đŸ§ĩ āϏ্āϝাāύ্āĻĄāĻŦ্āϞাāϏ্āϟিং (Sandblasting) āĻ•ী? | āĻ•েāύ āύিāώিāĻĻ্āϧ, āĻāĻŦং āĻāϰ āĻŦিāĻ•āϞ্āĻĒ āφāϧুāύিāĻ• āĻĒ্āϰāϝুāĻ•্āϤি (What is Sandblasting? | Why is it banned, and its alternative modern technology)


A complete visual representation of textile, denim, garments, fashion, technology, education, merchandising, marketing, job news, circulars, fabric development, washing process, dry process, and fabric testing in Bangladesh. This image supports content aimed at professionals, students, and job seekers in the apparel and textile industry. āĻŦাāϏ্āϤāĻŦ āĻ…āĻ­িāϜ্āĻžāϤা, āĻ—াāϰ্āĻŽেāύ্āϟāϏ āĻĒ্āϰāϝুāĻ•্āϤি, āĻŽাāϰ্āϚেāύ্āĻĄাāχāϜিং, āϟেāĻ•্āϏāϟাāχāϞ āĻļিāĻ•্āώাāϰ āύাāύা āĻĻিāĻ• āĻ“ āϚাāĻ•āϰিāϰ āϤāĻĨ্āϝāĻŦāĻšুāϞ āϚিāϤ্āϰ।


✍️ āĻ­ূāĻŽিāĻ•া/Introduction

āĻĄেāύিāĻŽ āĻĄ্āϰাāχ āĻĒ্āϰāϏেāϏিং āχāύ্āĻĄাāϏ্āϟ্āϰিāϤে āϏ্āϝাāύ্āĻĄāĻŦ্āϞাāϏ্āϟিং āĻāĻ•āϏāĻŽā§Ÿ āϏāĻŦāϚে⧟ে āϜāύāĻĒ্āϰি⧟ āĻ“ āĻŦāĻšুāϞ āĻŦ্āϝāĻŦāĻšৃāϤ āĻāĻ•āϟি āϟেāĻ•āύিāĻ• āĻ›িāϞ। āĻš্āϝাāύ্āĻĄ āϏ্āĻ•্āϰ্āϝাāĻĒিং, āĻŦ্āϰাāĻļিং āĻŦা āϏ্āĻĒ্āϰে-āϰ āĻŽāϤো āĻāĻĢেāĻ•্āϟ āϤৈāϰি āĻ•āϰāϤে āĻāχ āĻĒ্āϰāϏেāϏāϟি āĻ…āϤ্āϝāύ্āϤ āĻ•াāϰ্āϝāĻ•āϰ āĻ›িāϞ। āϤāĻŦে āϏāĻŽā§Ÿেāϰ āϏāĻ™্āĻ—ে āϏāĻ™্āĻ—ে āĻāϟিāϰ āϏ্āĻŦাāϏ্āĻĨ্āϝāĻুঁāĻ•ি, āφāχāύি āϜāϟিāϞāϤা āĻāĻŦং āĻŽাāύāĻŦাāϧিāĻ•াāϰ āχāϏ্āϝু āϏাāĻŽāύে āφāϏা⧟, āĻāϟি āĻŦিāĻļ্āĻŦāĻŦ্āϝাāĻĒী āύিāώিāĻĻ্āϧ āĻšā§Ÿে āϝা⧟। āϤাāχ āĻŦāϰ্āϤāĻŽাāύে āĻĄেāύিāĻŽ āχāύ্āĻĄাāϏ্āϟ্āϰি āϏ্āϝাāύ্āĻĄāĻŦ্āϞাāϏ্āϟিং⧟েāϰ āĻŦিāĻ•āϞ্āĻĒ āĻĒ্āϰāϝুāĻ•্āϤিāϰ āĻĻিāĻ•ে āĻুঁāĻ•েāĻ›ে। (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.)


