4mm Thick Stainless Steel sheet 300mm Square Plates with radius corners. these will gave the odd scratch.
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Build Plate PEI Bed For Bambu Lab X1/P1P/P1S Texture Double Sided PEI Spring Steel Sheet For Bamboo Lab 3D Printer Accessories
Aliexpress UK
● Material: 1060 Aluminium. ● Product Thickness: 0.2/0.3/0.4/0.5/0.6/0.8/1/1.2/1.5/2mm.
eBay
Shipping Cold Packs,Ice Pack Sheets Reusable for Coolers Frozen Food Lunch Bag Box,Ice Packs Freezer for Shipping Transport Long
Aliexpress UK
Composition: C:≤0.07%, Si:≤1.0%, Mn:≤2.0%, Cr:17.0~19.0%, Ni:8.0~11.0.
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For Bambulab A1 Mini PEI Build Plate 184x184mm Smooth PEO PET Double Sided Spring Steel Sheet for Bambu Lab A1 Mini Heatbed Part
Aliexpress UK
Mild steel is strong and durable making it ideal for welding. Simply choose your size from the drop down bar option or feel.
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30PCS 5 Inch 8 Hole Sanding Discs Hook and Loop Adhesive Sandpaper 125MM for Random Orbital Sander 400-2000 Grits Abrasive Sheet
Aliexpress UK
It can be used in many different industries such as building and construction, architecture, car styling, agriculture and many more. Material: Stainless Steel 304.
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Tool Box Built-in Black Foam Sheets Pre-cut Inserts Express Device Delivery Anti-fall Packing Pre-cut Foam for Tool Case
Aliexpress UK
Mike then had an idea to put his knowledge of car restoration into a little sales booklet and so Frost Restoration was born. 605 x 980 mm in size. Mild steel is 1449-CR4 grade. This is 0.9 – 1mm thickness.
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30pcs Sanding Discs 5 Inch 8Holes Hook and Loop 125mm Adhesive Sandpaper 60~320 Grits For Random Orbital Sander Abrasive Sheets
Aliexpress UK
CR4 steel is. It is produced by cold-rolling hot-rolled steel at room temperature, followed by annealing and skin-passing to achieve its desired properties.
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200 Sheet Thickened Hand Paper Towels Bathroom Tissue Hotel Restroom Napkins Kitchen Hand Towels Commercial Essential
Aliexpress UK
Material : 201 Stainless Steel. Stainless steel surface undergoes 15-step precision grinding to remove oxide layers, revealing a high-definition, crystal-clear finish. Surface laminated for protection against scratches and wear.
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58x250cm Alpi Sottsass Reconstituted Veneer, Restoration of Furniture and Tabletops, Flexible Engineered Wood Veneer Sheet Roll
Aliexpress UK