Product Engineering
Six per cent across and four along means producing eleven per cent more fabric than you sell.
— cm
Width the loom must produce
Greige width here is the width entering finishing, not the reed width — loom take-up and the width lost between reed and cloth roller come on top and are machine-specific. Shrinkage is also route-dependent rather than a fabric property: the same greige finished on a different stenter, at a different overfeed or through a different sequence shrinks differently, so these allowances belong to a process and must be re-measured when the route changes. Negative shrinkage inputs are permitted because some finishes extend rather than contract, and the arithmetic handles it correctly.
Finished-to-Greige Dimension & Weight Back-Calculation — free, with the formula and a worked example, at Textile School.