🔍 āϏ্āϝাāύ্āĻĄāĻŦ্āϞাāϏ্āϟিং āĻ•ী/What is Sandblasting??

āϏ্āϝাāύ্āĻĄāĻŦ্āϞাāϏ্āϟিং āĻšāϞো āĻāĻŽāύ āĻāĻ•āϟি āĻĒ্āϰāĻ•্āϰি⧟া āϝেāĻ–াāύে āϚাāĻĒāϝুāĻ•্āϤ āĻŦাāϞি āĻŦা āĻ…āύ্āϝ āĻ•āĻ িāύ āĻ•āĻŖা āĻĄেāύিāĻŽ āĻ•াāĻĒ⧜েāϰ āωāĻĒāϰ āĻ›ু⧜ে āĻŽাāϰা āĻšā§Ÿ, āϝাāϤে āĻ•āϰে āĻ•াāĻĒ⧜েāϰ āύিāϰ্āĻĻিāώ্āϟ āĻ…ংāĻļেāϰ āϰāĻ™ āĻĢেāĻĄ āĻšā§Ÿে āϝা⧟ āĻāĻŦং āύ্āϝাāϚাāϰাāϞ āχāωāϜāĻĄ āϞুāĻ• āĻŦা āĻ­িāύ্āϟেāϜ āχāĻĢেāĻ•্āϟ āϤৈāϰি āĻšā§Ÿ। (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 āωāĻĒāĻ•āϰāĻŖ/Main ingredients:

  1. āϏিāϞিāĻ•া āĻŦাāϞি (Silica Sand)
  2. āĻā§Ÿাāϰ āĻ•āĻŽāĻĒ্āϰেāϏাāϰ āĻŽেāĻļিāύ (Air compressor machine)
  3. āĻŦ্āϞাāϏ্āϟিং āϚেāĻŽ্āĻŦাāϰ (Blasting chamber)
  4. āϏুāϰāĻ•্āώা āĻ—ি⧟াāϰ (Safety gear)

➤ āĻ•াāϜেāϰ āϧāϰāĻŖ/Type of work:

  1. āĻ“ā§Ÿাāϰ্āĻ•াāϰ āĻ•াāĻĒ⧜ āύিāϰ্āĻĻিāώ্āϟ āϜা⧟āĻ—া⧟ āϰাāĻ–ে/ The worker places the clothes in a specific place.
  2. āĻā§Ÿাāϰ āĻĒ্āϰেāϏাāϰেāϰ āĻŽাāϧ্āϝāĻŽে āĻŦাāϞি āĻ›ু⧜ে āĻŽাāϰা āĻšā§Ÿ / Sand is blown through air pressure.
  3. āϰāĻ™ āĻĢেāĻĄ āĻšā§Ÿে āϝা⧟ āĻāĻŦং āĻāĻ•āϟি āĻ­িāύ্āϟেāϜ āϞুāĻ• āϤৈāϰি āĻšā§Ÿ / The color fades and a vintage look is created.


⚠️ āϏ্āϝাāύ্āĻĄāĻŦ্āϞাāϏ্āϟিং āĻ•েāύ āύিāώিāĻĻ্āϧ āĻšāϞো/Why was sandblasting banned?

1️⃣ āϏ্āĻŦাāϏ্āĻĨ্āϝ āĻুঁāĻ•ি – āϏিāϞিāĻ•োāϏিāϏ āϰোāĻ— / Health Risk – Silicosis Disease

āϏ্āϝাāύ্āĻĄāĻŦ্āϞাāϏ্āϟিং-āĻāϰ āϏāĻŦāϚে⧟ে āĻŦ⧜ āϏāĻŽāϏ্āϝা āĻšāϞো āĻāϟি āϏিāϞিāĻ•োāϏিāϏ āύাāĻŽেāϰ āĻāĻ•āϟি āϭ⧟ংāĻ•āϰ āĻĢুāϏāĻĢুāϏেāϰ āϰোāĻ— āϤৈāϰি āĻ•āϰে। āϝāĻ–āύ āĻļ্āϰāĻŽিāĻ•āϰা āϏিāϞিāĻ•া āϧুāϞাāϰ āϏংāϏ্āĻĒāϰ্āĻļে āφāϏে, āϤāĻ–āύ āĻāχ āϧুāϞা āĻĢুāϏāĻĢুāϏে āĻ—ি⧟ে āϧীāϰে āϧীāϰে āύāώ্āϟ āĻ•āϰে 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.)

