Resin Keychains

Product Overview

Custom resin keychains function as durable promotional giveaways, retail merchandise, and corporate tokens for global brands, event organizers, and IP creators. As an experienced OEM/ODM manufacturer, we specialize in bulk liquid resin casting and controlled-environment curing to deliver seamless multi-layer visuals, metallic foils, custom logos, and 3D suspended elements.

Our production facility operates dedicated polymer casting lines equipped with industrial vacuum degassing chambers (<= -0.1 MPa) to eliminate micro-bubbles, achieving optical-grade transparency. Available in rigid epoxy or semi-finished UV formulations, each custom resin keychain undergoes precision edge trimming and manual polishing to ensure high impact resistance and a flawless tactile finish.

Ocean Theme Resin Keychain

Transport your customers to the coast with our vibrant Ocean Theme Resin Keychain collection. As an expert in marine-inspired accessories since 2015, Shengteng Accessories has perfected the...

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Monochrome Resin Key Ring

For the modern consumer who values "Less is More," our Monochrome Resin Key Ring is the perfect accessory. This designer-led collection focuses on a minimalist aesthetic, utilizing a striking...

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Bespoke Resin Keychain

Unlock the power of personalization with our Bespoke Resin Keychain service. In today’s market, consumers crave items that tell their story, and our customization department is here to make that...

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Skull Shaped Resin Key Ring

For those who embrace the bold and the edgy, our Skull Shaped Resin Key Ring is a standout accessory. This collection is the perfect representative of our "Punk and Goth" series, featuring...

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Shimmery Resin Keychain

Add a touch of dazzle to your product line with our Shimmery Resin Keychain. This is one of our most playful and interactive products, featuring high-quality sequins embedded in a clear resin casing.

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Handcrafted Resin Key Ring

At Shengteng Accessories, our Handcrafted Resin Key Ring collection represents the soul of our 10-year journey in craftsmanship. While we utilize automated injection for efficiency, it is the...

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Creative Art Resin Keychain

Push the boundaries of accessory design with our Creative Art Resin Keychain. This collection is a playground for our R&D team, featuring avant-garde designs, abstract shapes, and "Mixed Media"...

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Memorial Resin Photo Keychain

Keep memories close at hand with our Memorial Resin Photo Keychain. This emotional and high-value product is a specialty of our customization department, utilizing ultra-clear epoxy resin to...

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Initial Letter Resin Keychain

Personalization meets playful design with our Initial Letter Resin Keychain. This collection is a perennial top-seller, featuring alphabet letters filled with various materials like dried flowers,...

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Beach Resin Keychain

Shengteng Jewelry Co., Ltd. has been specializing in resin accessories since 2015, and the Beach Resin Keychain is a classic product in our ocean-themed collection. Our company operates a...

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Black and White Resin Keychain

We have served over 500 overseas clients. We worked with the KT brand. We own many utility patents. More than 80% of our customers buy from us again. Many agents pick our product because our two...

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Resin Personalized Keychain

The typical size of our products ranges from 3 to 6 cm. Anything larger than 6 cm can become heavy, but we can still make it. The material consists of resin and a metal keyring. The resin...

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Key Features

Optical-Grade Clarity: Processed in dust-controlled mixing rooms using vacuum degassing to eliminate entrapped air, ensuring high transparency and light refraction.

Anti-Yellowing Stabilization: Formulated with cycloaliphatic epoxy matrices and Hindered Amine Light Stabilizers (HALS) to resist solar UV degradation and maintain color stability over 2+ years.

Precision Edge Processing: CNC profile cutting paired with manual diamond wheel polishing removes sharp burrs, delivering a smooth, rounded edge profile.

Secure Hardware Anchorage: Embedded stainless steel eyelets withstand pull forces exceeding 45 N, preventing hardware detachment under heavy daily friction.

Multi-Layer Embedding: Supports precision positioning of printed PVC inserts, metallic nameplates, or liquid quicksand matrices without layer shifting during curing.

Product Types

Type	Material Composition	Structural Characteristic	Primary Application
Solid Clear Resin Keychain	Two-part epoxy resin matrix	High structural rigidity, dual-side visible transparency	Corporate logo tokens, minimalist brand merchandise
Liquid Floating QuickSand Keychain	Rigid resin shell + purified mineral oil / glitter fill	Dynamic internal motion, multi-layer depth illusion	Anime, gaming IP fan merchandise, toy accessories
Opaque Pigmented Keychain	Epoxy resin + industrial color paste / metallic powder	Solid or marble-effect coloring, high scratch concealment	Heavy-use promotional giveaways, fashion accessories
Glow-in-the-Dark Keychain	Resin blended with strontium aluminate phosphors	Emits luminous green/blue glow after light charging	Night events, outdoor gear brands, novelty items

Technical Specifications

Specification Item	Standard Parameter Range	Testing / Verification Method
Base Polymer	Modified Epoxy Resin / UV-Cured Acrylic Resin	Material Safety Data Sheet (MSDS) verified
Standard Thickness	3.0 mm to 8.0 mm (+/- 0.2 mm tolerance)	Digital Vernier Caliper measurement
Shore Hardness	Shore D 82 - 85 (Fully cured state)	ASTM D2240 Durometer test
UV Resistance / Anti-Yellowing	Grade 4 - 5 (QUV Accelerated Weathering Test, 500 hours)	ASTM G154 Xenon arc exposure
Hardware Material	Zinc Alloy, 304 Stainless Steel, Iron split ring (25 mm dia.)	Spectral Analysis for corrosion resistance
Hardware Tensile Strength	>= 45 N pull-off resistance	Electronic Tensile Tester
Surface Finish	High-gloss diamond polished, matte satin, domed convex	Visual inspection under 5000K LED inspection light

Applications

Corporate Branding & Trade Shows: Customized logo tokens distributed at international exhibitions, product launches, and client appreciation programs.

