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Fabric

Covers fabric constructions from woven and knitted to nonwovens and composites. Details GSM, cover factor, drape, air permeability, pilling resistance, and handle. Includes test methods and how structure drives performance. This section explains practical decision criteria, typical test methods, and failure modes that matter in real production. Readers get checklists, calculation steps, and case examples connecting specifications to cost, reliability, and compliance. Links map core concepts to upstream inputs and downstream processes so choices remain consistent across sourcing, manufacturing, and end-use performance. Each article includes definitions, diagrams where helpful, and plain-language notes to help newcomers ramp quickly while giving experienced professionals the depth needed to troubleshoot and optimize. Standards references are cited with context, and whenever trade-offs exist, we make them explicit so you can defend decisions.

Advanced Knitting & Hosiery

Spacer Fabric Thickness & Compression Predictor

Predicts the compression resistance of a 3D spacer knit by treating each spacer monofilament as an Euler column: critical load per filament, fabric buckling pressure, column slenderness and thickness under a target compression strain.

Calculator

Advanced Sizing, Slashing & Preparation

Slasher Indigo Dyeing Oxidation Distance Calculator

Solves the skying geometry of a sheet indigo dyeing range: the roller distance needed to fully oxidise leuco indigo at the working speed, immersion time per box, the adequacy of the distance available and the speed limit it imposes.

Calculator

Advanced Knitting & Hosiery

Seamless Knit Compression Zone Modeler

Applies Laplace’s law to a seamless compression garment: interface pressure at the distal and proximal circumferences, the resulting graduation, and the fabric tension needed to hit a target pressure at the ankle.

Calculator

Industrial Weaving & Tire Cord Engineering

Sailcloth Bias Stretch & Modulus Calculator

Calculates the 45-degree bias modulus of a woven sailcloth from its warp, fill and shear properties, the diagonal strain and elongation under load, and how much of the bias compliance the shear modulus is responsible for.

Calculator

Industrial Weaving & Tire Cord Engineering

Rapier Tape Stroke Acceleration Profiler

Profiles a rapier insertion stroke: available insertion time, peak tape speed, the acceleration the head reaches on a trapezoidal profile, the g-force it represents and the inertial tension spike it puts into the weft.

Calculator

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