The quality of resin/rubber products depends on the type of additives and their quantity i.e. PHR level, in the final mixture feed. These additives are added to impart necessary physical properties like plasticity, thermal stability  and others, that aid in processing and/or improve the final product.  It is important to note that the additives come at various price range based on the market. The PHR level and cost of these additives set the price of the feed mix.


High amounts of costly additives will increase the overall cost of the feed mix and the product,  while, addition of fillers will reduce the cost. Thus, it becomes necessary to estimate the cost of the feed mix by consider the prices of all the additives with their PHR  level. 
Below we have provided the ‘FEED MIX COST CALCULATOR TABLE’ that calculates the Total cost and Cost per unit mass of feed mixture. 


1. Start by entering the “Total Compound mix mass” and select the units in the adjacent cell.

2. Provide the names of the resin and additives in the “Name” column.

3. Provide PHR for the additives in the cells adjacent to their names. PHR for resin/rubber is set to 100.

4. The Mass/weight column calculates and displays the amounts of resin and additives based on the Total mass and PHR values.

5. Provide the price unit below “Cost per unit mass”. Note that the price you provide here are for the same mass unit as given for “Total compounding mixture mass”. For example, if the units of total mixture mass is tons, then provide the cost for per ton of resin or additive.

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6. Cost for total compound mix and per unit mass of compound mix are displayed in the result table. (The cost provided are for indicative purpose only)

Watch the video tutorial on how to use the sheet here :

To get a copy of ‘Optimize feed mix cost’ calculation sheet contact us here.

(Note : Calculation sheet may not open in AMP format. Open search result link in new tab to use the sheet or click here )

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The amount of additives are merely not governed by the cost of feed mix. Considering the previous example, at higher levels, some additives might improve the quality while fillers might lower the quality of the finished product. There has to be an optimum trade-off between quality and cost to maintain a competitive price in the market.

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