How much, as in square inches or feet, of vinyl cushions will one 15 oz tube clean?

Plenty. Like at least the entire car seats of three or four average size cars.

After applying the cleaner ,should it be rinsed off ?

Yes, in most cases. Per their website: APPLICATION: 1. Apply SEM Soap to a gray scuff pad 2. Scrub panel thoroughly until surface is clean and finish is dull 3. Rinse with water. Note: When cleaning leather or vinyl, do not rinse with water. Instead, wipe away SEM Soap with a clean, damp towel to remove all residue. Allow to fully dry then repair or refinish according to manufacturer’s instructions

this type of soap was recommended to clean the plastic in a car. Better than dish soap. true???

I have always had good luck using Dawn dish soap for cleaning, except maybe for unwanted excess sudsing. However when I had to refinish my vinyl boat cushions using the SEM vinyl paint, I called SEM in South Carolina. They said the reason to use their soap over regular dish soap to pre-clean the vinyl was because it left no residue. Apparently, with added ingredients, dish soap does. And obviously any residue will prevent the paint from adhering properly.

Would this product work well to clean vinyl that's become tacky due to age?

Maybe. Mine was dirty, but not tacky. This recoating system worked excellently. Two years and boat seats still look like new.

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SEM Soap - 15oz

Product ID: 9372933

Details

Brand
SEM
Material
Plastic
Item Weight
6.4 ounces
UPC
100069772600
Global Trade Identification Number

🌊foaming action for deep clean

🧼15 oz precision prep soap

⚙️mild abrasive formula

€ 69.99

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Description

✨ Prep Like a Pro, Shine Like a Boss 🧼

DEEP CLEAN NO DAMAGE - Foaming action targets body oils and water-soluble grime without harsh effects.
NOT YOUR AVERAGE SOAP - Engineered for prep, not general washing—ensure professional-grade results every time.
CONTAMINANT FREE CONFIDENCE - Unique formula floats and lifts contaminants for effortless removal.
FIRST STEP TO FLAWLESS FINISH - Mild abrasive cleaner preps vinyl, leather, and plastic for perfect refinishing.
TAILORED FOR FLEXIBLE SURFACES - Specifically designed for automotive vinyl, plastic, and leather materials.

SEM 39362 Prep Soap is a 15 oz mild abrasive cleaner designed as the essential first step in automotive refinishing. It effectively removes oils and contaminants from vinyl, plastic, and leather surfaces with a foaming action that ensures a pristine base for flawless refinishing results.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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€ 69.99

Duties & taxes included

In stock

Sold byAmazon SpainDelivered 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 Spain.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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Manufacturer	SEM
Model	39362
Product Dimensions	5.2 x 2.7 x 2.7 inches
Item model number	39362
Is Discontinued By Manufacturer	No
Manufacturer Part Number	39362

SEM Soap - 15oz

Details

Details

Description

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Common Questions