Permatex 80370 Battery Protector and Sealer (5 oz)
CarCareTruth Score
Mediocre.
Priced as of May 31, 2026
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Prices may varyAbout this product's hazards. This product's Safety Data Sheet uses signal word danger. Read the manufacturer's SDS and follow all safety instructions before use. CarCareTruth ratings translate the manufacturer's safety sheet. They do not replace the SDS or substitute for a hazard assessment specific to your task.
Health score is for adult use as intended, per the manufacturer's SDS. It does not model child ingestion, accidental spill cleanup, or off-label use. See the safety panel below for full hazard classification, and /disclaimer for the full editorial scope.
From the Safety Data Sheet
Full SDS ↗ (rev. 2025-03-05)GHS hazard codes are quoted from the manufacturer’s Safety Data Sheet. PPE tiers below translate those codes and the listed ingredient chemistry; they are not CarCareTruth recommendations.
EyesRecommendedMfr. SDS §8 · 29 CFR 1910.133(a)(1) · GHS H319SkinRecommendedMfr. SDS §8 · 29 CFR 1910.138(a) · GHS H315LungsSituationalMfr. SDS §8 · 29 CFR 1910.1000 · GHS H351Ventilation—No PPE in published sourcesShow details for all categories ▾Hide details ▴
From the manufacturer’s Safety Data Sheet, Section 8
“H319 (causes serious eye irritation) drives the recommended tier. Safety glasses are advised during aerosol application — mist at face height near battery terminals is a realistic exposure route.”
— Permatex
U.S. regulatory standard
29 CFR 1910.133(a)(1)
“The employer shall ensure that each affected employee uses appropriate eye or face protection when exposed to eye or face hazards from… liquid chemicals…”
ANSI Z87.1 (incorporated via §1910.6)
OSHA standards apply to workplaces. Cited here as the U.S. reference threshold for the underlying hazard class.
CarCareTruth publishes the cited sources verbatim and does not advise what action a user should take. Consult the full SDS before use.
From the manufacturer’s Safety Data Sheet, Section 8
“H315 (skin irritation) classification from xylene and solvent carrier ingredients. Nitrile gloves are the chemistry-indicated choice given the xylene and aromatic solvent content.”
— Permatex
U.S. regulatory standard
29 CFR 1910.138(a)
“appropriate hand protection when employees' hands are exposed to hazards such as those from… chemicals which produce an adverse effect on the skin or eyes…”
OSHA standards apply to workplaces. Cited here as the U.S. reference threshold for the underlying hazard class.
CarCareTruth publishes the cited sources verbatim and does not advise what action a user should take. Consult the full SDS before use.
From the manufacturer’s Safety Data Sheet, Section 8
“No H335 (respiratory irritation) at mixture level. The aerosol form factor creates mist in the semi-enclosed engine bay. H336 (drowsiness/dizziness from STOT SE) is present from xylene and acetone. In a closed garage, ensure ventilation.”
— Permatex
U.S. regulatory standard
29 CFR 1910.1000; 1910.1200
“Each employer shall assure that no employee is exposed [in excess of the PEL]…”
OSHA standards apply to workplaces. Cited here as the U.S. reference threshold for the underlying hazard class.
CarCareTruth publishes the cited sources verbatim and does not advise what action a user should take. Consult the full SDS before use.
The published Safety Data Sheet for this product does not specify ventilation protection for consumer use.
Workplace context
29 CFR 1910.134(a); 1910.1000
“the primary objective shall be to prevent atmospheric contamination [via] accepted engineering control measures (for example, enclosure or confinement of the operation, general and local ventilation…).”
Triggered by GHS H336 on the SDS.
OSHA standards apply to workplaces. Cited here as the U.S. reference threshold for the underlying hazard class.
PPE tiers translate the manufacturer’s SDS and U.S. regulatory standards. Not professional safety advice. How we report safety.
The Podium · Top 3 in Battery Terminal Cleaner
See the full ranking →This product ranks #8 of 9 in Battery Terminal Cleaner.Three above it ↓
CarCareTruth's Analysis
Last reviewed May 31, 2026
TL;DR A petroleum-based film protector that seals battery terminals against acid-salt corrosion — step two in a battery maintenance routine, applied after cleaning. DANGER signal word comes from the flammable aerosol propellant (physical hazard), not from the health H-codes, which are at WARNING level individually. Contains Prop 65-listed ingredients and high-VOC solvent chemistry. Wear safety glasses and nitrile gloves; ensure ventilation in a closed garage.
What it is and how it performs
Spray onto clean terminal posts and cable connections; the solvent carrier evaporates, leaving a waxy protective film that blocks acid-salt buildup. Community reviews confirm protection holds for months to over a year, and one can typically treats four or more vehicles. The coating goes on purple, making coverage easy to confirm. This is not a cleaner — no alkaline neutralizer chemistry, no color-change indicator.
Who should buy this — and who should skip it
Good buy for anyone who has just cleaned battery terminals and wants to prevent recurrence. Skip it if terminals still show visible corrosion; apply a dedicated cleaner first. Also skip if you want a single product that cleans and protects — this formula does not dissolve established corrosion.
Safety and environmental impact
DANGER is driven by the flammable aerosol and pressurized container — a physical fire hazard, not a health classification at DANGER level. Health classifications include skin and eye irritation, suspected carcinogenicity (Prop 65 warning from aromatic solvents), and potential organ effects from prolonged exposure. Eye protection and nitrile gloves are the chemistry-indicated precautions. High-VOC, non-CARB-compliant. The protective film stays on the terminal and does not reach drains, but the formula is aquatically toxic at the mixture level. Battery terminal corrosion contains lead sulfate — wash hands thoroughly after handling cleaned terminals.
Frequently asked questions
Is Permatex 80370 Battery Protector and Sealer (5 oz) safe to use?▾
The Safety Data Sheet for Permatex 80370 Battery Protector and Sealer (5 oz) carries a DANGER signal word, with classified hazards including H222 (extremely flammable aerosol); H229 (pressurized container: may burst if heated); H315 (causes skin irritation). The Amazon listing also carries a California Prop 65 warning. See the PPE breakdown above for use-case-specific guidance translated from the SDS hazard codes.
How does Permatex 80370 Battery Protector and Sealer (5 oz) score on CarCareTruth?▾
CarCareTruth scores Permatex 80370 Battery Protector and Sealer (5 oz) at 5.3 out of 10 on the composite CCT score, with a health sub-score of 3.3/10. The CCT score blends real-world effectiveness, ingredient health impact pulled from the manufacturer's safety sheet, and environmental footprint against a published category rubric. See the methodology link on this page for the full scoring breakdown.
From the manufacturer
Marketing copy from Permatex, via Amazon. Not editorial.
- •Seals and coats battery terminals eliminating the formation of acid salt corrosion typically found when terminals are untreated
- •Prevents terminal corrosion and battery drain
- •Increases battery life and improves electrical flow
- •Spray on batteries, battery terminals, and cables, in or out of storage
- •Suggested Applications: Automotive, marine, farm machinery, and motorcycle batteries
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Manufacturer videos
Manufacturer images
Manufacturer specifications
- Material
- Plastic
- Brand
- Permatex
- Item Weight
- 141 Grams
- Item dimensions L x W x H
- 2.13 x 5.56 x 2.13 inches
- Item Form
- Spray
- Brand Name
- Permatex
- UPC
- 686226803702
- Unit Count
- 5.0 Ounce
- Global Trade Identification Number
- 00686226803702
- Number of Items
- 1
- Part Number
- 80370
- Model
- 80370
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