PARTS UPSTREAM // Supply Chain Early Warning

Monitoring petrochemical feedstock signals for collision repair parts supply disruption. Auto parts & plastics.

Updated: May 1, 2026
⚠️

Signal Level: YELLOW — Elevated Watch

North American PP spot prices remain stable, but global structural disruption is accelerating. Export pull, feedstock constraints, and Tier 1 country shutdowns confirm upstream stress. 4–6 week buffer window is active.

NA RESIN SPOT PRICES Stable
PP Homopolymer
Bumper fascias, fender liners
▼ 1.2%
30-day trend
PP Copolymer
Bumper covers, interior trim
▼ 1.1%
30-day trend
NA PP (Mar 2026)
IMARC Group
$1.24/kg
+22.8% QoQ
NA PP (Apr 2026)
IMARC Group
$1.40/kg
+12.9% MoM

Source: The Plastics Exchange homepage + IMARC Group pricing reports

CRUDE & FEEDSTOCK Disrupted
Brent Crude
International benchmark
$123/bbl
~$126 peak, +40% pre-war
Dubai/Oman Crude
Asian benchmark
$169–182/bbl
Massive Asia premium
Strait of Hormuz
~20% global oil transit
CLOSED
Since Feb 28
Global Ethylene Lost
S&P Global estimate
12%
~23M tonnes annualized
GLOBAL PP PRICING (APR 2026) Surging
Europe
$2.05/kg
+30% YTD, €100-130/t weekly gains
North America
$1.40/kg
Rising but manageable
NE Asia
$1.23/kg
Feedstock-constrained
India
$1.17/kg
+0.9% QoQ (understated)
NA EXPORT PULL RISK Watch
Port Houston Exports
Container PE shipments
↑ Increasing
Per S&P Global WPC
NA Operating Rates
Pre-crisis ~mid-70%
Flat Out
Per Dow CEO Fitterling
TPE Transaction Volume
Plastics Exchange
25-yr High
Week of Mar 6
⚠️ Key risk: NA producers redirect domestic supply to higher-margin global buyers. Domestic tightening follows export pull.
DISRUPTION TIMELINE — IF HORMUZ STAYS CLOSED

Feb 28 – Now (Week 9)

Hormuz closed. Price increases flowing through global markets. NA physical supply still available from inventory + domestic NGL feedstock. Global polymer prices up ~30-50% by segment.

Now – Mid June (Weeks 9–15) ← YOU ARE HERE

Resin manufacturers drawing down ~6 weeks of raw material inventory. Specialty grades tightening first. Watch for allocation language in TPE newsletter and StoneX reports. Export pull from NA accelerating.

June – July (Weeks 15–20)

Resin allocation begins broadly, especially specialty grades. Tier 1 country supply chains (Korea, Japan) severely impacted. Lead times extending for Tier 2/3 suppliers. NA domestic tightening likely if export pull continues.

Aug – Sept (Weeks 20–28)

Parts backorders materialize at scale in NA. Claims cost impact begins compounding. Rental costs balloon, supplements stack, severity-per-claim spikes. This is the $30M repeat zone.

COUNTRY RISK TIERS

Tier 1 — Critical

🇰🇷 South KoreaDISRUPTED
🇯🇵 JapanSPR DRAW
🇹🇭 ThailandEXPOSED
🇮🇳 IndiaSTRESSED

Tier 2 — Watch

🇨🇳 ChinaCOMPETING
🇩🇪 GermanyCOST SURGE
🇹🇼 TaiwanKEY RESIN

Tier 3 — Insulated

🇺🇸 USANGL-BASED
🇨🇦 CanadaNGL-BASED
🇲🇽 MexicoINTEGRATED
SIGNAL LOG 5 Active
May 1, 2026
S&P Global WPC: 12% of global ethylene production lost. NA producers running "flat out." Dow CEO confirms unprecedented ramp. Port Houston exports increasing — containers of PE.
C&EN / S&P Global WPC
Apr 30, 2026
Global PP prices up 30%+ YTD. Europe at 4-year highs. Some segments seeing +40-50% in packaging. Automotive component costs rising.
PolyesterTime / ChemOrbis
Apr 27, 2026
Iran halted all petrochemical exports to stabilize domestic market. 85% of export capacity disrupted. Jubail PPE resin facility struck — PCB prices +40%.
Iran International
Apr 17, 2026
Hanwha TotalEnergies declares force majeure on paraxylene (PX). Condensate supply from Middle East cut off. PE/PP packaging prices +20-30% in Korea this month.
Seoul Economic Daily
Apr 4, 2026
Yeochun NCC (Korea's largest ethylene producer) declares force majeure. All facilities at minimum capacity. LG Chem, Lotte Chemical, Hanwha warn of FM.
Korea Times / C&EN / Seoul Economic Daily

