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Laminate Calculators for Knit Reinforcements

Below you will find laminate calculators for some of our common knit reinforcements.  Knit reinforcements consist of fiberglass, carbon fiber, or kevlar yarns laid down in the same direction on each plane, for example the first layer of a double bias has all of its yarns laid in plane at 45 degrees, the next layer is laid on top of that at -45 degrees, and then the two layers are stitched together. Straight in plane yarns provide better mechanical properties, increase the drapability of the fabric (in the case of double bias knits), or increase the porosity of the fabric (in the case of 0/90 Knits), and provide the ability to tailor material properties to where you need them.

Please keep in mind that calculators do not have a factor for wastage as it can vary widely due to a number of factors. 

Knit Double Bias Calculator copy1

Material
           
 
Laminate Parameters  
Thickness in inches  
Surface Area of Laminate  
 
Material Needed  
Layers of reinforcement  
Approx. Weight of Glass in LBS   Does Not Include Wastage or Scrap  
Resin Needed in Gallons   Does Not Include Wastage  
Total Laminate Weight Glass + Resin- LBS  
Yards of Reinforcement 50" Wide  
Catalyst Needed in Ounces   1.5% catalyst ratio, rounded up next gallon.
Note: Select Laminate Material then change cells for Thickness and Surface area then click update to get results  
 

DBM1708 is a 17oz double bias glass with 3/4oz chop mat stitched to it.  Total weight is 25.3oz per square yard.
DBM1208 is a 12oz double bias glass with 3/4oz chop mat stitched to it. Total weight is 19.3oz per square yard
DB170 is a 17oz double bias glass with no mat.  17oz per square yard.
DB120 is a 12oz double bias glass with no mat. 12oz per square yard
1808 is a 0/90 Glass with 3/4oz mat stitched to it. Total weight is 25.95oz per square yard.
1208 is a 0/90 Glass with 3/4oz mat stitched to it. Total weight is 20.55 oz per square yard
180 is 18oz 0/90 with no mat, 18oz per square yard.
120 is 12oz 0/90 with no mat, 12oz per square yard.
 


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Fiberglass Supply 
 11824 Water Tank Rd. Burlington
 Washington, 98233 USA
Phone; (509) 493-3464
Fax(360)757-8284
 e-mail support@fiberglasssupply.com