Can you use this on a micro usb port?

It's a physical electrical connection between two small conductors. I would say yes, and would try it myself. If I understand your question the "male" & "female" parts of this connection are self sealed by the housings that contain them, so there would be no contamination of any other parts/connections by the use of CRC. I assume (almost always big trouble) you have an intermittent connection at this USB? Before you spend any $$. Be certain its a contaminated connection, and not a broken/loose wire in either side. Test the "male" in a known good "female" and if the bad connection is absent then try a know good "male" in your suspected bad "female" and see if you can isolate the specific issue. Troubleshooting the component by isolating them one by one is a tried & true method to isolate electrical issues.Either way CRC is a good product, W/many electrical connection uses, potentiometers, switches, slider controls, fuse blocks - almost endless. Good luck.

How would you compare CRC electronics cleaning products with their Deoxit counterparts? I have only used CRC non-electrical automotive cleaners.

I use both. There is little to no difference other than the price and size of the cans.

How long does it take to dry?

Nearly instantly at 70deg F. I'd say under 20 seconds, generally.

Does this can come with a straw nozzle for spraying into tiny crevices? Thank you.

Yes it does. It should be taped to the side of the can

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CRC QD Electronic Cleaner 05101 – 4.5 Wt. Oz., Plastic Safe Cleaner, Safe for Sensitive Electronics

Product ID: 277261456

Details

Brand
CRC
Item form
Spray
Material features
Recycled
Scent
Citrus
Specific uses for product
Electronic

⚡Fast-drying formula

🔧Multi-surface electronic use

🧴Plastic-safe, residue-free

Description

⚡ Clean smarter, not harder — keep your electronics flawless!

TRUSTED INDUSTRY LEADER - CRC’s proven formula keeps your tech protected and performing
VERSATILE CLEANING POWER - Ideal for circuits, relays, plugs, and more—one spray does it all
LIGHTNING FAST EVAPORATION - Dries quickly to keep your devices ready in seconds
SAFE ON SENSITIVE PLASTICS - Perfect for delicate components without damage risk
ZERO RESIDUE ZERO WORRIES - Leaves no residue, ensuring flawless electronic performance

CRC QD Electronic Cleaner 05101 is a 4.5 oz aerosol spray designed for sensitive electronics. Its fast-evaporating, alcohol-based formula cleans without leaving residue and is safe on plastics, making it ideal for circuit boards, relays, plugs, and other delicate components. Trusted by professionals, it ensures reliable contact and prevents failure while maintaining device integrity.

Specifications

ASIN	B000CCMLD0
Best Sellers Rank	#99,875 in Automotive ( See Top 100 in Automotive ) #23 in Automotive Electrical Cleaners
Brand Name	CRC
Cleaning Agent Formulation	Detergent
Container Type	6 Ounce Aerosol, 16 Ounce Aerosol
Contains Liquid Contents?	Yes
Customer Reviews	4.6 4.6 out of 5 stars (1,420)
Global Trade Identification Number	00078254051017
Item Form	Spray
Item Type Name	electronic cleaner
Item Volume	130 Milliliters
Item Weight	0.01 Ounces
Manufacturer	CRC
Material Features	Recycled
Model Number	05101
Number of Items	1
Part Number	05101
Scent	Citrus
Size	1 count (Pack of 1)
Special Features	Alcohol Based,No Residue,Residue Free,Residues
Special Ingredients	Non-Conductive Ingredients, No Chlorinated Solvents, Clear Colorless Liquid Ingredients
Specific Uses For Product	Electronic
Surface Recommendation	Plastic
UPC	078254051017
Unit Count	4.5 Grams

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