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Home > Forums > Engineering Forums by Industry > Plastics Engineering > Plastic resins engineering Forum

How to Calculate Shrinkage

Read More Threads Like This One

MerDeNomsX12 (Industrial)

2 Apr 08 11:55

Where or how can i calculate shrinkage for various resins, methods and resin to glass ratios related to FRP. Thank you for your help in advance.

Pud (Mechanical)

2 Apr 08 14:59

Consult the manufacturer's data sheets.

Here's a start: http://www.ides.com/

patprimmer (Publican)

2 Apr 08 16:22

Like Pud says, or if it is an unusual situation and not covered by manufacturers data, lay up a small section and measure it.

Regards

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dwightdixon (Materials)

18 Apr 08 6:26

Are we talking thermoplastic glass reinforced injection molded parts here? Or are we talking Thermal set fiberglass? There is a lot of difference in how these two types of material respond.

MerDeNomsX12 (Industrial)

18 Apr 08 6:49

"related to FRP".....so its thermoset

Pud (Mechanical)

18 Apr 08 8:17

"Fibre Reinforced Plastic/Polymer" - could be any or all of the above I guess - looks like op has found what he wants anyway...

Manufacturer's data sheets still contain the data requested.

Cheers

Harry

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