đŸŠē āϏিāϞিāĻ•োāϏিāϏ/Silicosis: āĻāϟি āĻāĻ•āϟি āϚিāϰāϏ্āĻĨা⧟ী āĻ…āϏুāĻ–, āϝাāϰ āĻ•োāύো āϏ্āĻĨা⧟ী āϚিāĻ•িā§ŽāϏা āύেāχ। āĻāĻ•āĻŦাāϰ āĻāχ āϰোāĻ—ে āφāĻ•্āϰাāύ্āϤ āĻšāϞে āĻĢুāϏāĻĢুāϏেāϰ āĻ•াāϰ্āϝāĻ•াāϰিāϤা āύāώ্āϟ āĻšā§Ÿে āϝা⧟ / It is a chronic disease with no permanent cure. Once affected, lung function is lost.

 

2️⃣ āφāύ্āϤāϰ্āϜাāϤিāĻ• āĻŦা⧟াāϰ āĻ“ āĻŦ্āϰ্āϝাāύ্āĻĄেāϰ āύিāώেāϧাāϜ্āĻžা / Ban on international buyers and brands

  • Levi’s, H&M, Zara, C&A āϏāĻš āĻ…āύেāĻ• āφāύ্āϤāϰ্āϜাāϤিāĻ• āĻŦ্āϰ্āϝাāύ্āĻĄ āϏ্āϝাāύ্āĻĄāĻŦ্āϞাāϏ্āϟিং āύিāώিāĻĻ্āϧ āĻ•āϰেāĻ› / International Buyers and Brands Ban Many international brands including Levi's, H&M, Zara, C&A have banned sandblasting.
  • āĻ•াāϰāĻŖ āϤাāϰা āĻļ্āϰāĻŽিāĻ•েāϰ āύিāϰাāĻĒāϤ্āϤাāĻ•ে āĻ…āĻ—্āϰাāϧিāĻ•াāϰ āĻĻে⧟ / Because they prioritize worker safety

3️⃣ āφāχāύāĻ—āϤ āĻ“ āĻŽাāύāĻŦাāϧিāĻ•াāϰ āĻŦিāώ⧟āĻ• āϜāϟিāϞāϤা / Legal and human rights complications

āĻ•িāĻ›ু āĻĻেāĻļে āĻāϟি āϏāĻŽ্āĻĒূāϰ্āĻŖ āύিāώিāĻĻ্āϧ (āϝেāĻŽāύঃ āϤুāϰāϏ্āĻ•, āĻŦ্āϰাāϜিāϞ) / In some countries it is completely banned (e.g. TÃŧrkiye, Brazil).

āĻ…āύেāĻ• āĻĻেāĻļে āĻāϟি āϚাāϞাāϞে āĻļ্āϰāĻŽিāĻ• āĻ…āϧিāĻ•াāϰ āϞāĻ™্āϘিāϤ āĻšā§Ÿ, āĻāĻŦং āĻ•াāϰāĻ–াāύা āĻŦāύ্āϧ āĻ•āϰে āĻĻেāĻ“ā§Ÿা āĻšāϤে āĻĒাāϰে / In many countries, operating it violates labor rights, and factories may be closed.


