Will this be good for covering a 4 awg wire splice or should i purchase the wider pad instead?

We have used this on #4/0 which has diameter of 0.46 vs. 0.20 for #4 wire size

PLease for: 1. 150 x Scotch 22 Heavy duty Electrical Tape(25mm x 33M). 2. 150 x Scotch 23 Rubber Splicing Tape (25mm x 9.15M). Regards Vijay Kumar

The #22 HD tape is for making common electrical splices/protection. It is "thin" and should not be stretched when applied to finish - always "cut" the tape, then finish the last wrap. This provides OK weather proof, if applied in 2 or more layers, that over-lap each other by 1/2 the width. Whereas:The #23 tape is a much thicker and "rubber" vs a plastic - it is spongy when applied. This tape is called self amalgamating which means it loves to STICK to ITSELF and forms a true moisture barrier when laid on carefully using that 1/2 width overlap. It should be "protected" from the elements by a layer of the #22 plastic tape to finish the splice correctly. It also provides extra voltage protection for high voltage wires - ie, 2 or 3 layers of this should stand up to 2500 to 7000 volt mains service, whereas the #22 tape is only good for up to 600 volt service. Thickness is used for increased voltages.I am a ham radio person, NOT a lic electrictrician so consult a professional if you need more understanding.

Can I use this to repair wire insulation on my car where I can't use shrink tubing?

You might find this tape bulky for that application. Temperature to 194F so not all engine locations. I do not know about resistance to fuel and oil.

Good for garden hose repair?

I've used it on multiple applications with great results but have never to repair a hose. I'd be curious to see how that goes. Depends on the leak?

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3M Scotch Rubber Mastic Tape 2228, 1 in x 10 ft, Black, Conformable, Self–Fusing, Electrical Insulating, Moisture Sealing, Indoor and Outdoor Applications, 65 mil thick, 1 Roll

3M Scotch Rubber Mastic Tape 2228, 1 in x 10 ft, Black, Conformable, Self–Fusing, Electrical Insulating, Moisture Sealing, Indoor and Outdoor Applications, 65 mil thick, 1 Roll

Product ID: 7982098

Details

Brand
3M
Color
Black
Material
Rubber
Number of Items
1
Recommended Uses For Product
Electrical

⚡1000V electrical insulation

💧moisture & UV resistant

🛠️65 mil thick, quick build-up

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Description

🛡️ Seal the deal with 3M’s ultimate electrical tape—because your connections deserve the best!

SELF FUSING SEAL - Aggressive mastic adhesive creates a moisture-tight, self-fusing bond that lasts.
CONFORMABLE COMFORT - Thick 65 mil rubber backing molds effortlessly over irregular surfaces for seamless sealing.
CERTIFIED CONFIDENCE - UL recognized and RoHS compliant—trusted by professionals for high-stakes applications.
WEATHERPROOF WARRIOR - Engineered to resist moisture and UV exposure for reliable indoor and outdoor performance.
POWER GRADE PROTECTION - Primary electrical insulation rated up to 1000V keeps your connections safe and sound.

3M Scotch Rubber Mastic Tape 2228 is a premium, 1-inch by 10-foot self-fusing electrical tape with a 65 mil thick ethylene-propylene rubber backing and temperature-stable mastic adhesive. Rated for up to 1000V and 130°C, it offers superior moisture and UV resistance for both indoor and protected outdoor use. UL listed and RoHS compliant, this tape delivers professional-grade insulation and sealing for demanding electrical and industrial applications.

Specifications

ASIN	B001B1AP3O
Adhesive Format	mastic
Adhesive Location	One side
Adhesive Side Count	1
Best Sellers Rank	#15,279 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #100 in Electrical Tape
Brand Name	3M
Color	Black
Compatible Material	Rubber
Customer Reviews	4.8 4.8 out of 5 stars (654)
Foil Thickness	65 Mils
Grip Size	1 inch
Included Components	1 roll
Item Dimensions L x W x Thickness	1"W
Item Resistance	Basic resistance to common environmental factors
Item Thickness	0.07 Inches
Item Type Name	1x10 Rubb Mastic Tape
Item Weight	0.4 Pounds
Manufacturer	3M Industrial Market Center
Material Type	Rubber
Model	2228-1X10FT
Number of Items	1
Other Special Features of the Product	Fireproof
Part Number	2228-1X10FT
Recommended Uses For Product	Electrical
Size Name	1 in x 10 ft
Surface Recommendation	Concrete
Unit Count	1.0 Count
Upper Temperature Rating	194 Degrees Fahrenheit
Water Resistance Level	Waterproof
Width Range	1 inch

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