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Process Description Characteristics Methods Reaction Plan
Process / Product Characteristics Specification Measurement Technique Sample Size & Frequency Monitoring & Control Method
Raw Material Acceptance

Impurity




Whiteness (Brightness)





Chemical
Specifications

No Impurity      required



As per our requirement   / PO




As per customer
requirement or product data sheet

Visual 




Whiteness Tester / Comparison Method



Wet Chemical
Analysis

One Sample/Lot



One Sample/lot3.





One sample permit per mine

Standard Sample




Data Comparison & Trend Analysis






DataComparison& Trend Analysis

Accept the Inward Raw Material from the mines site, only if impurity level is less than acceptable limits.

Accept the Raw Material only If whiteness is equal to or more than the standard sample or acceptable limit or
as per the purchase order specs.


Accept the material only if chemistry is as per requirement.
Follow decision rule for reconfirmation.If failure is confirmed, reject the shipment or accept for sub standard quality under concession.
Crushing Impurity




Size of material

No impurity required



Standard sample size

Visual



Visual

100%



One Sample/lot

Sorting / Segregate



Sorting/ Segregate
Each lot of material is visually inspected for impurities & over sized materials. Every foreign material is segregated. Over sized material re-crushed & High impurity rejected.
Mixing Proportion



Homogeneousness
As per requirement


Homogen. Mixing
Std size container


Visual
100%



100%
Sorting / Segregate


Proper mixing
Accept only if RM is in required proportion otherwise do correction.

Re-mix the different RM until mixing becomes homogeneous one.
Grinding

Particle size



Whiteness




Colour
Uniformity




Chemical Specification  

As per customer requirement


or Product Data Sheet
Sieve / Particle Size Analyzer


Whiteness Tester



Comparison with std sample


Wet Chemical Analysis
One Sample / 1 MT


One sample per 10 Bag from prod. Line

One sample per 10 bag



One Sample per
Batch
Do Trend Analysis
Accept the product only if particle size is equal to or less than required.


Accept the product only if whiteness is equal to std or more than required one.  


Accept the product only if color is matching with the standard sample.


Accept the product only if chemical specifications are as per requirement.
Follow decision rule for reconfirmationIn case of failure, immediately inform the Manager-QC or Manager-Production and stop the production.
Bag Filling Weight 25 Kg / 50 Kg Standard or as per customer requirement Weighing by Weighing Machine 100% Monitor the weight of every bag
Accept the bag only if weight is equal to standard bag weight or slightly higher than the required one.
In case of less weight, entire lot should go for correction & re-packing.
Storage

Cover / Stitching of Bags




Grade-wise stacking

All bags must be covered and Stitched


Grade-wise Stacking of all the bags
Visual





Visual
100% Stacks





100% Stacks
Contamina- tion with foreign particles,  moisture 
Accept the product only if total bags are stitched, covered and protected from moisture and contamination.


Accept the product only if there is no contamination due to stack mixing. In case of moisture and/or contamination in the bags, reject the entire lot.   
Follow decision rule for reconfirmation.
 
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