Overview
White PP sheet is a thermoplastic polymer made from propylene monomers, known for its balance of mechanical properties and cost-effectiveness. It is manufactured through extrusion or calendering processes, resulting in sheets with uniform thickness and surface finish. The material's white pigmentation provides a clean appearance, making it suitable for visible applications in food handling and signage. PP sheets are favored in industries requiring lightweight yet durable materials. Their resistance to moisture and chemicals, coupled with ease of fabrication (e.g., cutting, thermoforming), expands their utility across sectors from construction to healthcare. Recyclability further enhances their appeal in sustainability-focused projects.
Physical and Chemical Properties
White PP sheets exhibit a density range of 0.905–0.92 g/cm³, making them lighter than many competing plastics like PVC or HDPE. The material retains dimensional stability up to 100°C, with a melting point around 160–170°C. Its crystalline structure contributes to high tensile strength (30–40 MPa) and impact resistance. Chemically, PP is inert to most acids, alkalis, and solvents, though it swells in chlorinated hydrocarbons. The white variant often includes titanium dioxide (TiO2) as a pigment, which may slightly alter UV resistance. Electrical insulation properties and low moisture absorption (0.01–0.03%) make it useful in electronic components.
Main Applications
In chemical processing, white PP sheets line tanks and ductwork due to their corrosion resistance. Food-grade versions serve as cutting boards, conveyor surfaces, and packaging trays, complying with FDA regulations. The signage industry utilizes PP for its printability and weather resistance in outdoor displays. Medical and laboratory applications include sterilization trays and protective barriers, where non-porous surfaces are critical. PP sheets also feature in automotive interiors (e.g., trunk liners) and construction (temporary protective coverings). Custom fabrication allows for uses like acid fume hoods or agricultural equipment components.
Safety and Storage
While polypropylene is generally safe, dust from machining requires standard particulate controls. Thermal degradation above 200°C may release volatile compounds, necessitating ventilation during hot-work processes like welding. Food-contact grades must be free of non-compliant additives. Sheets should be stored flat or vertically on racks to prevent warping. Prolonged UV exposure can cause brittleness unless stabilized; indoor storage is recommended for non-UV-resistant grades. Fire safety precautions include keeping sheets away from ignition sources, as PP is flammable (auto-ignition temperature ~350°C).
B2B Procurement Guide
Buyers should specify thickness tolerance (e.g., ±5%), sheet dimensions, and pigmentation consistency. For structural applications, verify flexural modulus (1.5–2 GPa) and impact strength data. UV-stabilized grades command a 10–20% premium but extend outdoor service life. Suppliers often provide samples for quality validation. Bulk orders (palletized) reduce per-unit costs, while just-in-time delivery minimizes storage needs. Certifications like ISO 9001 or REACH compliance documents ensure material traceability. Consider regional availability—PP sheets are commonly stocked in standard sizes (e.g., 4x8 ft) to reduce lead times.