🛠️ āĻŦিāĻ•āϞ্āĻĒ āĻĒ্āϰāϝুāĻ•্āϤি āĻ“ āφāϧুāύিāĻ• āϏāĻŽাāϧাāύ/Alternative technologies and modern solutions

✅ ā§§. āϞেāϜাāϰ āĻĢেāχāĻĄিং (Laser Fading / Laser Marking)

āϏāĻŦāϚে⧟ে āφāϧুāύিāĻ• āĻ“ āύিāϰাāĻĒāĻĻ āĻŦিāĻ•āϞ্āĻĒ। āĻāϟি āϏāĻŽ্āĻĒূāϰ্āĻŖāĻ­াāĻŦে āĻ•āĻŽ্āĻĒিāωāϟাāϰ āĻ•āύ্āϟ্āϰোāϞāĻĄ। āĻĄিāϜাāχāύ āϏ্āĻ•্āϝাāύ āĻ•āϰে āύিāϰ্āĻĻিāώ্āϟ āϜা⧟āĻ—া⧟ āϞেāϜাāϰ āĻ›ু⧜ে āϰāĻ™ āĻĢেāĻĄ āĻ•āϰা āĻšā§Ÿ। / 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 āĻুঁāĻ•ি āύেāχ / No health risk
  • āύিāϰ্āĻ­ুāϞ āĻĄিāϜাāχāύ āϤৈāϰি āĻ•āϰা āϝা⧟ / Accurate designs can be created.
  • āϏāĻŽā§Ÿ āĻ•āĻŽ āϞাāĻ—ে / It takes less time.

✅ ⧍. āĻš্āϝাāύ্āĻĄ āϏ্āĻ•্āϰ্āϝাāĻĒিং (Hand Scraping)

āϏ্āϝাāύ্āĻĄāĻŦ্āϞাāϏ্āϟিং⧟েāϰ āĻĒāϰে āϏāĻŦāϚে⧟ে āĻŦ্āϝāĻŦāĻšৃāϤ āĻŽ্āϝাāύু⧟াāϞ āϟেāĻ•āύিāĻ•। āĻĻāĻ•্āώ āĻļ্āϰāĻŽিāĻ• āϏ্āĻ•্āϰ্āϝাāĻĒিং āĻĒ্āϝাāĻĄ āĻĻি⧟ে āĻšাāϤে āϏ্āĻ•্āϰ্āϝাāĻĒ āĻ•āϰে āχāĻĢেāĻ•্āϟ āϤৈāϰি āĻ•āϰেāύ। (The most widely used manual technique after sandblasting. Skilled workers create the effect by scraping by hand with a scraping pad.)

āϏুāĻŦিāϧা/Benefits:

  • āĻ–āϰāϚ āĻ•āĻŽ / Low cost
  • āϏāĻšāϜāϞāĻ­্āϝ āĻļ্āϰāĻŽিāĻ• / Available workers
  • āĻĢেāχāĻĄ āĻ•āύ্āϟ্āϰোāϞ āĻ•āϰা āϝা⧟ / Fade can be controlled.

āĻ…āϏুāĻŦিāϧা/Disadvantages:

  • āϏāĻŽā§Ÿ āĻŦেāĻļি āϞাāĻ—ে / It takes more time.
  • āĻĻāĻ•্āώāϤা āύা āĻĨাāĻ•āϞে āĻĄিāϜাāχāύ āĻ–াāϰাāĻĒ āĻšā§Ÿ / Design is bad without skill

✅ ā§Š. āĻĒāϟাāĻļি⧟াāĻŽ āĻĒাāϰāĻŽ্āϝাāĻ™্āĻ—াāύেāϟ āϏ্āĻĒ্āϰে (PP Spray)

āĻāϟি āĻāĻ•āϟি āϰাāϏা⧟āύিāĻ• āϏ্āĻĒ্āϰে, āϝা āĻš্āϝাāύ্āĻĄ āϏ্āĻ•্āϰ্āϝাāĻĒ āĻ…ংāĻļে āĻĒ্āϰ⧟োāĻ— āĻ•āϰāϞে āϏাāĻĻা āĻĢেāχāĻĄ āχāĻĢেāĻ•্āϟ āϤৈāϰি āĻšā§Ÿ। (This is a chemical spray that creates a white fade effect when applied to hand scraped areas.)

