powder coating for bicycle frames

Introduction This series of product also call weatherability powder coating or outdoor type powder coating, that is mainly made of saturated polyester resin and curing agent. It has excellent performance in high-intensity ultraviolet ray and high moisture environment, good physical and mechanical property, outstanding temperature resistance and chemical resistance. Series 1. Standard curing (200/10min)and lower temperature curing is available. 2. Made to various of gloss and color: high gloss (Above 86º), flat gloss (50 85º), semi gloss (10 49º)and no gloss (below 10º), gloss and color of product is made according to clients requirement. 3. Various kinds of art texture products are available, such as sandy, wrinkle, hammer tone, metal effect, etc. 4. Special standard of product is available according to clients’ requirement, e.g.: RoHS Standard, ASTM963 Standard, etc. Application This type of product specially designed for the outdoor metalwork that require good performance in the environment of high-intensity ultraviolet ray and high moisture, such as construction molding, advertisement board, outdoor metal furniture, lamp pile and fence in highway, etc. Physical Property Proportion: 1.4-1.8(varies with different color and gloss) Density distribution: average particle size is 30 38um, adjusted as clients required. Performance of Coating Film Testing Items Standards and Methods Result Impact strength test GB/T1732-1993 50 Adhesion(cross-cut) GB/T9286-1998 Class 0 Bend test GB/T6742-1986 2mm Pencil hardness GB/T6739-1996 1H-2H Salt spray test GB/T1771-1991 >500 hours Humid heat test GB/T1740-1979 >1000 hours, gloss slight loss Weatherability test Acceleration light aging test QUV-B13,240h (60*8hUV,50*4h condensation) Gloss intention rate≥80% Notation: 1. All above tests are using 0.35mm cold rolling sheet. The thickness of film is 50-80um. 2. Performance of film may slightly decrease with decreasing in gloss.