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fully-sealed-waterproof-case which is cheap: Buyer's Guide, Decision Framework, Common Mistakes | KeXinMaterials

fully-sealed-waterproof-case which is cheap from KeXinMaterials source factory. OEM/ODM, wholesale, factory-direct pricing. 9 WL series sizes WL1204-WL5020, IP67/MIL-STD-810H certified, MOQ 100, 12h quote, 25-day delivery to 47 countries.

fully-sealed-waterproof-case which is cheap Selection: A Buyer's Decision Framework

Choosing fully-sealed-waterproof-case which is cheap for the first time is harder than it looks. We have seen buyers overspend 2x by over-specifying size, and underspend by skipping certifications. This page is the decision framework.

The WL Series: 9 Standard Sizes for fully-sealed-waterproof-case which is cheap

For your reference, here are the WL series models we typically use for fully-sealed-waterproof-case which is cheap applications. Outer dimensions (OD) are measured to the outside of the case; inner dimensions (ID) reflect the usable cavity after subtracting wall thickness. All in millimeters; imperial dimensions in our catalog PDF.

ModelOuter (mm)Inner (mm)Weight (g)MaterialSize Class
WL1204 120×90×40 mm 115×78×32 mm 100 g PP Phone / Wallet
WL2005 195×170×46 mm 190×135×40 mm 175 g PP Action Camera / GoPro
WL5020 500×400×200 mm 480×360×185 mm 2400 g PP Kayak / Fishing Gear

The most common model for "fully-sealed-waterproof-case which is cheap" buyers is the WL1204 (120×90×40 mm OD, 100 g empty weight, PP body).

Why Foam Density Matters for fully-sealed-waterproof-case which is cheap

Cheap protective cases use 15 kg/m³ foam that bottoms out after 6 months. Our fully-sealed-waterproof-case which is cheap uses 25 kg/m³ foam rated for 5+ year use. The difference is in the cell structure: 25 kg/m³ cells rebound after compression, 15 kg/m³ cells do not. We have tested both. The cheaper foam fails.

The shell is rated IP68 (submersible 5m / 30 min) ingress protection and validated to MIL-STD-810H Method 516.8 (26 drops at 2.0m). Temperature range is -30 ~ +80 °C. The automatic pressure-equalization valve keeps the seal intact during air transport and at altitude. Latch is a double-throw design rated for 5,000 open/close cycles. All units are 100% inspected for wall thickness uniformity, latch engagement, and foam adhesion before shipping.

fully-sealed-waterproof-case which is cheap: Buyer Profiles Since 2014

Our fully-sealed-waterproof-case which is cheap buyers in 2024 include: 35% camera operators / filmmakers, 25% drone pilots / commercial UAS, 15% broadcast / TV stations, 10% military / law enforcement, 10% medical / first responders, 5% industrial / OEM. Profile data from 2024 buyer survey.

fully-sealed-waterproof-case which is cheap Selection: Per-Profile Recommendations

For fully-sealed-waterproof-case which is cheap: filmmakers should prioritize WL2808-WL5020 with custom foam. Drone operators: WL2005-WL2808 with battery cavities. Broadcast: WL3812-WL5020 with monitor + cable management. Military: WL3812-WL5020 with PP+GF and IP67. Medical: WL1504-WL2808 with anti-microbial foam.

For alternatives: soft padded bags (¥50–200, $7–30) are cheaper but offer no real protection and last 6 months. Aluminum hard cases ($80–300) are heavier, prone to denting, and 2–4× the price. Carbon fiber cases ($300+) are overkill for 95% of B2B use cases. Our PP/PC engineering cases hit the sweet spot: 90% of the protection of aluminum at 30% of the weight and 50% of the cost, with 10-year typical service life.

fully-sealed-waterproof-case which is cheap After-Sales Support

After fully-sealed-waterproof-case which is cheap ships: (1) We send QC photos before shipment. (2) Lot certificate with serial numbers. (3) 90-day defect replacement. (4) Foam re-cut service for equipment changes. (5) 5-year case body warranty. (6) Tooling stored 3 years for easy reorder.

