Mineral fibers come from rock and minerals. Learn the types, from asbestos to glass and basalt, their properties, uses, health risks and a worked tex example.
Melange Yarn: What It Is, How It Is Made and Uses
Melange yarn blends differently coloured fibres before spinning for a soft heathered look. Learn how it is made, grey melange and a worked blending example.
Cotton Fabric for T Shirts: Best Types, GSM and Yarn
Choosing cotton fabric for t shirts? Compare jersey, pique and interlock, carded vs combed yarn, and GSM. Includes a worked GSM calculation and buying tips.
Direct Dyes for Cotton: Properties, Process and Uses
Direct dyes colour cotton and viscose without a mordant. Learn how they work, the dyeing steps, fastness, after-treatment and a worked recipe for 500 kg.
Why White Nylon Bra Cups Turn Yellow: Molding Heat, Storage and Gas Fumes
Why white nylon bra cups turn yellow: molding heat, spandex, gas fumes, phenols and light. See the test method for each cause and how to set a molding window.
Shirt Measurements Guide: How to Measure and Find Your Size
A shirt measurements guide for chest, shoulder, collar, sleeve and length. Learn to measure your body and a shirt, allow for ease and see a worked example.