Rugs of this type are produced only using pure materials such as the following.
What is a good knots per inch hand knotted carpet.
This term refers to the number of knots that are packed into an area of 1 sq.
For example some countries use poor quality or highly processed wool for hand knotted rugs.
The main factors that determine hand knotted rug prices are their knot count and size.
Hand knotted rugs will never be woven using synthetic materials like polypropylene nylon acrylic or polyester.
The main measurement is kpsi knots per square inch similar to the pixels on a tv or computer screen the more pixel or knots the clearer and sharper the image.
This is typically measured by counting the knots on the back of a rug across a vertical and horizontal inch and multiplying the two numbers.
That means it would take a skillful weaver 6 480 hours to weave a 9 12 foot rug with a density of 150 knots per square inch.
Knot density is not the most important factor with regard to the quality of hand knotted carpets despite what many people think.
Inch of the rug.
A skillful weaver is able to tie a knot in about ten seconds meaning 6 knots per minute or 360 knots per hour.
A rug can consist of 25 to over 1 000 knots per square inch.
A good quality hand knotted rug can become a collector s item but this doesn t hold true for just any hand knotted rug.
Every single knot is tied by hand.
Most oriental rugs range from 7 7 knot count to 16 16 with 9 9 being a popular average.
Silk hand knotted area rugs that are woven from silk are stunningly luxurious.
There is a whole range of hand knotted ones from poorly made examples to exquisite ones.
Kpsi stands for knots per square inch is measured on the reverse side of a hand knotted oriental rug.
This is an example from a more detailed handmade carpet.
A 12x12 rug would have 144 kpsi.
Silk being an expensive material rugs of this type have a higher price.
On the backside of the carpet it is clearly visible how tight the knots are.
Hand knotted rug machine made rug hand tufted rug knots per square inch explained how knots per inch is counted.
A rug s knot count or knots per square inch kpi is the number of knots woven into it per square inch.
The easiest but the most deceptive of the rug quality indicators is the concept of kpi or knots per square inch kpi is calculated by multiplying the horizontal knot count times the vertical knot count in a one inch area of the carpet.
Individual knots are counted 1 vertically and 1 horizontally then multiplied together to arrive at the knots per square inch.