Read fiber-blend proportions

Blend percentages describe composition by mass, not separate visible lengths. Record the whole blend before comparing stretch, warmth or care behavior.

Before you start

Keep the exact labels and make two comparable samples. Change one material property at a time and use the intended finishing method on both.

Try this example

In 100 g of a 70/30 blend, the nominal component masses are 70 g and 30 g. This does not predict 70% of one fiber’s behavior.

Check your result

• Compare the dry samples for recovery, surface, drape and the property needed for the project. Record observations separately from label claims.
• A fiber name or category cannot predict every finished fabric. Construction, treatment, gauge and use all affect the result.

Sources

• www.craftyarncouncil.com: yarn label information
• cottonworks.com: yarn spinning

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