Why colourfastness test is important in Dyed Fabric?
Colourfastness is a fabric's ability to retain colour in various conditions. It can be colorfastness to washing under different temperature and duration, crocking (rubbing), light, perspiration, water, sea water, etc. All these tests are based on the end use of the product or fabric.
Can you identify the dye present in the Fabric?
Yes we can identify the dye present in the fabric. It is done chemically
What quantity of fabric do I need to send in for Colourfastness to washing test?
For Colourfastness to washing- 1/2 meter fabric or full one garment. It will take 2-3 days.
Can you identify the grade of Wool?
Yes we can identify the grade of wool microscopically.
Can you determine the strength of a Fabric?
Yes we can determine the strength of a fabric like Tensile Strength, Tear Strength, and Bursting Strength. It takes 3-4 days.
What is the time required for Colourfastness to Light?
It takes minimum 24 hours to test for colourfastness to light.
In Colorfastness to light how do you give rating for a Fabric?
In this test rating can be done with two methods:
1) Comparing with Grey Scales
2) Comparing with Blue Wool Standards.
Can you test for Azo dyes?
Yes we can do test for Azo dyes. It will take 6-7 days.
Can you determine why the (coating, adhesive) we use on our product failed?
Not only can we determine why the coating/adhesive failed, we can also make recommendations as to how to avoid future failures.
Can you tell me whether my (plastic, fabric, rubber) is strong enough?
We can perform all types of materials strength testing: Tensile, Compressive, Flexural, Tear, Breaking load etc. If you have a performance criterion for your product, we can determine whether it complies or not . Alternatively, we can compare the properties of one product to another to determine which is stronger.
Can you find out if the (textile, plastic, composite) I (sell, buy) meets flammability requirements?
We can perform vertical, horizontal, and 45° flammability tests per ASTM, IS methods.
Can you prepare a Material Safety Data Sheet for my product?
Yes we can prepare MSDS for your product. Usually, we use documented hazard data of the ingredients to estimate the hazardous component, toxicity, and labeling sections. We empirically determine the physical properties (boiling point, freezing point, evaporation rate, vapor pressure, vapor density, solubility in water, specific gravity, percent volatile, flash point, explosive limits, and reactivity).
What is FPD detector?
The Flame Photometric Detector (FPD) allows sensitive and selective measurements of volatile sulphur and phosphorus compounds. The detection principle is the formation of excited sulphur (S2) and HPO species in a reducing flame. A photo-multiplier tube measure the characteristic chemiluminescent emission from these species. The optical fibre can be changed to allow the photo-multiplier to view light of 394 nm for sulphur measurement or 526 nm for phosphorus.
What is a decitex?
It is the weight in grams of 10,000 meters of yarn.
What is coating?
Coating consists of spreading a layer of PU (Polyurethane) resin directly onto the fabric.
What is lamination?
In this process , membrane is bonded to the fabric with adhesive by applying pressure and heat.
How do you measure a) Water proofness and b) Water repellency?
Water proofness by: Pressure Head Test.
Water repellency by: Water Spray Test.
What is the difference between Waterproof and Water Repellent?
Water repellent indicates that water beads on the fabric.
Water proof is the degree of water pressure that can be applied to a fabric, yet still keeps the water on the outside of the fabric.
What is a microfiber?
Generally speaking, if a unit of yarn is below 1 denier it is called a microfiber. For example, if a 70 denier yarn has 98 filaments, this would be a microfiber. On the other hand, if a 70 denier yarn has 68 filaments you cannot call it a microfiber..
How much sample should I send?
That will depend on the tests & protocol requested by you. We will let you know how much sample to send when we know your testing requirements.
What can be done to minimize pilling?
Pilling of a fabric occurs when groups of short or broken fibers on the surface of the fabric become tangled together in a tiny ball called a pill. Pilling results from rubbing (abrasion) of the fabric during normal wear and use. While pilling cannot be eliminated it can be minimized by proper handling during washing of the fabric/garment. Before laundering, turn the garment inside and out. Use a slower agitation and a shorter wash cycle. And, remove the garment from the dryer as soon as it is dry.
To remove any pills on fabric, pull the fabric taut over a curved surface and carefully cut off the pill with scissors or shave the fabric surface with a safety razor. There are also battery operated pill removers, which shave the pills much like an electric razor. However, it's important to understand that once you remove the pills, they can come back. So you may find that you'll have to remove pills from time to time to keep your garment looking fresh and new.
What does D50, D65, and D75 mean for daylight sources?
The "D" indicates it is a daylight simulator. The numerical value indicates the color temperature of the lamp (5000K for D50, 6500K for D65, and 7500K for D75).
Why we use perchloroethlene as a dry cleaning solvent?
Perchloroethylene, or perc, is the dominant chemical solvent used in dry cleaning. It is a clear, colourless liquid that has a sharp, sweet odor and evaporates quickly. Perchloroethylene usually does not cause clothes to shrink.