Looking as all the responses to this thread I didn't see anyone mention or suggest powdering your Estes plastic, mylar or drycleaner bag chutes??? In 30 some years of flying I think I can count the number of Plastic wad recovery flights i've logged on one hand... Why??? Talc baby powder. I powder the heck out of both sides before folding. I always refold my chutes before flying but DO store them folded in the rockets. I usually preprep models for a particular launch the day before, repowdering and repacking the chutes as I go. Don't use Corn Starch baby powders unless you like flaming models and chutes!
I also find it helps to crumple new plastic or mylar chutes several times before their first use. Grab the mylar by an edge and crumple into a very tight ball, smooth out, grap another corner and so on around the chute. 6 to 8 times is usually enough to loosen up the material. but the baby powder is essential to ensure the chute opening no matter the temp -0 to 100+degrees.
Think about stuffing a 42" or 48" 1/4mil metalized mylar chute into a BT-50 size competition PD model, knowing for sure it's going to open everytime! A generous dusting of talc baby powder is the answer to Plastic Wad recovery problems
Nylon is ok but adds weight and bulk. For small to medium Mod-Rocs their un-necessary if you add a small bottle of talc baby powder to your range box.
Hope this VERY OLD Time, low tech competition remedy helps.