Does anyone know which grit to use on an engineered marble sink to remove old mineral stains?

The higher the better. I have used 3000 grit on porcelain and it works great at removing mineral deposits. Do it wet.

Which one works best for resin? and the lower the numbers the more rough paper is? or how does that work. thank you

Yes, the lower the number the more aggressive the sanding. All of these would work fine for resin, it gives you low enough grit to take off material all the way up to 5000 grit for a polished look.

Has anyone used this for polymer clay? if so was there any issues?

I have never used it on this material but see no reason why it wouldn't work. This is some very good and very fine sand paper that has worked on very things that I needed it to do so if you need a good sand paper that will do a good job without leaving any sanding marks this is it.

Can I use this for resin pieces?

I think given the fine paper included. I was smoothing out scratches on stainless steel at 1200 grit I’d start with 2000 for softer materials

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45PCS Sandpaper, Premium Wet Dry Waterproof Sand Paper, 120 to 5000 Assorted Grit Sanding Paper for Wood Furniture Finishing, Metal Sanding and Automotive Polishing, 9 x 3.6 Inches.

Product ID: 204199304

Details

Backing type
Paper
Brand
Atosun
Colour
Assorted
Product dimensions
22.9L x 9.1W
Size
9 x 3.6 inches

💧waterproof silicon carbide

📏9 x 3.6 inch perfect size

🛠️45 versatile grit sheets

$51.39

Duties & taxes included

In stock

Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

✨ Elevate your finish game — flawless surfaces, zero compromises! 🛠️

ERGONOMIC SIZE GRIP - Soft-back 9x3.6 inch sheets fit perfectly in hand for effortless control.
MULTI SURFACE MASTERY - Ideal for wood, metal, plastic, automotive polishing, and craft projects.
ULTIMATE GRIT VARIETY - From coarse 120 to ultra-fine 5000 grit, master every finish with precision.
WATERPROOF DURABILITY - Electro-coated silicon carbide resists tearing and crumbling, wet or dry.
EASY GRIT IDENTIFICATION - Grit numbers printed on the back for quick, hassle-free selection.

This 45-piece sandpaper set features premium waterproof silicon carbide sheets in 15 assorted grits from 120 to 5000, sized at 9 x 3.6 inches. Designed for both wet and dry use, these durable, electro-coated sheets deliver professional-grade sanding and polishing for wood, metal, plastic, and automotive projects, ensuring smooth, precise finishes every time.

Specifications

ASIN	B07KV3VX97
Backing Type	Paper
Best Sellers Rank	550,732 in DIY & Tools ( See Top 100 in DIY & Tools ) 863 in Sanding Paper
Brand	Atosun
Colour	Assorted
Compatible Devices	Sanding Block
Compatible Material	Metal, Plastic, Wood
Customer Reviews	4.6 4.6 out of 5 stars (6,992)
Grit Material Type	Silicon Carbide,Metal
Grit Number	120
Grit Type	Dry, Wet
Item Dimensions	22.9 x 9.1 x 0.2 centimetres
Item Dimensions L x W	22.9L x 9.1W centimetres
Manufacturer	sandpaper
Manufacturer Part Number	CG-162
Material	Silicon Carbide
Model Number	CG-162
Number of Packs	15
Set Name	45pcs
Size Name	9 x 3.6 inches
UPC	634383935002
Unit Count	45 count

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