Heavy Duty Hard Case is an engineered protective case in the protective case family: built by source factory kexinMaterials with IP67 sealing, impact-resistant PP copolymer or rotomolded PE shells and CNC-cut custom foam; wholesale, OEM and export supported.
A protective case is a transport and storage enclosure—typically engineered plastic or metal—for equipment, made by injection, rotational or blow molding, with impact resistance, sealing class and custom foam as the core buying criteria.
Heavy Duty Hard Case: Product & Manufacturer Overview
When sourcing a Heavy Duty Hard Case, verify three things: molding process (injection/rotational), sealing class and interior customization. kexinMaterials offers free selection reviews matched to your equipment and environment.
The kexinMaterials Heavy Duty Hard Case is customizable end to end — tooled sizes, color compounds, logos, foam layouts and hardware — shipped factory-direct from Guangdong at channel-competitive pricing.
Key Specifications
| Material | Modified PP / ABS / PE / glass-fiber reinforced |
|---|---|
| Protection | Splash-resistant up to IP67 |
| Process | Injection / rotational / blow molding |
| Interior | Custom EVA / foam / dividers / empty |
| Customization | Size, color, logo, locks, hardware |
| Supply modes | Stock wholesale / OEM / ODM / export |
| Durability | Seal re-tested at 500 cycles, compression set <25% |
Product Feature Breakdown
Heavy-duty acceptance should test fatigue, not a single ultimate load: Heavy Duty Hard Case warrants combined multi-cycle drop, vibration and thermal testing, tracking gasket compression set (keep under 25%) and latch engagement decay. kexinMaterials publishes seal re-test data after 500 open-close cycles.
How kexinMaterials Compares
| Dimension | kexinMaterials | Generic market cases |
|---|---|---|
| Rating | IP67 standard, IP68 optional | Mostly IP54–IP65 |
| Material | PP/ABS/PE process selection | Single material limited |
| Foam | CNC-cut to shape | Universal dividers |
| MOQ | From 50 pcs, negotiable | Usually 500 pcs |
| Lead time | Stock 7–15 d, production 15–30 d | Unstable |
| Certification | Material/drop/immersion reports | Missing |
Large-format note: cases over 800 mm per side are best rotomolded — seamless walls, high tear resistance — and should add wheels, forklift channels and multi-person handles.
Standards & Industry Data
Military Drop Test (MIL-STD-810H, Method 516.8 Proc. IV)
MIL-STD-810H (8th revision, 2019; 29 test methods) requires transit-drop samples to survive 26 drops from up to 5 ft (1.5 m) onto steel-backed concrete in varied orientations. Versus 810G, the H revision raised drop height from 4 ft to 5 ft and switched to a harder steel-backed surface.
Market Size & Growth
The global industrial protective case market was worth about USD 2.05 billion in 2025 and is projected to reach USD 2.88 billion by 2032 (5.0% CAGR). Military & defense is the largest application (~30%), drone-related cases are the fastest-growing niche, North America is the largest region and APAC grows fastest.
Shell Materials Compared (PP / ABS / PE)
Industry data puts PP (polypropylene) at ~55% of plastic protective-case share — strong chemical resistance, low-temperature toughness and cost efficiency; ABS holds ~30% with harder, glossier surfaces; large thick-wall cases favor rotomolded PE. Plastic/polymer cases together account for 63.7% of the industrial protective case market (2025).
Typical Applications
- Equipment and instrument transport
- Industrial storage and turnover
- Outdoor and specialty environments
- Private label and channel distribution
Product Overview
The kexinMaterials Heavy Duty Hard Case is one-piece molded from engineering plastics, balancing impact strength, sealing and long-term durability — available from stock or fully customized. Key specs below.
On process: the Heavy Duty Hard Case can be injection, rotational or blow molded. Injection gives precise sealing and repeatability; rotomolding yields large seamless shells with thick-wall toughness; blow molding suits light, economical builds. kexinMaterials runs all three lines and matches the process to your protection grade and budget.
For interior protection, the Heavy Duty Hard Case ships with or accepts CNC-cut EVA/PE foam, routed to your equipment's 3D data so nothing shifts in transit; precision instruments can add ESD-safe or cushioned layered structures.
On quality, the Heavy Duty Hard Case passes batch drop, stack and immersion checks; key models can be tested to MIL-STD-810H for drop and vibration, with material and third-party test reports supplied for export and industry acceptance.
Manufacturing Process
Process is matched to the category — injection for precision sealing, rotomolding for large tough builds, blow molding for lightweight economy — with in-house tooling and batch drop/seal inspection.
Field Case Studies
4,000 enclosure cases, PP/ABS selection, tooled to device dimensions with stable mass-production lead times.
6,000 generic protective cases under OEM brand with test reports and steady reorders.
About kexinMaterials
KeXin New Materials (Guangdong) Co., Ltd. (brand: kexinMaterials) is a source factory for engineered plastic cases based in Guangdong, China, operating injection, rotational and blow molding lines with an in-house tool shop. Nine product series serve buyers worldwide — from military and drone cases to medical, photography and business lines.
Why kexinMaterials: factory-direct pricing with no middle-man margin; three molding processes under one roof; in-house tooling for controlled lead times; batch drop and seal testing; factory audits, samples-first and third-party QC all supported.