G=Fabric can be clamped and rubbed by sandpaper by a machine. Technologist counts no. of rubs until there are signs of wear and tear.
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How can we test the elasticity of a fabric?
Hang the fabric and attach a weight to the bottom. Measure how much it has stretched by.
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How can absorbency be tested for?
Fabric can be weighed before and after being submerged in liquid. Or fabric can be placed in an embroidery hoop and coloured water dropped in the middle. Observe how much the water spreads.
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How can we test how likely a fabric is to crease?
Crease a sample by hand. Observe the results.
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How can we test the insulating properties of a fabric?
Add hot water to a test tube. Make a sock out of fabric and wrap around tube. Record temp loss over time.
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How can the flammability of a fabric be tested?
Set alight, observe smell, appearance, rate of burning, colour of flame e.t.c.
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What is a mixture fabric?
A fabric with different yarns in the warp and weft.
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Why are mixture fabrics produced?
To give specials effects (e.g. denim - white weft, coloured warp) and two-tone fabrics.
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Other cards in this set
Card 2
Front
How can an abrasion test be conducted?
Back
G=Fabric can be clamped and rubbed by sandpaper by a machine. Technologist counts no. of rubs until there are signs of wear and tear.
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