KOREAN RESIN PRODUCERS — STATUS All in Distress
CompanyStatusDetailRisk
Yeochun NCCForce Majeure (Apr 4)Korea's largest ethylene producer. FM declared. All facilities at minimum capacity.CRITICAL
LG ChemPartial ShutdownYeosu No. 2 NCC shut down. No. 1 running on limited naphtha. FM on DOTP exports. Q1 loss ₩189B.CRITICAL
Lotte ChemicalMaintenance Pulled ForwardAccelerated maintenance. Reviewing FM. Operating loss ₩195.6B projected.CRITICAL
Hanwha SolutionsForce MajeureFM on polyolefin. Hanwha TotalEnergies FM on PX. Gross loss ₩217.4B.CRITICAL
GS CaltexOutput CutDaily refining cut from 800K to 675K barrels. Further cuts under review.WATCH
71% of Korean plastic-industry SMEs have received supply-reduction notices. 92% have received price-increase notices. (Korea Federation of Plastics Industry Cooperatives, March 2026)
THIRD-PARTY PLASTIC PARTS SUPPLIERS TO HMG New Intel
SupplierTypePlastic Parts MadeResinsHMG Dep.Risk
Seoyon E-HwaIndep. Tier 1Door trim, bumper covers, grilles, console, headlining, pillar trim, seatsPP, TPO, ABS, PC-ABS87%CRITICAL
SL CorporationIndep. Tier 1Headlamps, rear lamps, mirrors, FEM, charge-port doors, shiftersPC, PMMA, ABS, PBT-GF, POM~55% KoreaCRITICAL
Seoyon CNFIndep. Tier 2Seat foam pads, headrests, armrests (polyurethane)TDI/MDI PUSeoyon GrpCRITICAL
Hwaseung R&AIndep. Tier 1ALL weather strips, A/C hose, fuel hose, radiator hose, brake hoseEPDM, TPV, TPE, PA6, NBRMulti-OEMCRITICAL
PlakorIndep. Tier 1Bumper covers, instrument panels, glove box, pillar/door trim, tailgateTPO, PP-talc, ABSHMG+VW+GMHIGH
NVH KoreaIndep. Tier 1Headliner substrates, floor modules, insulator dash, sun visors, acoustic padsPET, PU foam, PPHMG dom.HIGH
Donghee Ind.Indep. Tier 1Plastic fuel tanks (HDPE 6-layer), filler necks, pedal modulesHDPE, EVOH, PA6-GFHMGHIGH
Korea Fuel TechIndep. Tier 2Carbon canisters, plastic filler necksHDPE, PA6Multi-OEMMOD
DAS CorpIndep. Tier 1Complete seats, structures, recliners, motors, sliding railsPP, ABS, POM, PU~70% HMGMOD
Hyundai IHLMobis Sub.Headlamps, fog lamps, DRL, rear lamps, license plate lampsPC, PMMA, ABSMobis-ownedPROTECTED
Hyundai MobisHMG CaptiveBumper fascias, IP frames, carriers, FEM carriers, modulesPP-TPO, ABS/PC, PA6-GFHMG captivePROTECTED
PARTS-CATEGORY BOTTLENECK RANKING Predictive
1
Lamp lenses & housings
PC, PMMA, ABS — SL Corp, Hyundai IHL
PC is downstream of multiple naphtha intermediates. SL + IHL cover virtually all Korean lamp production. FIRST TO RATION
2
Weather strips & rubber hoses
EPDM, TPV, NBR — Hwaseung R&A (near-monopoly)
EPDM requires ethylene + propylene — both being rationed by YNCC and LG Chem. FIRST TO RATION
3
Door trim, pillar trim, garnishes
ABS, PC-ABS, PP — Seoyon E-Hwa, Plakor
ABS is a global price-hike target. Seoyon/Plakor lack Mobis allocation priority. ELEVATED
4
PU seat foam & headrests
TDI/MDI polyurethane — Seoyon CNF, DAS Corp
Hanwha TotalEnergies FM on TDI/MDI in March directly impacts this category. ELEVATED
5
Headliner substrates & acoustic pads
PET nonwoven, PU foam — NVH Korea, Seoyon Intech
PET and PU foam under pressure from PX/PTA supply disruption. ELEVATED
6
Grilles, emblems, small trim
ABS, PP, chrome-plated — Plakor + Korean SMEs
Dozens of small Tier 2/3 molders with lowest allocation priority. ELEVATED
7
Bumper covers & IP frames
PP-TPO, PP-talc — Hyundai Mobis (in-house)
Mobis has highest resin allocation priority. Last category to ration. LAST TO RATION
Inversion insight: Common assumptions focus on bumper covers (highest-volume collision part). But Mobis molds bumpers in-house with priority resin allocation — they should be the LAST to ration. Lamp lenses, weather strips, and specialty trim will constrain repairs first.
VEHICLE MODEL EXPOSURE — SELECTED MODELS 34 Models Assessed
ModelAssemblyParts SourceNotesTier
Kia EV4Korea100% KoreaCanada-only. No U.S. parts pipeline.TIER 1
Kia EV5Korea100% KoreaCanada-exclusive. Not sold in U.S.TIER 1
Kia EV3Korea100% KoreaU.S. launch uncertain. No U.S. inventory.TIER 1
Kia Niro PHEVKorea100% KoreaPHEV discontinued in U.S. for 2026.TIER 1
Hyundai Kona EVKorea100% KoreaElectric skipped in U.S. for 2026 MY.TIER 1
Hyundai IONIQ 6Korea100% KoreaDiscontinued in U.S. Limited residual.TIER 1
Genesis GV70/eKorea100% KoreaTop-selling Genesis in Canada (~5,355 units).TIER 2
Kia SoulKorea100% KoreaSold in both markets. All parts Korean.TIER 2
Kia CarnivalKorea100% KoreaKorea-built for all markets.TIER 2
Hyundai TucsonMexicoBumpers: Mobis ALTop seller (~42K units). Some trim Korea-sourced.TIER 3
Kia SportageGeorgiaBumpers: Mobis GAMajor seller (~24K units). Bumpers from Georgia.TIER 3
Hyundai Santa FeAlabamaBumpers: Mobis ALBumpers/IP frames from Mobis Alabama.TIER 3
Hyundai IONIQ 5GeorgiaBumpers: Mobis GAStandard variant. Built at Metaplant Georgia.TIER 3

