Standards, equipment, sampling, statistics, and interpreting results for decisions. 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. The coverage also includes metrics, data tables, and example calculations so results are reproducible. Where regulations apply, we highlight jurisdiction, scope, and verification pathways. Tools and templates are provided to speed up daily work without sacrificing rigor.
Testing & Quality
Compares tear strength against tensile strength to expose fabrics that test strong in tension but tear easily, and normalises both by fabric weight so different constructions can be judged fairly.
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Testing & Quality
Calculates seam efficiency from seam and fabric breaking strength, the absolute strength lost at the seam, and the seam strength a target efficiency specification would demand.
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Testing & Quality
Converts Martindale pilling test counts into pill density and a cycle-normalised propensity index, so fabrics assessed over different cycle counts can be compared against a rating specification.
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Testing & Quality
Converts a measured colour difference on the multifibre adjacent fabric into an ISO 105-A03 grey scale staining grade, and reports the margin against the minimum grade a buyer requires.
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Testing & Quality
Calculates drape coefficient from a drapemeter shadow area and bending rigidity from a Shirley cantilever overhang, the two objective measures behind fabric handle and garment fall.
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Testing & Quality
Computes CIE Delta E*ab and the CMC(l:c) colour difference between a standard and a batch from spectrophotometer L*a*b* readings, and judges the result against the commercial tolerance.
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Testing & Quality
Predicts diaphragm bursting pressure for a knitted fabric from its wale and course tensile strengths using a thin-walled sphere model, and reports the result in kPa, kgf/cm2 and psi.
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Testing & Quality
Generates the ISO 2859-1 single sampling plan for a garment or fabric lot at General Inspection Level II, returning sample size, acceptance and rejection numbers, and whether the defects found pass the inspection.
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Testing & Quality
Converts an air permeability reading between metric and imperial units and calculates volumetric porosity from fabric weight, thickness and fibre density, for activewear, filtration and technical textiles.
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