽিāĻ্āϝাāϞ āĻŦ্āϝāĻŦāĻšাāϰেāϰ āύিāϰাāĻĒāϤ্āϤা āĻĻāϰāĻাāϰ / Safety in the use of chemicals is necessary.
- āĻ āϤিāϰিāĻ্āϤ āϏ্āĻĒ্āϰে āϰāĻ āύāώ্āĻ āĻāϰে / Overspray ruins the color
đ āϤুāϞāύাāĻŽূāϞāĻ āĻŦিāĻļ্āϞেāώāĻŖ (Comparison Table):
đ āĻĄেāύিāĻŽ āĻāύ্āĻĄাāϏ্āĻ্āϰিāϤে āĻāĻŦিāώ্āϝ⧠āĻĻিāĻ/Future directions in the denim industry
āĻāĻাāĻŽী āĻĻিāύে āĻĄেāύিāĻŽ āĻāύ্āĻĄাāϏ্āĻ্āϰিāϤে āύিāĻেāϰ āĻ্āϰেāύ্āĻĄ āĻুāϞো āĻāϰāĻ āĻŦেāĻļি āĻāύāĻĒ্āϰিā§ āĻšāĻŦে (The following trends will become more popular in the denim industry in the coming days):
- Eco-friendly washing process / āĻĒāϰিāĻŦেāĻļ āĻŦাāύ্āϧāĻŦ āĻā§াāĻļ āĻĒ্āϰāĻ্āϰিāϝ়া
- Laser + AI design control / āϞেāĻাāϰ + āĻāĻāĻ āĻĄিāĻাāĻāύ āύিāϝ়āύ্āϤ্āϰāĻŖ
- Waterless denim finish / āĻāϞāĻšীāύ āĻĄেāύিāĻŽ āĻĢিāύিāĻļ
- Sustainable chemical use / āĻেāĻāϏāĻ āϰাāϏাāϝ়āύিāĻ āĻŦ্āϝāĻŦāĻšাāϰ
✅ āĻāĻĒāϏংāĻšাāϰ/Conclusion
āϏ্āϝাāύ্āĻĄāĻŦ্āϞাāϏ্āĻিং āĻāĻāϏāĻŽā§ āĻĄেāύিāĻŽ āĻāύ্āĻĄাāϏ্āĻ্āϰিāϰ āϏ্āĻ্āϝাāύ্āĻĄাāϰ্āĻĄ āĻিāϞ, āĻিāύ্āϤু āĻļ্āϰāĻŽিāĻāĻĻেāϰ āĻীāĻŦāύ āĻুঁāĻিāϰ āĻŽুāĻে āĻĢেāϞে āĻĻিā§ে āĻোāύো āĻĒ্āϰāϝুāĻ্āϤিāĻে āĻāϧুāύিāĻ āĻŦāϞা āϝাā§ āύা। āĻāĻāύ āϏāĻŽā§ āĻāϏেāĻে āĻĒāϰিāĻŦেāĻļāĻŦাāύ্āϧāĻŦ, āύিāϰাāĻĒāĻĻ āĻ āĻেāĻāϏāĻ āϏāĻŽাāϧাāύেāϰ āĻĻিāĻে āĻāĻিā§ে āϝাāĻā§াāϰ। āϞেāĻাāϰ, āĻš্āϝাāύ্āĻĄ āϏ্āĻ্āϰ্āϝাāĻĒিং āĻ āĻĒি āĻĒি āϏ্āĻĒ্āϰে āĻĒ্āϰāϝুāĻ্āϤি āĻāĻŽাāĻĻেāϰ āϏেāĻ āĻĒāĻĨ āĻĻেāĻাāĻ্āĻে। (Sandblasting was once the standard in the denim industry, but no technology can be called modern if it puts the lives of workers at risk. Now is the time to move towards environmentally friendly, safe and sustainable solutions. Laser, hand scraping and PP spray technologies are showing us the way.)
āĻāĻŽাāĻĻেāϰ āϏাāĻĨে āϝোāĻাāϝোāĻ āĻāϰুāύ āĻĄেāύিāĻŽ āĻā§াāĻļিং āϏংāĻ্āϰাāύ্āϤ āϝেāĻোāύো āĻĒ্āϰāĻļ্āύ, āĻāĻŦ āĻāύāĻĢো, āĻĒāϰাāĻŽāϰ্āĻļ āĻŦা āĻāύāĻেāύ্āĻ āϏাāĻŦāĻŽিāĻļāύেāϰ āĻāύ্āϝ। āĻĻ্āϰুāϤ āϰিāĻĒ্āϞাāĻ āĻĒেāϤে WhatsApp āĻŦা āĻāĻŽেāĻāϞ āĻŦ্āϝāĻŦāĻšাāϰ āĻāϰুāύ। (Contact us for any denim washing questions, job info, suggestions or content submissions. Use WhatsApp or email for a quick reply.)
đ§ āĻāĻŽেāĻāϞ/Email:
đŽdenimdryprocesscontext@gmail.com
đą āĻšোāϝ়াāĻāϏāĻ
্āϝাāĻĒ/WhatsApp:
đ§ āĻāĻŽেāĻāϞ/Email:
đŽdenimdryprocesscontext@gmail.com
đą āĻšোāϝ়াāĻāϏāĻ ্āϝাāĻĒ/WhatsApp: