Flat Medium-Sand Back Cover

Flat Medium-Sand Back Cover

Details
Modern merchandise extends far beyond simple pin badges, and our Flat Medium-Sand Back Cover is specifically engineered to cater to the growing market of adhesive-backed accessories, pocket mirrors, and phone grips.
Category
Round Bottom Cover
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Description
Technical Parameters

Modern merchandise extends far beyond simple pin badges, and our Flat Medium-Sand Back Cover is specifically engineered to cater to the growing market of adhesive-backed accessories, pocket mirrors, and phone grips. Unlike traditional curved or pinned backings, this Flat Medium-Sand Back Cover features a completely flat profile combined with a premium medium-sand textured finish. This flat design provides the perfect, level surface area for applying double-sided adhesive tapes, magnetic sheets, or suction cups, ensuring a solid, gap-free bond that will not peel off under tension. Produced in our 1,800-square-meter state-of-the-art facility, we utilize precision flat-stamping molds on our high-speed punching machines to guarantee absolute flatness across the entire backing surface, with zero warping or edge raising. The medium-sand finish adds a sophisticated matte texture that not only hides minor surface scratches but also enhances adhesive adhesion by providing a micro-textured surface area. For B2B buyers, gift wholesalers, and DIY accessory brands, our flat backing provides the ultimate structural canvas to expand your product lines into premium phone sockets, compact mirrors, and creative stationery items.

 

Direct sourcing from our factory provides your business with an unbeatable supply chain advantage, backed by our monthly production capacity of 100 million PCS. Throughout our 2 years of operation, we have maintained a strict zero-compromise approach to quality, drawing on our experience with major domestic brands like Gree to establish a comprehensive quality control system that adheres to both national and enterprise standards. Every Flat Medium-Sand Back Cover undergoes a 100% manual inspection before packaging to ensure perfect flatness and flawless finish. Our on-site R&D team provides full OEM/ODM support, allowing you to customize diameters, thicknesses, and flat profiles, with custom prototyping completed within 25 to 35 working days. We support flexible shipping terms, including EXW, FOB, and DDP, to streamline your global logistics, alongside negotiable payment terms (such as 30% deposit and 70% balance). With our dedicated representatives providing real-time production photos and videos, you will experience a completely transparent, professional, and stress-free procurement process.

 

Technical Specifications

 

 

Material Heavy-gauge SPTE steel with flattened profile
Finish Type Medium-matte sand-blasted texture (increases glue/tape surface adhesion)
Thickness 0.25mm to 0.30mm (Engineered to prevent bending or warping)
Standard Diameters 32mm, 44mm, 58mm, 75mm
Flatness Tolerance Held strictly to ±0.05mm across the entire surface

 

Applications

 

 

  • Backing plates for pocket-size compact makeup mirrors
  • Flat mounting surfaces for phone socket stands and ring grips
  • Adhesive magnetic whiteboards and premium flat refrigerator magnets
  • DIY jewelry backings, flat-lay pin accessories, and creative stationary crafts

 

Customization Capabilities

 

 

ODM/OEM Engineering

Custom diameter adjustments and flat stamping mold development within 25 to 35 working days.

 

Material Alternatives

Available in lightweight aluminum, heavy steel, or rust-resistant copper alloys.

 

Thickness Options

Custom thickness options ranging from thin 0.20mm plates to rigid 0.40mm backings.

 

 

Packaging & Shipping

 

 

Packaging Standard

Bulk flat-stacked with protective interleaving paper to prevent surface abrasion during container transit.

Logistics Delivery

EXW, FOB, and DDP trade terms fully supported with professional cargo clearance.

Turnaround Times

Fast production schedules backed by our extensive machine capacity to guarantee on-time deliveries.

 

FAQ

 

 

Q: How does the flatness tolerance affect the adhesion of double-sided tapes?

A: If a backing is even slightly curved, the adhesive tape will lift at the edges over time. Our strict ±0.05mm flatness tolerance ensures 100% surface contact, creating a permanent, gap-free bond.

Q: Can you apply a custom adhesive tape layer directly to the backings at your factory?

A: Yes. We can pre-apply high-strength custom double-sided adhesive liners or magnetic tape. Our R&D team can develop the exact assembly prototype within 25 to 35 working days.

Q: Is it possible to combine standard flat backings and customized flat sizes in one shipment?

A: Yes. We support mixing standard and custom flat sizes within our flexible MOQ guidelines to help you expand your product lines efficiently.

 

 

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