Full 34-model assessment in companion document: Korean-Replacement-Parts-Exposure-Canada-May2026.docx

INTERNAL CLAIMS INDICATORS (UPDATE FROM YOUR DATA)
Backorder %
Low
→ Flat — monitor weekly
Avg Days-to-Repair (30d)
Plastics-heavy repairs baseline TBD
Supplement Frequency
Substitution/wait signals TBD

How to update: Share your latest backorder %, days-to-repair rolling average, or supplement frequency and I'll update these panels. When internal metrics confirm upstream signals, that's your trigger to draft the one-pager.

SIGNAL FRAMEWORK REFERENCE

GREEN — NORMAL

TPE language: "balanced supply/demand," "adequate inventory," "stable pricing." No action required. Routine monitoring.

YELLOW — ELEVATED ← CURRENT

TPE language: "tightening supply," "prices firming on supply concerns," "export restrictions," "feedstock constraints." Draft internal note, increase monitoring to weekly, watch for allocation language.

RED — CRITICAL

TPE language: "allocation," "force majeure," "supply rationing," "lead times extending." Asian cracker shutdowns, naphtha shortages confirmed. Raise hand internally immediately. Present one-pager.

Escalation Triggers

Any of: Formosa Plastics (Taiwan) force majeure • NA PP allocation announced • TPE newsletter uses "allocation" or "rationing" • Backorder % rises >2 standard deviations • Days-to-repair exceeds 30-day rolling baseline by >15% • Seoyon E-Hwa or SL Corporation disclose resin procurement difficulty • Ottawa-area dealer lamp/mirror ETAs extend before bumper ETAs

partsupstream.ca — Supply chain early warning for auto parts & plastics
Data sources: The Plastics Exchange · StoneX Bi-Weekly · IMARC Group · S&P Global WPC · ICIS · ChemOrbis · Seoul Economic Daily · Korea Times · MarkLines · Seoyon E-Hwa · SL Corporation · Hyundai Mobis
Personal project — not employer-directed. COVID baseline: $30M claims cost impact.