Kind of testing and approval required for garmenting process.

Garmenting process. OR International norms for testing and approval from fabric to

Quality management is the integration of all functions and processes within an organization in order to achieve continuous improvement in quality of goods and services for customer satisfaction. In apparel manufacturing industry, testing and approvals at different stages are an important process to produce suitable products for the end customer and to avoid accumulated monetary loss due to problem finding at the final stages. Testing is basically done in the laboratory of a factory and which are not facilitated in factory lab, may be tested in an independent outside lab. Sometimes a third party lab is recommended by the buyer. In case of its own retail company, different departments should be developed for approval and close monitoring of the test result of a product.
Different kinds of testing of fabric and garment

1. Colour fastness test there are different kinds of fastness in different conditions some of them are as follows:

A. Crocking: Through this method the transfer of colour of fabric or garment is evaluated in dry and wet conditions through a crocking machine by using crock cloth and chromatic transference scale.

B. Colour fastness due to light this is for evaluation of colour fading in sunlight.

How much colour would fade in a specified condition of sunlight?

C. Colour fastness due to laundering: This test is basically for the evaluation of fabric colour loss due to detergent solution and abrasive action equivalent to five home laundering. Minimum five wash guarantees is given by all reputed fashion brands for their product.

D. Colour fastness due to perspiration: This is for determining the colour loss of fabric through perspiration.

Three specimens of colour textile are soaked in simulated acid perspiration solution and allowed to dry slowly at a slightly elevated temperature in a circulating air oven for at least six hours.

E. Colour fastness due to water: Dyed, coloured or printed fabrics resistance to water is tested through this method. De-ionized or distilled water is used for this test method because natural water is variable in composition at different places.

2. Construction test Construction of fabric is based on yarn standard and weaving quality. The following two kinds of tests are important to know the construction and characteristics of fabrics;
A. Yarn quality and count test: Measurement of yarn thickness, plies and quality of yarn spinning and weave, comes under this test.
B. Weight test: Measurement of fabric mass per unit area / weight comes under this test.

3. Performance tests: Dimensional changes in fabrics and snagging resistance of fabrics come under this test.

A. Shrinkage / dimensional changes: This is generic term for changes in length and width of fabric in a specified condition of wet processing. The changes are usually expressed in terms of percentage compared to the original fabric. This test is important to know the dimensional changes of any kind of fabric while laundering at home in a given temperature, process and method

B. Snagging resistance of fabrics snagging is a common feature in woven and knitted fabrics and it is created when an object pulls, plucks, scratches, drags the yarns from its normal pattern. Snagging is of basically three types.

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