Plastics and Rubber Industry Terminology

'Switch the housing from HIPS to ABS for better impact at -20°C'; 'Specify PC/ABS for higher heat deflection'; '3D print the prototype in ABS to check snap fits'.

'Add a HALS UV stabilizer for outdoor PP decking'; 'We used a 30% talc-filled PP compound'; 'The antistat reduced dust attraction on the tray'.

'Set the Banbury drop temperature to 160°C for the EPDM masterbatch'; 'We saw poor silica dispersion in the Banbury mix'; 'Shift the oil addition to the second Banbury pass'.

'Run the HDPE bottle on EBM with a 1.5 mm parison'; 'ISBM gives PET bottles superior clarity'; 'Adjust the blow pressure to reduce paneling'.

'Tread compound uses N234 for abrasion resistance'; 'Carbon black loading raised Shore A by 5 points'; 'Use low-PAH carbon black for REACH compliance'.

'Outsource the TPE compounding with a 20:1 let-down'; 'Color masterbatch will be compounded in PP homopolymer'; 'We saw poor pigment dispersion in last week’s compound'.

'Add 2° draft to the ribs to eliminate drag marks'; 'Lack of draft caused parts to stick on the B-side'; 'Texture MT-11020 requires 3° draft per spec'.

'DSC shows a Tg at 105°C for PS'; 'Percent crystallinity of the HDPE was 68% by DSC'; 'No cold crystallization observed on the second DSC heat'.

'Choose an elastomer with low compression set for the O-ring'; 'TPEs give elastomeric feel with thermoplastic processing'; 'EPDM elastomer resists weathering in automotive seals'.

'Increase screw speed to stabilize sheet extrusion'; 'Coextrude an EVOH barrier layer'; 'Die lines indicate contamination in the extrudate'.

'30% glass-filled nylon doubled the modulus'; 'Switch from talc to mica for HDT improvement'; 'High filler loading raised viscosity and die pressure'.

'Tighten clamp force to reduce flash on the gasket'; 'Flash at the ejector pins suggests poor venting'; 'Tooling wear is causing flash on cavity 3'.

'Move the gate to thicken the weld line area'; 'Use a hot-tip gate to improve cosmetics'; 'Submarine gate reduced vestige but increased shear'.

'PC’s Tg near 150°C explains its heat performance'; 'Keep Tg of the epoxy above 120°C via post-cure'; 'DMA confirmed a Tg shift after plasticizer addition'.

'Selecting PE4710 HDPE for pressure pipe'; 'EBM HDPE bottle weighed 28 g after light-weighting'; 'HDPE stress cracking improved with antioxidant package'.

'Use HIPS for the TV bezel due to printability'; 'HIPS lost gloss after regrind beyond 20%'; 'Switch to ASA if UV resistance is needed over HIPS'.

'Short shots indicate inadequate packing pressure'; 'Optimize V/P transfer to reduce sink'; 'Hot runners cut material waste versus cold runners'.

'Our plant is ISO 9001:2015 certified'; 'Document the corrective action per ISO 9001'; 'Supplier must maintain ISO 9001 certification for audits'.

'Increase melt temp to eliminate jetting'; 'A fan gate reduced jetting on the cover'; 'Jetting seen near the pin gate at low injection speed'.

'Implement JIT with daily resin deliveries'; 'Kanban cards support JIT on the extrusion line'; 'JIT reduced WIP by 35% in compounding'.

'Two-bin Kanban for color masterbatch'; 'Set Kanban size to cover supplier lead time'; 'Kanban board shows backlog at the pelletizer'.

'Use K67 PVC for pipe extrusion'; 'The paste PVC K-value affects plastisol viscosity'; 'K70 grade improved pressure rating but raised torque'.

'LCA shows PCR PP cuts GWP by 30%'; 'We modeled ISBM bottles in the LCA tool'; 'Include end-of-life scenarios in the LCA'.

'Mold the LSR valve seat with a cold-runner system'; 'Shore A 50 LSR passed ISO 10993 tests'; 'Cycle time dropped to 30 s on the LSR tool'.

