Dustproof Roto Case is an engineered protective case in the rotomolded 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 rotomolded case is produced by rotational molding with seamless walls and high toughness, built for heavy-duty transport of large equipment, spares and hazmat with strong impact and stacking resistance.
Dustproof Roto Case: Product & Manufacturer Overview
Rotomolded or injection for your Dustproof Roto Case? A quick rule: above 800 mm per side or facing brutal handling, choose rotomolding (seamless, tear-resistant); for complex geometry and tight sealing on small-to-mid cases, choose injection. kexinMaterials provides free process selection reviews.
Material sets the floor of case performance. kexinMaterials works with modified PP, rotational-grade LLDPE and glass-fiber-reinforced compounds, tuning UV, flame-retardant, anti-static and cold-impact properties to the service environment of your Dustproof Roto Case, with test reports supplied.
Key Specifications
| Injection molding | High precision and finish for sealed mid/small cases |
|---|---|
| Rotational molding | Seamless, ultra-tough, for large transit cases |
| Blow molding | Lightweight, low cost, for tool boxes and packaging |
| Materials | Modified PP / ABS / LLDPE / glass-fiber reinforced |
| Tooling | In-house shop, steel and aluminum molds |
| Max part size | 3-meter class via rotomolding |
| Dust rating | IP6X (talc chamber, 2 h under negative pressure) |
Product Feature Breakdown
IP6X on Dustproof Roto Case means total dust exclusion, verified by holding the case under negative pressure in a talc chamber for two hours with no deposit. It hinges on gasket continuity and the flatness of the mating faces; kexinMaterials CNC-trims the parting line to ensure even clamping.
How kexinMaterials Compares
| Dimension | kexinMaterials | Generic market cases |
|---|---|---|
| Wall uniformity | 5–10 mm seamless rotomold, thicker corners | Injection has weld lines, uneven walls |
| Impact | Monolithic toughness, resists cracking | Thin parts snap |
| Tooling cost | ≈1/5–1/10 of injection, great for large cases | Injection molds costly |
| Size range | Large thick-wall (>1 m) is the sweet spot | Large injection cases pricey |
| MOQ | Friendly for small–mid batches | Economical only at volume |
| Use | Airdrop/transit/marine heavy-load roles | Light-load focus otherwise |
Standards & Industry Data
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.
Extreme Temperature Performance
Engineering-grade cases typically operate from -30°C to +80°C (military testing follows MIL-STD-810H Methods 501.7/502.7 for temperature and 503.7 for thermal shock, cycling as wide as -40°C↔+71°C). For cold climates choose PP copolymer or PE shells — standard ABS embrittles at low temperatures.
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.
Typical Applications
- Custom rotomolded transit cases for heavy equipment
- High-seal injection molded instrument cases
- Blow-molded tool box contract manufacturing
- Specialty compound case development
- Full ODM outsourcing for case brands
- Export-spec case re-engineering
Product Overview
The kexinMaterials Dustproof Roto 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 Dustproof Roto 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 Dustproof Roto 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 Dustproof Roto 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
The injection line owns precision and sealing, the rotomolding line owns size and toughness, and the blow molding line owns weight and cost — all sharing one tool shop and QC system, so one supplier covers a multi-process purchasing mix.
Field Case Studies
400 large airdrop transit cases, seamless rotomolded 8 mm walls, intact through repeated landing drops.
1,100 thick-wall shipboard cases, salt-fog and impact resistant, no cracking after two years at sea.
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.