āϏুāĻŦিāϧা/Benefits:

  • āϰেāϜাāϞ্āϟ āĻĻ্āϰুāϤ / Results are fast.
  • āĻ•āĻŽ āĻ–āϰāϚ / Low cost
  • āϏāĻŦ āĻĢ্āϝাāĻŦ্āϰিāĻ•ে āĻ•াāϰ্āϝāĻ•āϰ / Effective on all fabrics

āĻ…āϏুāĻŦিāϧা/Disadvantages:

  • āĻ•েāĻŽিāĻ•্āϝাāϞ āĻŦ্āϝāĻŦāĻšাāϰেāϰ āύিāϰাāĻĒāϤ্āϤা āĻĻāϰāĻ•াāϰ / Safety in the use of chemicals is necessary.
  • āĻ…āϤিāϰিāĻ•্āϤ āϏ্āĻĒ্āϰে āϰāĻ™ āύāώ্āϟ āĻ•āϰে / Overspray ruins the color


📊 āϤুāϞāύাāĻŽূāϞāĻ• āĻŦিāĻļ্āϞেāώāĻŖ (Comparison Table):


A complete visual representation of textile, denim, garments, fashion, technology, education, merchandising, marketing, job news, circulars, fabric development, washing process, dry process, and fabric testing in Bangladesh. This image supports content aimed at professionals, students, and job seekers in the apparel and textile industry. āĻŦাāϏ্āϤāĻŦ āĻ…āĻ­িāϜ্āĻžāϤা, āĻ—াāϰ্āĻŽেāύ্āϟāϏ āĻĒ্āϰāϝুāĻ•্āϤি, āĻŽাāϰ্āϚেāύ্āĻĄাāχāϜিং, āϟেāĻ•্āϏāϟাāχāϞ āĻļিāĻ•্āώাāϰ āύাāύা āĻĻিāĻ• āĻ“ āϚাāĻ•āϰিāϰ āϤāĻĨ্āϝāĻŦāĻšুāϞ āϚিāϤ্āϰ।

🌐 āĻĄেāύিāĻŽ āχāύ্āĻĄাāϏ্āϟ্āϰিāϤে āĻ­āĻŦিāώ্āĻ¯ā§Ž āĻĻিāĻ•/Future directions in the denim industry

āφāĻ—াāĻŽী āĻĻিāύে āĻĄেāύিāĻŽ āχāύ্āĻĄাāϏ্āϟ্āϰিāϤে āύিāϚেāϰ āϟ্āϰেāύ্āĻĄ āĻ—ুāϞো āφāϰāĻ“ āĻŦেāĻļি āϜāύāĻĒ্āϰি⧟ āĻšāĻŦে (The following trends will become more popular in the denim industry in the coming days):

  • Eco-friendly washing process / āĻĒāϰিāĻŦেāĻļ āĻŦাāύ্āϧāĻŦ āĻ“ā§ŸাāĻļ āĻĒ্āϰāĻ•্āϰিāϝ়া
  • Laser + AI design control / āϞেāϜাāϰ + āĻāφāχ āĻĄিāϜাāχāύ āύিāϝ়āύ্āϤ্āϰāĻŖ
  • Waterless denim finish / āϜāϞāĻšীāύ āĻĄেāύিāĻŽ āĻĢিāύিāĻļ
  • Sustainable chemical use / āϟেāĻ•āϏāχ āϰাāϏাāϝ়āύিāĻ• āĻŦ্āϝāĻŦāĻšাāϰ