IP & Retail Merchandise: Fan-base collectibles for anime, video game characters, and independent artists featuring multi-layer graphic embedding.

Hospitality & Tourism: Durable souvenir keychains for hotels, theme parks, and regional tourist boards resistant to moisture and surface friction.

Automotive & Industrial Tagging: Key markers and asset tags for fleet management or dealership promotional handouts.

OEM & ODM Customization

We provide comprehensive custom manufacturing aligned with your engineering drawings and brand guidelines.

Dimensional & Mold Customization: Custom silicone mold fabrication based on 2D vector files (.ai, .cdr, .pdf) or 3D CAD models (.step, .iges). Custom outlines and depths are fully supported.

Color Matching: Pantone C (PMS) and CMYK color matching for internal graphic inserts, metallic foils, and translucent resin color tints.

Embedding Options:
Full-color offset or UV-printed paper/PVC cards sealed inside the resin layer.
Laser-engraved brass nameplates or suspended glitter matrix.

Hardware Selection: Wide selection of split rings, ball chains, lobster clasps, and screw eyes in nickel-free electroplated finishes (Gold, Silver, Gunmetal, Rose Gold, Antique Bronze).

Prototyping Workflow:
1.Engineering review & DFM feedback within 24 hours.
2.Physical sample production with photo/video verification in 5-7 business days.
3.Bulk production initiated strictly upon client sample sign-off.

Quality Control

Quality is managed strictly across four production milestones to ensure consistency from pilot run to bulk shipment:

Raw Material Inspection

Incoming epoxy resins, hardeners, and colorants undergo batch testing for viscosity, density, and volatile organic compound (VOC) limits.

Curing Parameter Control

Temperature-regulated heating chambers ensure complete polymer cross-linking, preventing residual softness or internal stress cracking.

In-Process Dimensional & Visual Check

100% visual screening for surface bubbles, dust inclusions, and mold mismatch lines. Caliper checks on thickness and perimeter tolerances.

Final Functional Audit

Random sampling per AQL 2.5 standard for drop impact resistance, hardware pull strength, salt spray corrosion test on metal rings, and packaging security.

Packaging & Shipping

Standard Export Packaging

Each keychain is individually packed in an anti-scratch OPP bag, organized in reinforced corrugated master cartons with shock-absorbing EPE foam dividers to prevent transit friction.

Retail-Ready Options

Custom backing cards (kraft paper or coated art paper with hanging holes), blister packs, velvet pouches, or branded gift boxes available upon request.

Logistics Support

Flexible shipping terms including FOB, CIF, DDP, and DDU via air express (DHL/FedEx/UPS for samples and urgent batches) or ocean/rail freight for bulk container volumes. Palletized loading provided for secure warehouse transfer.

Frequently Asked Questions

Q: What is the minimum order quantity (MOQ) for custom resin keychains?

A: Our standard MOQ is 500 pieces per design/colorway to cover custom mold setup and raw material mixing. Lower quantities can be negotiated for sample runs or initial test marketing.

Q: How do you prevent resin keychains from turning yellow over time?

A: We utilize high-purity cycloaliphatic epoxy resins combined with Hindered Amine Light Stabilizers (HALS) and UV absorbers. This formulation delays UV degradation, passing standard QUV accelerated weathering tests equivalent to over 2 years of direct sunlight.

Q: What file formats are required for custom shape and printing?

A: Please provide vector files in Adobe Illustrator (.ai), CorelDraw (.cdr), or PDF with outlined fonts for cutting outlines. For printed inserts inside the resin, high-resolution CMYK files at 300 dpi are required.

Q: Can the keychains pass international safety regulations (e.g., REACH, RoHS)?

A: Yes. Our raw materials are certified free of restricted phthalates, heavy metals (such as lead and cadmium), and toxic plasticizers, complying with EU REACH and US Proposition 65 standards. Test reports are available upon request.

Q: What is the typical lead time for sampling and mass production?

A: Custom sample production takes 5-7 business days. Bulk production typically requires 12-18 business days, depending on order quantity and packaging complexity.

Request a Quote

Submit your specifications to our engineering team for a detailed quotation and DFM analysis within 24 hours.
Required Information for Fast Quotation:
Design file or concept drawing (Vector format preferred)
Target dimensions (Length, width, and thickness)
Estimated order quantity (MOQ starts at 500 pcs)
Hardware preferences (Ring type, color, attachment style)

With abundant experience, we are one of the most professional resin keychains manufacturers and suppliers in China. We warmly welcome you to wholesale customized resin keychains at competitive price from our factory. For free sample, contact us now.

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