Related Manufacturers
- 主营：pvc板、pe板、聚乙烯板、pp板、聚氯乙烯板、pe隔板、铸石板、pp水箱、铺路板、养猪厂挡板、超高分子聚乙烯板、阻燃pvc板、聚丙烯板、UPE板
- 主营：pvc硬板、超高分子聚乙烯板、pvc板材、pp板、阻燃pvc板、耐风化绝缘pvc板、聚丙烯板
- 主营：[]
- 主营：[]
- 主营：聚乙烯pp板、塑料板材
- 主营：高分子聚乙烯板、尼龙板、PP板、超高分子量聚乙烯板
- 主营：PE板、pph板、加工:pp水箱、pp板、三相分离器、酸洗槽、储罐、喷淋塔等
- 主营：聚乙烯板、聚丙烯板、三合一陶瓷衬板、pp板厂家、尼龙板、HDPE板、聚乙烯垫板、煤仓衬板、超高分子量聚乙烯板
- 主营：pe板、pp管、双股焊条、pp板、全新料焊条、双股三角圆焊条
- 主营：透明板、塑料板、超厚板、耐磨pp板材、耐高温pp板、白色pp板材、阻燃板、增强板、pp防腐板、pp通风管、防腐板材、聚丙烯板、透明片材、聚乙烯板、斜板填料、塑料片材、车厢底板、塑料焊条、塑料焊接、灰色塑料、元聚pe板材、鸡粪输送带、聚丙烯片材、塑料防腐板、耐腐蚀板材
- 主营：绝缘橡胶板、橡胶板、硅胶板、pp板、氟胶板、三防布、pvc软板、橡塑板、防火布、硅酸铝、阻火包、防火包、四氟板、加布胶板、聚氨酯板、吸音棉、防火涂料、防火堵料、玻璃棉板、塑料板条、橡塑保温板、玻璃棉卷毡、环氧树脂板
- 主营：三合一陶瓷复合衬板、氧化铝陶瓷衬板、超高分子量聚乙烯板、食品级白色pp板、聚四氟乙烯板、聚四氟楼梯板5mm、聚乙烯煤仓衬板、聚四氟滑动支座板、压延微晶板、微晶铸石板、氟橡胶板、碳化硅、氧化铝陶瓷贴片、聚乙烯板、碳化硅板、碳化硅研磨管、尼龙板、铸石板、石棉橡胶板、聚氨酯陶瓷衬板、硅胶板、Pp板、Pe板
- 主营：pp塑料板、聚乙烯板、聚丙烯板、pp板、聚氨酯板材、聚丙烯水箱板、pe板、upe板、超高分子量聚乙烯板、铸石板、压延微晶板、微晶铸石板、氧化铝陶瓷衬板、三合一陶瓷衬板、二合一陶瓷衬板
- 主营：HDPE板、UHMWPE板、pvc板、pp板、尼龙异形件、链条导轨、HDPE铺路板、pp水箱、塑料加工件、PP酸洗槽、HDPE异形件、PP异形件
- 主营：尼龙板、铸石板、路基板、铸石衬板、料仓衬板、煤仓衬板、聚乙烯板、耐磨pe板材、压延微晶板、临时铺路板、聚乙烯衬板、道路铺路板、料仓内衬板、钢板铺路板、防滑铺路板、聚乙烯防粘板、煤仓防堵板材、电厂料仓板材、聚乙烯铺路板、抗冲击铺路板、耐磨尼龙衬板、临时路面垫板、含油尼龙衬板、微晶铸石耐磨板、货车卡车垫脚板
- 主营：中空板、吨袋、天地盖围板箱、塑料蜂窝板、PP中空板、防静电中空板、塑料周转箱、围板箱、中空板周转箱、蜂窝板箱、吨包、中空板折叠箱、蜂窝板围板箱、周转箱、汽车零部件围板箱、集装袋、拉筋吨袋、铝箔吨袋、防水吨袋、危废吨袋、污泥吨袋、导电吨袋、固废吨袋、注塑箱、中空板隔板
- 主营：peek板棒材、电木板、尼龙板、PET板材、电木棒、ABS板材、pom板、聚氨酯棒、PVC板棒、PC透明棒、pp塑料板材、亚克力板材
- 主营：超高分子板、高分子聚乙烯板、高分子加工件、白色pp板、链条导轨、聚乙烯板、PP板、pe板、陶瓷衬板、高分子板、车厢滑板、煤仓衬板、支腿垫板、含油mc尼龙板、聚乙烯链条导轨、尼龙加工件、滑块垫块、超高分子聚乙烯板、高分子塑料加工件、尼龙板、高分子板加工、聚乙烯加工件、尼龙棒、聚乙烯滑块、HDPE板
- 主营：路基板、尼龙垫块、聚乙烯板、pp板、塑料水箱、pe复合闸门、尼龙螺纹套、聚乙烯棒材、聚丙烯板材、吊车支腿垫块、聚丙乙烯垫条、聚四氟乙烯板、塑料焊接水箱、螺旋输送机衬板