✅ āωāĻĒāϏংāĻšাāϰ/Conclusion

āϏ্āϝাāύ্āĻĄāĻŦ্āϞাāϏ্āϟিং āĻāĻ•āϏāĻŽā§Ÿ āĻĄেāύিāĻŽ āχāύ্āĻĄাāϏ্āϟ্āϰিāϰ āϏ্āϟ্āϝাāύ্āĻĄাāϰ্āĻĄ āĻ›িāϞ, āĻ•িāύ্āϤু āĻļ্āϰāĻŽিāĻ•āĻĻেāϰ āϜীāĻŦāύ āĻুঁāĻ•িāϰ āĻŽুāĻ–ে āĻĢেāϞে āĻĻি⧟ে āĻ•োāύো āĻĒ্āϰāϝুāĻ•্āϤিāĻ•ে āφāϧুāύিāĻ• āĻŦāϞা āϝা⧟ āύা। āĻāĻ–āύ āϏāĻŽā§Ÿ āĻāϏেāĻ›ে āĻĒāϰিāĻŦেāĻļāĻŦাāύ্āϧāĻŦ, āύিāϰাāĻĒāĻĻ āĻ“ āϟেāĻ•āϏāχ āϏāĻŽাāϧাāύেāϰ āĻĻিāĻ•ে āĻāĻ—ি⧟ে āϝাāĻ“ā§Ÿাāϰ। āϞেāϜাāϰ, āĻš্āϝাāύ্āĻĄ āϏ্āĻ•্āϰ্āϝাāĻĒিং āĻ“ āĻĒি āĻĒি āϏ্āĻĒ্āϰে āĻĒ্āϰāϝুāĻ•্āϤি āφāĻŽাāĻĻেāϰ āϏেāχ āĻĒāĻĨ āĻĻেāĻ–াāϚ্āĻ›ে। (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.)



A complete visual representation of textile, denim, garments, fashion, technology, education, merchandising, marketing, job news, circulars, fabric development, washing process, dry process, and fabric testing in Bangladesh. This image supports content aimed at professionals, students, and job seekers in the apparel and textile industry. āĻŦাāϏ্āϤāĻŦ āĻ…āĻ­িāϜ্āĻžāϤা, āĻ—াāϰ্āĻŽেāύ্āϟāϏ āĻĒ্āϰāϝুāĻ•্āϤি, āĻŽাāϰ্āϚেāύ্āĻĄাāχāϜিং, āϟেāĻ•্āϏāϟাāχāϞ āĻļিāĻ•্āώাāϰ āύাāύা āĻĻিāĻ• āĻ“ āϚাāĻ•āϰিāϰ āϤāĻĨ্āϝāĻŦāĻšুāϞ āϚিāϤ্āϰ।


āφāĻŽাāĻĻেāϰ āϏাāĻĨে āϝোāĻ—াāϝোāĻ— āĻ•āϰুāύ āĻĄেāύিāĻŽ āĻ“ā§ŸাāĻļিং āϏংāĻ•্āϰাāύ্āϤ āϝেāĻ•োāύো āĻĒ্āϰāĻļ্āύ, āϜāĻŦ āχāύāĻĢো, āĻĒāϰাāĻŽāϰ্āĻļ āĻŦা āĻ•āύāϟেāύ্āϟ āϏাāĻŦāĻŽিāĻļāύেāϰ āϜāύ্āϝ। āĻĻ্āϰুāϤ āϰিāĻĒ্āϞাāχ āĻĒেāϤে WhatsApp āĻŦা āχāĻŽেāχāϞ āĻŦ্āϝāĻŦāĻšাāϰ āĻ•āϰুāύ। (Contact us for any denim washing questions, job info, suggestions or content submissions. Use WhatsApp or email for a quick reply.)

📧 āχāĻŽেāχāϞ/Email:

📮denimdryprocesscontext@gmail.com

📱 āĻšোāϝ়াāϟāϏāĻ…্āϝাāĻĒ/WhatsApp:

🔗 https://wa.me/8801749266891






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