What is meant by second or third generation graphite. I'm familiar with rod blank construction modulus, resin, and scrim materials; but I've never heard this phrase used to describe graphite. Anyone clarify this? I'm getting ready to purchase a finished Certified Pro Bass Rod, and either a IM 700 IMP844 or an XMG 50 LP 844 blank to do a custom out of, but wanted help in making the selection.
Anyone who has used both materials--how much more sensitive is XMG 50 graphite than IM 700 graphite? Also how common is the tip breakage issues I've heard about in the XMG 50 rods?
Here's the description from Lamiglas on IM 700 rods:
"They employ an all-new smaller diameter blank design with an improved resin system to produce a 15 percent lighter weight rod blanks than comparable graphites on the market. These rod blanks exhibit properties found only in second and third generation graphites."
thanks guys


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The LP 842, and 844 are some of my all time favorite blanks, no comparision with the IMP blank. The LPs are faster tipped and more sensitive, best performance for the dollar out there in many categories. Certified Pros are built IM700 blanks, unless noted otherwise in the catalog.
No one knows as much as all of us.
Yes but how big of a difference? And is the IM 700 still a nice sensitive stick? I hope so, because I just pulled the trigger on a xc 703, whcih uses the IMP 844 blank...
Thanks.
As far as blank materials go, IM700 is a wonderful material that I fish alot. There is another rod manufacturer in the same area that also has "IM_" on their rods that mysteriously came out at virtually the same time years ago. Hmmmm.
When the material first came out I built medium action steelhead rods on both materials, I wouldn't want to bet my life on the differences. Though the IM 700 rods of varied weights are still around the others aren't due to breakage, travel damage, etc. I don't think it was all bad luck.
What your asking is hard to quantify over the internet, there are dropshot rods in the the Certified line that may help, the XPS 702 is a IM700 blank, the XPS 702X is a XMG blank.
No one knows as much as all of us.