Poor Heat Set – Twist Loss
What you need to know
Heat setting is a process performed on carpet yarns to stabilize the yarn in its twisted form. This process provides twist retention and ensures no change in size or shape of plied yarns in a cut-pile carpet. Batch heat setting is performed in an autoclave oven. Continuously heat setting occurs in a Superb or Suessen unit using super-heated steam and pressure.
Note: A yarn is either heat set or not, there is no middle ground in terms of the actual setting. What is frequently called “poor heat-set” is usually falls into one of three categories: …..
Wrinkles in Backing
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What you need to know Wrinkles in the backing can occur during the manufacturing process when the primary or secondary...
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Unraveling
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What you need to know Unraveling can occur on a loop pile or cut/loop pile carpet when a yarn is...
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Tube Line-Pile Reversal
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What You Need To Know Tube Line Pile Reversal occurs when the carpet is rolled around on the cardboard tube...
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Traffic Lane Gray
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What you need to know Traffic Lane Gray occurs when the yarn filaments in the traffic lanes become scratched and...
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Texture Variation
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What you need to know Texture variations can occur from many different manufacturing-related conditions including uneven shearing across the carpet...
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Tension Lines/Streaks
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What you need to know Tension lines run in the length direction of the carpet and can appear as dark...
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Telegraphing Subfloor
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What you need to know Telegraphing of the substrate or Subfloor can become evident when carpeting is glued down or...
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