I. Product Overview

This electrical appliance features an integrated protective inner shell made of high-strength flame-retardant engineering plastic, formed by precise injection molding. It is specifically designed for hollow containment cavities for various small high-voltage components and electrical control modules, allowing for complete packaging of internal coils, circuit boards, terminal blocks, and other electrical parts; the internal limiting card slots securely fix the components, preventing movement and impact during equipment vibration, thus avoiding wire pulling and contact loose connection failures.

Integrated side wall extended hollow cylinder sleeve, power cables and high-voltage harnesses can be smoothly passed through the tube, ensuring neat wiring while preventing wire damage and leakage;Reserved multiple screw hole installations and outer wall clip structures, which can both securely fasten the inner shell to the whole machine base and tightly lock with the external shell, offering excellent chamber airtightness to block dust and moisture intrusion, eliminating the risk of damp short-circuit. The base material has self-extinguishing insulation properties, and components will not soften or deform under working heat, can extinguish itself upon contact with open flame, ensuring a higher safety factor.

The cavity size, sleeve arrangement, and clip style can be adjusted according to the shape of internal components, supporting 1:1 physical replica mold making. After injection molding, each piece is checked for appearance and assembly fit, and only those without shrinkage, warping, or cracking issues can be stored for bulk shipment.

Chapter Two: Core Highlights of Craftsmanship

1. One-step injection molding, complete forming, sturdy structure, excellent sealing.
   All cavities, routing posts, screw posts, and clips are molded in one shot, with no joint gaps, excellent dust and moisture-proof performance, and it is difficult for moisture and vapor to seep into the interior of the cavity.
2. Inner wall reinforced with ribs, resistant to falls and pressure, and difficult to deform and crack.
   Full-range rib reinforcement shell wall thickness, not easy to crack and deform under drop and extrusion conditions, with strong structural stability for long-term use.
3. Specialty harness guide tubes, protecting wires against wear and leakage
   Hollow columns with smooth inner walls ensure that cable bundles pass without damaging the insulation with sharp edges, making the wiring of high-voltage cable bundles safer.
4. Fire-retardant high-temperature-resistant base material, electrical safety in use is guaranteed.
   PA66 reinforced flame-retardant material can withstand the normal temperature rise of components, has UL flame-retardant rating, effectively avoiding the fire hazard of electrical appliances.

Section 3: Optional Customizable Raw Materials

1. Flame-retardant reinforced PA66 Nylon (Recommended)
   Toughness, heat resistance, and flame retardancy balanced;Shock resistance，Impact resistance，is the preferred material for most small household appliance electric control shells.
2. PBT engineering plastic
   Higher thermal resistance grade, specifically for high-pressure continuous heating component cavities.
3. ABS Plastic
   Fine texture and high cost-performance, commonly used for indoor normal temperature and dry equipment with ordinary protective shell.

4. Optional Surface Treatment Processes

Shell appearance: Standard black matte finish, available for custom glossy and sandpaper textures; colors such as white, gray, and beige can be produced upon request.

Chapter 5: Applicable Application Scenarios

✅ Pulse ignition kit for gas stove, complete with built-in components and inner shell
✅ Negative ion, ozone generator high-voltage insulation protective cavity
✅ Protection shell for small pump, micro motor stator lining
✅ Hair clipper, handheld small appliance main control circuit board installation housing
✅ Temperature Control Instruments, Internal Insulation and Dustproof Lining for Small Industrial Control Modules

Six, Core Product Advantages

1. Cavity size, routing column quantity, and installation points can be modified as required to fit various accessories.
2. Storage fixing + wiring guidance + insulation and dustproof + shockproof and collision-proof multifunctional integrated design
3. Fire-retardant insulating plastic base material, used safely and compliantly in the internal components of high and low voltage electrical appliances
4. Excellent resilience, vibration and drop resistance, durable for long-term use without easy damage
5. Support for small-batch new product trial fitting verification, sufficient mass injection capacity, and stable delivery schedule with control

Section 7: Common Procurement FAQs Q&A

Q1: Can it be separated into two independent cavities internally?
A: Yes, it can be reinforced with partitions inside the shell to create separate, independent storage spaces.
Q2: Which material is more durable for high-pressure components with long-term high temperature?
A: Preferably use PBT high-temperature resistant flame-retardant plastic for better thermal and insulation durability.
Q3: Can the casing be removed to create a fully enclosed, non-outlet structure?
A: Fully supportive, can customize the removal of wire posts, clips, and screw posts as required.
Q4: Can the wall thickness of the shell be increased to enhance its compressive strength?
A: Wall thickness of 1.2mm to 3.5mm can be adjusted as required; the thicker the wall, the stronger the pressure and impact resistance.