Plastic Bathroom Stool / Portable Folding Stool Mold — Product Introduction (Motek Furniture Mold Series)
Plastic Bathroom Stool / Portable Folding Stool Mold — Product Introduction (Motek Furniture Mold Series)
Product Positioning
Motek introduces dedicated injection mold solutions for bathroom portable folding stools. These products are designed around water resistance, anti-slip safety, and foldable storage—balancing bathroom washing assistance, elderly/children bathing safety, temporary extra seating, and outdoor portability. Compared with standard household folding stools, the core challenges of bathroom folding stool molds lie in anti-slip foot pad structures on wet slippery floors, material hydrolysis resistance in long-term humid environments, and hinge durability under frequent water exposure. Motek configures dedicated solutions around anti-slip foot pad forming, hydrolysis-resistant material adaptation, and hinge structure design, helping customers achieve stable mass production of bathroom folding stools.
Core Specifications
| Item | Specification |
|---|---|
| Applicable Plastics | PP (copolymer, hydrolysis-resistant, good toughness, preferred for bathroom scenarios) / HDPE (high rigidity, moisture-resistant) |
| Mold Material | P20 / 718H / NAK80 for cavity and core; 718H / 2316 with nitriding recommended for hinge area inserts; polished or nitrided cavity surfaces for rust prevention |
| Number of Cavities | 1×1 primarily; 1×2 evaluable for small folding stools |
| Mold Life | 300,000–800,000 shots (depending on steel selection and maintenance) |
| Cycle Time | 25–45 seconds (depending on stool size and cooling design) |
| Mold Base Standard | LKM / HASCO / DME or customer-specified |
| Runner System | Hot runner recommended (reduces cold slugs and stress) / Cold runner optional |
| Ejection Method | Ejector pins + stripper plate composite ejection; air-blow assistance for deep-cavity legs |
| Anti-Slip Design | Foot pad mounting positions/anti-slip textures integrally formed, adapting to wet bathroom floors |
| Folding Structure | Integrally formed thin-film hinge/hinge bridge, unfolded locking snap-fits integrally formed |
Product Features
Anti-Slip Foot Pad Structures for Wet Slippery Floors.
Bathroom floors are wet and slippery, making stool anti-slip performance directly related to user safety. Motek forms anti-slip foot pad mounting positions at the leg bottoms, accommodating rubber or TPE anti-slip pads to increase friction coefficient and prevent stool sliding. Foot pad mounting position dimensions receive dedicated tolerance control, ensuring tight fit without detachment after pad insertion. For models without separate foot pads, anti-slip textures (grid/protrusion/annular groove patterns) can be formed directly at the leg bottoms to enhance grip on wet slippery floors.
Material Hydrolysis Resistance in Long-Term Humid Environments.
Bathroom environments are persistently humid, and standard PP may undergo hydrolysis degradation under long-term water immersion. Motek confirms hydrolysis-resistant PP grades (or HDPE) with customers during material selection, and considers shrinkage rate differences of modified materials in cavity dimension calculations. Cavity surfaces receive polishing or nitriding rust prevention treatment, ensuring the mold does not rust in long-term humid workshop environments. Stool body structures avoid water accumulation dead corners, with all corners and rib roots rounded for drainage and cleaning.
Hinge Durability Under Frequent Water Exposure.
Bathroom folding stool hinges must withstand both frequent opening/closing and humid environments. Motek integrally forms thin-film hinge structures in the mold, using gradual wall thickness design and localized thinning at hinge areas to distribute folding stress. Hinge area steel uses tough 718H or 2316 with nitriding treatment, balancing forming precision, wear resistance, and corrosion resistance. Hinge cross-section dimensions are confirmed with customers based on opening cycle requirements and material characteristics, ensuring hinges do not become brittle or loose after long-term use.
Reliability Design of the Unfolded Locking Structure.
Foldable stools require locking via snap-fits, slot-in features, or support structures after unfolding to maintain a flat and stable seat. Motek integrally forms locking snap-fits and support positioning structures in the mold, applying dedicated tolerance control to snap-fit dimensions, slot-in depth, and locking angles, ensuring secure locking without loosening after unfolding while maintaining smooth unlocking operation during folding. Locking structures are verified through repeated open-close cycles to prevent locking force degradation from wear or scale accumulation.
Seat Anti-Slip and Drainage Design.
Bathroom stool seats require anti-slip and drainage functionality. Motek forms anti-slip textures and drainage holes/channels directly in the cavity, with texture depth and drainage hole spacing design-verified to balance slip resistance, drainage efficiency, and cleaning convenience. Seat edges are rounded to prevent injury from collisions. Drainage hole edges are chamfered to prevent water accumulation.
Lightweight and Portable Design.
Bathroom folding stools must balance portability with load-bearing capacity. Motek determines reasonable wall thickness distribution through mold flow analysis, arranging reinforcement ribs at leg and seat load-bearing areas, with rib thickness controlled at 50%–60% of main wall thickness to enhance rigidity while avoiding sink marks on appearance surfaces. Folded volume is reduced for easy bathroom storage and outdoor carrying.
Applications
Motek plastic bathroom stool / portable folding stool molds are suitable for:
- Bathroom washing assistance folding stools
- Elderly/children bathing safety folding stools
- Outdoor portable folding stools (camping, picnics)
- Small-unit/rental apartment bathroom foldable extra seating
- Hot spring/poolside portable folding stools
Service Process
After the customer provides 3D product drawings, folding structure plans, anti-slip requirements, and load-bearing requirements, Motek completes mold flow analysis (including hinge area filling evaluation, anti-slip foot pad mounting position verification, and folding dimension compensation) and mold structure confirmation; cavity steel and hot runner systems are procured according to agreed specifications; progress and key milestones are regularly reported during processing. During trial molding, emphasis is placed on verifying anti-slip foot pad fit, folding/unfolding action smoothness, locking structure reliability, and drainage effectiveness, with samples provided for confirmation. Before shipment, molds undergo anti-rust treatment and action testing, with water circuit diagrams, hot runner wiring diagrams, consumable parts lists, and hinge maintenance notes provided. Technical support is available during the warranty period, with lifetime maintenance consultation.
Motek — From household foldable small stools to bathroom anti-slip folding stools, providing reliable mold solutions for injection molding and folding functionality of humid-environment seating.
