Wooden Knobs | Traditional homes, hotels, rustic decor | Janka hardness 1360 lbf (Oak) ▲ vs Industry Standard Pine (870 lbf); moisture resistance (24hr water submersion) | Warm aesthetic, natural texture (ASTM D5264 color consistency) | Requires maintenance in humid areas; may warp over time (ISO 294-1 molding limits) |
Brass Knobs | Luxury hotels, high-end furniture | Corrosion resistance ▲ (ASTM B117: 1000hr salt spray) vs Industry Standard Zinc Alloy (500hr); hardness B70 | Durable, classic look; resists tarnish with polishing (ISO 3801 finish) | Heavy; may require occasional polishing to maintain shine |
Stainless Steel Knobs | Kitchens, bathrooms, commercial spaces | Corrosion resistance ▲ (ASTM A240) vs Industry Standard Carbon Steel (needs coating); scratch resistance 200HV | Low maintenance, modern appeal; resists fingerprints (ISO 294-1 durability) | Cold to touch; fingerprints show prominently |
Acrylic/Resin Knobs | Modern homes, creative designs | Lightweight (1.2g/cm³) ▲ vs Industry Standard Plastic (1.4g/cm³); UV resistance (500hr ASTM D4303) | Customizable colors, easy to clean; sleek finish (ASTM D2424 moisture proof) | Less durable; may crack under extreme force (ISO 3801 impact resistance) |
Steel Knobs (Carbon) | Industrial settings, rustic decor | Tensile strength 500 MPa (ASTM A36) ▲ vs Industry Standard Mild Steel (400 MPa); cost-effective | Strong, affordable; withstands heavy use (ISO 294-1 structural integrity) | Prone to rust without coating; requires protective finish (ASTM D5264) |
Composite Knobs | Mixed-material designs | Multi-layer durability ▲ (ASTM D543 chemical resistance) vs Industry Standard Plastic; customizable shapes | Resists chemicals, versatile designs; blends aesthetics and function | Higher cost; complex manufacturing limits mass production (ISO 294-1 scalability) |