What is meant by "non-critical metal" surfaces? I plan on using this for various metal connectors in my car's electrical system. Thanks.

My guess is that it's a disclaimer like "don't use on a pace maker". You can write to them to be sure.I use it on EVERYTHING.All batteries - no more shaking of a flashlight. EverUSB connectors. No wiggling.Everything.Besides the cleaning action claimed, I think it keeps corrosion at bay and helps lubricate things like USB cables that get plugged/unplugged.Get it. Love it.Consider the 7.4mL - http://www.amazon.com/Booster-Electric-Connection-Enhancer-Lubricant/dp/B0002BBVN2And refill either from the more reasonably priced: http://www.amazon.com/DeoxIT-25cc-Precision-Dispenser-100%25/dp/B0000YH6F8

With this help with grounding issues in guitar 1/4" jacks?

No.. it only helps conducivity.. You have to tech out your grounding issues.. Most likely it’s the ground wire from the back of one of the pots to your bridge.. look up “string ground”..

Is this safe for silver plated connectors?

Yes it's design for silver electrical contacts.

Will this work for non-silver solder card edge contacts?

Yes, it will work on all electrical contacts.

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DeoxITLiquid, squeeze tube 100% solution 2 mL - D100L-2C

Product ID: 7690128

⚡Boosts conductivity by dissolving corrosion

🔥Operates reliably from -34°C to 200°C

🛡️Protects and preserves metal contacts

€ 19.16

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Description

⚡ Keep your connections flawless, or risk falling behind!

MADE IN THE USA - Trusted quality and reliability from a domestic manufacturer
CONNECTION SAVIOR - Reduces intermittent signals, arcing & RF interference
CORROSION CRUSHER - Eliminates oxidation for flawless connections
TEMPERATURE TITAN - Performs under extreme conditions, from freezing cold to scorching heat
PRECISION APPLICATION - Squeeze tube delivers exact 2 mL dose for no-waste usage

DeoxITLiquid D100L-2C is a 100% solution contact enhancer that chemically cleans, deoxidizes, and preserves metal connections. Designed to improve conductivity and reduce signal issues like arcing and RF interference, it operates effectively across a wide temperature range (-34°C to 200°C). Packaged in a precise 2 mL squeeze tube, this US-made formula is a must-have for professionals demanding reliable electronic performance.

Specifications

ASIN	B0015A5AAY
Best Sellers Rank	#18,808 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #119 in Industrial Lubricants
Customer Reviews	4.6 4.6 out of 5 stars (910)
Date First Available	November 19, 2003
Item Weight	3.2 ounces
Item model number	B0015A5AAY
Manufacturer	Caig
Product Dimensions	4 x 1 x 8 inches

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€ 19.16

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Austria.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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