Importers, manufacturers and wholesalers of commercial textile linen products
Britannia Textiles Ltd
6 Natalie Street
PO Box 113
Nelson, New Zealand
Freephone: 0800 800 366
Email: office@britannia.co.nz
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Importers, manufacturers and wholesalers of commercial textile linen products |
Britannia Textiles Ltd |
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WARNING: Thread CountsThread count (i.e. the number of threads in a sheet) is one of the key measures of bed linen quality. Thread counts are calculated by adding the number of threads in the warp and weft in a specific measured area. Square inch versus 10cm box? Traditionally thread count has been given in inches but times change and so must we so we are now using what has become the industry standard of a 10 square centimetres box which measures 3.16cm x 3.16cm. What does this mean Thread counts look higher than they used to! What was 144 is now 180! Apples with apples When comparing products from different suppliers it is important to get clear information on how the thread count is calculated. Our standard polycotton sheet has a thread count of 180 (94.5 + 84.5) per 10 sq cm, and our Supercale is 250 per 10sq cm. Converting metric thread count to Inches - The calculation Metric tc divided by 1.25 = the great imperial inch thread count Thread count is actually measuring the amount of threads counted in 2 given lengths - the height and width of the box. NOT the volume as many people assume and therefore wrongly calculate when converting. This mean that the 2 counts are added NOT multiplied as in an area calculation. This is important as many people apply simple maths that works for area, not realising it is not an area measurement. Using the 10 centimeter standard gives us 2 lengths of 3.16cm. The number of threads found within the prescribed distance along these 2 lengths (the warp and weft threads or up-down, and across) are counted and ADDED together. So in SuperCale we have 112 along one 3.16cm side and 138 along the other 3.16 side, making 250 thread count. The old inch box was 2.54cm on each side. So what we need to do is count the warp and weft threads in this new smaller length. So we are turning a length of 3.16 into 2.54 which is best achieved by dividing it by 1.25 (2.54/1.25=2.53 (close enough!). So 250 tc per 10cm square = 200 per square inch (250/1.25). Our standard PC is 180 tc per 10cm square = 144 tc per square inch. Just feel it To make matter harder different materials feel and act very differently with different thread counts. For instance pure cotton needs a lower thread count to achieve the same sense of thickness and weight as a higher thread count polycotton. Also SuperCale can feel thinner than Standard polycotton despite having a higher thread count as its threads are finer. Too high a thread count, especially in polycotton, is unpleasant as the fibre can no longer absorb moisture as well. We make our sheeting in what we, and the commercial users we supply, consider to be the correct material for the stated job. The best thing you can do is to ask for a sample and feel it, remembering to wash it once first to remove the finishing coat.
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