'Use a 2% black masterbatch in HDPE'; 'Switch to a universal carrier masterbatch for flexibility'; 'Poor let-down caused color drift on the caps'.

'Specify PP MFI 12 for thin-wall molding'; 'Higher MFR PE improved extrusion throughput'; 'MFI dropped after multiple reprocessing cycles'.

'Add sorbitol nucleator to clarify PP'; 'Nucleation cut PP cycle time by 15%'; 'PET preforms need nucleation for faster reheat'.

'Dry nylon to <0.2% before molding'; '30% GF PA66 meets structural requirements'; 'Switch to PA12 for better moisture resistance'.

'Stretch ratio 3x3 improved PET barrier'; 'MD orientation caused shrink on cooling'; 'BOPP has superior stiffness due to orientation'.

'Overmold TPE on a PP substrate'; 'Use primer for rubber-to-metal overmolding'; 'Gate through the subcomponent to minimize knit lines'.

'Choose PP random for clarity in housewares'; 'Impact PP copolymer survives drop tests'; 'Talc-filled PP boosts stiffness for dashboards'.

'Use Ca/Zn stabilizers for REACH-friendly PVC'; 'DOP-free plasticizers for medical tubing'; 'Rigid PVC extrusion needs vacuum sizing'.

'Run a QFD to prioritize impact vs. cost'; 'QFD showed UV resistance was a must-have'; 'Link CTQs to mold design via QFD'.

'Set in-process QC for Shore A and tensile'; 'Cpk>1.33 on wall thickness is required'; 'QC rejected the lot for excessive black specks'.

'Submit REACH registration for the new additive'; 'Ensure no SVHCs above 0.1% w/w'; 'Switch flame retardant to a REACH-compliant grade'.

'Capillary rheology shows shear-thinning behavior'; 'Match rheology to the hot-runner design'; 'High zero-shear viscosity improved sag resistance'.

'S-SBR improves wet traction in treads'; 'E-SBR easier to process in the Banbury'; 'Increase oil extension to lower compound cost'.

'Specify Shore A 70 for the seal'; 'Part measured 72A versus spec 70±5'; 'Switch to Shore D 60 for a stiffer overmold'.

'Use SEBS-based TPE for soft-touch grips'; 'TPV overmolds well onto PP substrates'; 'TPU offers abrasion resistance for wheels'.

'Transfer mold the phenolic under high pressure'; 'Thermoset scrap can’t be remelted'; 'Post-cure raises Tg and chemical resistance'.

'Target UL 94 V-0 at 1.6 mm for the enclosure'; 'Add FR package to reach UL 94 rating'; 'Prepare test plaques for UL 94 certification'.

'Switch to MDI-based PU for lower VOCs'; 'Cast PU wheels need high tear strength'; 'Flexible PU foam density set to 35 kg/m3'.

'Use 100% virgin resin for medical parts'; 'Blend 20% regrind with virgin PP'; 'Virgin PC maintained optical clarity'.

'Optimize sulfur cure system for compression set'; 'Peroxide-cured EPDM resists heat aging'; 'Cure curve on the rheometer peaked at 8 minutes'.

'Gate in the thick section to reduce warpage'; 'Moldflow predicted out-of-plane warp'; 'Hold pressure longer to balance shrink'.

'Move the gate to relocate the weld line'; 'Raise melt temp to improve weld-line strength'; 'Weld lines caused paint adhesion issues'.

'Specify XLPE for 90°C cable rating'; 'PEX-B involves silane crosslinking of PE'; 'XLPE outperformed HDPE in creep tests'.

'XRF the parts to verify RoHS compliance'; 'XRF flagged bromine in the recycled ABS'; 'Use XRF as an incoming QC check'.

'Add UV absorber to reduce yellowing outdoors'; 'After 500 h QUV, ΔYI exceeded spec'; 'Yellowing seen near the hot runner gate'.

'PC yield strength met the 60 MPa requirement'; 'Moisture lowered nylon’s yield stress'; 'Check yield offset at 0.2% strain per ASTM D638'.