All about flow chart of textiles

Flow Chart of Sample Dyeing Process

Flow Chart of Lab Dyeing Process
Rana Sohel
Executive Engineer
Sunman Textile Mills Ltd. Chittagong
Cell: +8801912-420118
Email: rsohel07tex@gmail.com




Sample Dyeing:
Before bulk production sample dyeing must need. Normally a textile dyeing mill get offer through merchandiser. Merchandising department of dyeing mill send the swatch to the central dyeing lab. Then dyeing lab manager dyeing the sample of the following way.
Lab dyeing
Lab dyeing
Flowchart of Laboratory Dyeing Process

The laboratory dyeing process of is as follow:

Sample Received

Standard is checked with the Reference from the inventory

If matched then sample prepared from that recipe

If not matched than the color percentage is calculated by using Data Color

Recipe Prepared

Sample prepared according to recipe

Standard (From Buyer) and Sample prepared is Compared

If Okay then the sample is sent to Buyer

Buyer approves the sample and order for the bulk production.


Above process are described shortly:


Sample Received: Buyer sends a sample which is considered as standard in whole process. Buyer also gives some requirements about the properties of the standard fabric. For example, Buyer wants good wash fastness, light fastness, rubbing fastness, pilling formation etc. The lab receives this standard to make this fabric according to buyer requirements.

Standard is checked with the Reference from the inventory: The factory dyed a lot of fabric in its running years. It also stores a lot of sample in its inventory. The standard is first checked with the samples kept in the inventory.

If matched then sample prepared from that recipe: If the standard is matched with the sample of inventory then the next process becomes easier. Because after matching the sample with standard previously maintained recipe is followed. If the sample does not match with the standard then the process goes to data color.

If not matched than the color percentage is calculated by using Data Color: If the standard does not match with the samples of inventory, then the standard percentage of color is found out from the data color machine.

Recipe Prepared: According to the results of data color machine the recipe is prepared to get the desired sample of that standard.

Sample prepared according to recipe: Following the procedure the sample is prepared.

Standard (From Buyer) and Sample prepared is Compared: After getting the sample is compared with the standard. And several tests are done to meet the buyer requirement.

If Okay then the sample is sent to Buyer: Sample is then sent to the buyer for the final approval.

Buyer approves the sample and order for the bulk production: When buyer gives the final approval the fabric is sent to production floor for the bulk production.