# newest submissions : plastic r/plastic, mirrored by the RSS Amplifier directory. Page: Feed: --- ## [Solventless Lamination problem](https://www.reddit.com/r/plastic/comments/1w1jd8n/solventless_lamination_problem/) _2026-08-29 · /u/Independent\_civilian_ submitted by /u/Independent\_civilian \[link\] \[comments\] ## [Plastic is not airtight (for some gases)](https://www.reddit.com/r/plastic/comments/1w0cfvi/plastic_is_not_airtight_for_some_gases/) _2026-08-28 · /u/griffibo_ We just had our hardwood floors sanded and coated. Every single plastic container in my cupboards was infiltrated by the polyurethane fumes (volatile organic compounds) and that includes thick storage tubs with very competent seals. Open them up and PHEW you got a facefull of acetone or whatever it is. This begs the question…what the heck is in our plastic packaged foodstuffs by the time we get it… ## [Fri 8/28｜Technical Support：When a resin causes molding problems, who actually helps you solve it?](https://www.reddit.com/r/plastic/comments/1w0a1p4/fri_828technical_supportwhen_a_resin_causes/) _2026-08-27 · /u/After\_Woodpecker\_497_ When a new resin grade causes processing or molding problems, where do you normally get help? Internal engineers? Resin supplier? Distributor? Machine manufacturer? Other molders? And what kind of technical support is usually missing? submitted by /u/After\_Woodpecker\_497 \[link\] \[comments\] ## [What is the proper term for these extrusion features?](https://www.reddit.com/r/plastic/comments/1w06hcd/what_is_the_proper_term_for_these_extrusion/) _2026-08-27 · /u/iamzombus_ I've tried searching for screw grooves and I just get information about the screw in the extrusion machine. Screw bosses come up with information about injection molding bosses. Is there a term I'm missing? Also any good design guides for extruded profiles? Thanks!! submitted by /u/iamzombus \[link\] \[comments\] ## [Follow up..](https://www.reddit.com/r/plastic/comments/1vzv14u/follow_up/) _2026-08-27 · /u/aeon\_floss_ Remember this post from 3 months ago? https://www.reddit.com/r/plastic/comments/1tnf7ml/worlds\_largest\_polyethylenepolypropylene\_plant/ Follow up in original post comments. submitted by /u/aeon\_floss \[link\] \[comments\] ## [Which plastic are those? (for color mod)](https://www.reddit.com/r/plastic/comments/1vzrkl4/which_plastic_are_those_for_color_mod/) _2026-08-27 · /u/propylenoxid_ Looking for help identifying plastic on victorinox accessories submitted by /u/propylenoxid \[link\] \[comments\] ## [Looking for some scrap HDPE anybody know where I can find some](https://www.reddit.com/r/plastic/comments/1vzkmma/looking_for_some_scrap_hdpe_anybody_know_where_i/) _2026-08-27 · /u/Gold\_Appearance2608_ submitted by /u/Gold\_Appearance2608 \[link\] \[comments\] ## [Nope](https://www.reddit.com/r/plastic/comments/1vze25t/nope/) _2026-08-26 · /u/Lil\_Sexy78_ https://www.sciencealert.com/scientists-just-made-a-cookie-out-of-recycled-plastic-slurry-welcome-to-2026 submitted by /u/Lil\_Sexy78 \[link\] \[comments\] ## [Thu 8/27｜Cheap Resin vs High-performance Resin：What makes you choose a more expensive resin instead of the cheapest acceptable one?](https://www.reddit.com/r/plastic/comments/1vzcxhj/thu_827cheap_resin_vs_highperformance_resinwhat/) _2026-08-26 · /u/After\_Woodpecker\_497_ Price obviously matters when choosing plastic materials. But sometimes the cheapest material isn't the best option... What usually makes you choose a more expensive virgin or specialty grade? Customer/OEM requirements? Quality consistency? Failure risk? Heat resistance? Certification? Easier processing? Something else? Curious about what actually changes the decision. submitted by… ## [Trade Smarter With IBKR (Sponsored)](https://crawlproof.com/a/F31eEtDvBMip) _2026-08-26 · **Sponsored**_ Join Interactive Brokers through a referral and access low-cost global trading. ## [Wed 8/26｜Labor / Molding Skill：What causes more trouble in injection molding: materials, machines, molds, or people?](https://www.reddit.com/r/plastic/comments/1vyjhjy/wed_826labor_molding_skillwhat_causes_more/) _2026-08-26 · /u/After\_Woodpecker\_497_ For people working in injection molding: When production becomes unstable or defects keep happening, what is usually the hardest problem to solve? Material problems Machine/settings Mold problems Operator skill Process control From your experience, which one causes the most trouble? submitted by /u/After\_Woodpecker\_497 \[link\] \[comments\]