Machine Speed Control

At its core, a serger machine is designed to finish the edges of fabric. It combines several functions—trimming, sewing, and overlocking—into one operation. Unlike a traditional sewing machine, which typically uses a single needle and one or two threads, a serger can use multiple threads (usually 3 or 4) to create a secure seam. This capability allows it to produce stitches that not only hold layers of fabric together but also prevent fraying and unraveling.

Another significant advantage of double needle sewing machines is their versatility. While they are exceptionally well-suited for leather, they can also handle various other materials, from heavy canvas to synthetic fabrics. This feature allows leatherworkers who also dabble in other sewing projects to invest in a machine that meets multiple needs. Furthermore, many models come equipped with adjustable settings, enabling users to tailor their sewing experience for different fabric thicknesses and types.

B. Key Features to Look for:
We’ll discuss essential features to look for in a heavy duty sewing machine, such as a powerful motor, adjustable presser foot pressure, a variety of stitch options, and easy threading mechanisms. This section will help readers understand the functionalities they should prioritize while exploring different machine models.

Maintenance is another crucial factor to consider when choosing a sewing machine, and fortunately, heavy-duty models are generally low-maintenance. Regularly oiling the machine and keeping it clean can significantly prolong its lifespan, yet the durable construction often means fewer breakdowns compared to their lighter counterparts. Some models even have self-cleaning features that further reduce the time spent on upkeep.

Cutting line sewing, often referred to as pattern making or garment construction, is a fundamental aspect of the fashion industry that combines creativity with precision. This essential process is the backbone of creating beautifully tailored clothing, ensuring that each piece not only fits the wearer perfectly but also reflects the designer's vision. In this article, we will explore the intricate details of cutting line sewing, its significance in fashion design, and some tips for mastering this essential skill.

It’s true that titanium dioxide does not rank as high for UVA protection as zinc oxide, it ends up being a small difference (think about it like being 10 years old versus 10 years and 3 months old). This is not easily understood in terms of other factors affecting how sunscreen actives perform (such as the base formula), so many, including some dermatologists, assume that zinc oxide is superior to titanium dioxide for UVA protection. When carefully formulated, titanium dioxide provides excellent UVA protection. Its UVA protection peak is lower than that of zinc oxide, but both continue to provide protection throughout the UVA range for the same amount of time.

The availability of other white pigments poses a major challenge for the Lithopone market during the forecast period. Other alternatives to Lithopone include Zinc White, Titanium Dioxide, Calcium Carbonate, Blanc Fixe, and Barytes. The use of TiO2 has reduced the commercial significance of the Lithopone in the pigments industry.

Our scientific experts applied for the first time the 2018 EFSA Scientific Committee Guidance on Nanotechnology to the safety assessment of food additives. Titanium dioxide E 171 contains at most 50% of particles in the nano range (i.e. less than 100 nanometres) to which consumers may be exposed.  

Applications of Lithopone Powder:

Titanium dioxide (TiO₂) is considered as an inert and safe material and has been used in many applications for decades. However, with the development of nanotechnologies TiO₂ nanoparticles, with numerous novel and useful properties, are increasingly manufactured and used. Therefore increased human and environmental exposure can be expected, which has put TiO₂ nanoparticles under toxicological scrutiny. Mechanistic toxicological studies show that TiO₂ nanoparticles predominantly cause adverse effects via induction of oxidative stress resulting in cell damage, genotoxicity, inflammation, immune response etc. The extent and type of damage strongly depends on physical and chemical characteristics of TiO₂ nanoparticles, which govern their bioavailability and reactivity. Based on the experimental evidence from animal inhalation studies TiO₂ nanoparticles are classified as “possible carcinogenic to humans” by the International Agency for Research on Cancer and as occupational carcinogen by the National Institute for Occupational Safety and Health. The studies on dermal exposure to TiO₂ nanoparticles, which is in humans substantial through the use of sunscreens, generally indicate negligible transdermal penetration; however data are needed on long-term exposure and potential adverse effects of photo-oxidation products. Although TiO₂ is permitted as an additive (E171) in food and pharmaceutical products we do not have reliable data on its absorption, distribution, excretion and toxicity on oral exposure. TiO₂ may also enter environment, and while it exerts low acute toxicity to aquatic organisms, upon long-term exposure it induces a range of sub-lethal effects.

Some people have concerns about the safety of titanium dioxide because of reports linking it to cancer.

Uses & Benefits

Titanium dioxide is a naturally-occurring mineral found in the earth’s crust. Because of its white color, opaqueness, and ability to refract light, the ingredient is often used as a pigment, brightener, and opacifier, which is an ingredient that makes a formulation more opaque. Titanium dioxide is also a UV filter and so is an effective active ingredient in sunscreens. It’s often used in cosmetic loose and pressed powders, especially “mineral powder” cosmetics, in addition to other cosmetics, lotions, toothpaste, and soap.