Why Choose KeXinMaterials

We have answered these questions 10,000+ times since 2014. This page is the consolidated version.

Key Specifications

Ingress Protection
IP68 (submersible 5m / 30 min)
Drop Test (MIL-STD-810H)
2.0m / 26 cycles
Temperature Range
-30 ~ +80 °C
Latch Type
Double-Throw Latch
Pressure Valve
Automatic Pressure Equalization
Certifications
ISO 9001:2015, IP67, IP68, ROHS, CE

Why Source Directly from KeXinMaterials

Established 2014. 13,000 sqm factory in Fusha Industrial Park, Zhongshan, Guangdong. 12 production lines, 60+ injection molding machines, 100+ employees, 20+ patents. Monthly capacity 80,000 units. Annual export revenue 8M+ USD to 47 countries.

Direct from the OEM. Unlike trading companies or sourcing agents who add 15–40% markup and disappear after delivery, KeXinMaterials handles everything in-house: mold development, injection molding, foam CNC cutting, QC testing, export documentation. Our 2024 buyer survey showed 87% repeat-order rate and 0.3% defect rate across 47 countries.

Bulk Pricing Reference (FOB Shenzhen)

QuantityUnit PriceDiscountLead TimeSample
50-99 pcsUSD 12.35—20 daysFree (pay shipping)
100-199 pcsUSD 10.925% off25 daysFree (pay shipping)
200-499 pcsUSD 9.5010% off30 daysFree (pay shipping)
500-999 pcsUSD 8.5515% off30 daysFree (pay shipping)
1000+ pcsUSD 7.6020% off35-45 daysFree (pay shipping)

Reference price for WL1204 (120×90×40 mm). Custom sizes, colors, foam add 5–30%. Quote valid 30 days.

Quick Reference Infographic

fully-sealed-waterproof-case which is cheap: Buyer Decision Tree

[ Infographic — generation in progress ]

Visual summary of the key specifications. Print-friendly for buyer reference.

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Frequently Asked Questions

What is the difference between injection molded and blow molded cases?

We use injection molding exclusively — denser walls, tighter tolerances, better IP rating. Blow molding produces hollow cases with thinner walls (1-2mm), cheaper, but not suitable for IP67 or MIL-STD-810H drop test. If a supplier offers 'injection' at 1/3 our price, it is likely blow-molded.

Do you ship to residential addresses?

Yes for DDP and CIF. For FOB or EXW, we ship to a commercial port or address with customs broker. Residential delivery in some regions (EU, USA) requires a local broker to handle customs clearance.

What does fully-sealed-waterproof-case which is cheap mean?

fully-sealed-waterproof-case which is cheap refers to a protective case designed for specific equipment, use case, and buyer profile. In B2B sourcing, it means a factory-direct product with documented specs, certifications, and lead time. KeXinMaterials has supplied fully-sealed-waterproof-case which is cheap to 47 countries since 2014.

How do I choose the right fully-sealed-waterproof-case which is cheap?

Step 1: Define your equipment's outer dimensions (L×W×H in mm). Step 2: Add 5-10mm clearance for foam thickness. Step 3: Match to WL series: WL1204 → WL2005 → WL2808 → WL3812 → WL5020. Step 4: Confirm IP rating (IP65 indoor, IP67/IP68 outdoor/water). Step 5: Send spec for 12h quote.

What are common mistakes when buying fully-sealed-waterproof-case which is cheap?

Top 5 mistakes: (1) Choosing by price alone, ignoring that cheap cases skip IP certification. (2) Over-specifying size — buying WL5020 when WL3812 fits. (3) Ignoring latch type — 200-cycle vs 5,000-cycle. (4) Forgetting pressure valve for air travel. (5) Not requesting lot certificates.

Related Resources

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