Overview
Plastic microporous plates are engineered laboratory tools designed for precision liquid handling and filtration. They are commonly manufactured from polymers like polystyrene, polypropylene, or PVDF, selected for their chemical inertness and structural stability. These plates feature a grid of microscale pores (typically 0.1–10 μm) that enable controlled passage of fluids while retaining particulates. The standardized 96-well or 384-well formats make them compatible with automated systems in high-throughput screening. Their primary function is to facilitate separation processes in life science research, clinical diagnostics, and pharmaceutical quality control. The plates may be surface-treated to enhance hydrophilicity or reduce non-specific binding for specialized applications.
Physical and Chemical Properties
The material composition determines key characteristics. Polystyrene plates offer optical clarity for absorbance readings, while PVDF provides superior solvent resistance. Pore density ranges from 1×10⁴ to 1×10⁸ pores/cm², with porosity affecting flow rates. Most plates maintain dimensional stability across -20°C to 80°C. Chemical resistance varies by polymer—polypropylene withstands harsh solvents like DMSO, whereas polystyrene is suitable for aqueous solutions. Surface energy modifications (e.g., plasma treatment) can alter wetting properties. The plates exhibit low extractables, minimizing interference with sensitive assays. Mechanical strength prevents deformation during vacuum or pressure filtration processes.
Main Applications
In diagnostic laboratories, these plates are indispensable for ELISA tests, where they serve as solid-phase supports for antibody-antigen binding. Their uniform pore distribution ensures consistent washing and signal detection. Cell culture applications utilize them for sterile media filtration and 3D cell scaffolding. The pharmaceutical industry employs microporous plates for dissolution testing and particulate matter analysis. Environmental labs use them in water quality testing to concentrate microorganisms. Specialized versions with conductive materials enable electrochemical detection methods. High-binding variants are optimized for protein immobilization in proteomics research.
Safety and Storage
While generally non-hazardous, plates should be handled with gloves to prevent contamination. Some solvent-resistant variants may release vapors when exposed to aggressive chemicals—use in fume hoods if processing volatile compounds. Autoclave sterilization is possible for certain materials (verify manufacturer specifications). Store plates in original packaging to prevent dust accumulation in pores. Avoid stacking heavy items on unprotected plates to maintain pore integrity. For long-term storage (>6 months), seal with desiccant packs in moisture-proof bags. Disposal typically follows standard plastic waste protocols unless contaminated with biohazardous materials.
B2B Procurement Guide
Key specifications to evaluate include pore size tolerance (±10% is industry standard), batch-to-batch consistency, and compliance with ISO 13485 for medical applications. Request certificates of analysis for critical parameters like flow rate and extractables. For regulated industries, document material traceability and USP Class VI certification if applicable. Bulk purchases (100+ plates) often qualify for 15–30% discounts. Consider total cost of ownership—higher-quality plates may reduce assay failures. Evaluate supplier lead times and minimum order quantities. Some manufacturers offer custom imprinting or pre-plated coatings. For specialized needs, consult technical representatives about proprietary surface treatments or unusual pore geometries.
Related Manufacturers
- 主营：玻璃棉板、离心玻璃棉、聚合物聚苯板、微孔板、防排烟玻璃棉、岩棉板、防火岩棉板、铝箔岩棉板、橡塑板、橡塑海绵、泡沫玻璃板、泡沫玻璃管壳、聚氨酯板、硅酸铝柔性防火包裹、岩棉管、玻璃棉管、硅酸铝管、岩棉复合板、酚醛板、挤塑板
- 主营：密封垫、吸音棉、通风管、微孔板、玻璃板、玄武岩、反光膜、复合板、橡塑管、隔音棉、酚醛板、防水板、隔气膜、防火纸、电热毯、电焊布、硅胶布、玻璃棉、橡胶皮、纤维纸、隔热棉、呼吸纸、珍珠岩、鸡蛋棉、悬挂板、海绵板
- 主营：挤塑板、免回填干式地暖模块、预制沟槽板、微孔板、聚苯板、地暖模块、白晶板、蘑菇头地暖模块、地暖保温模块、热固复合聚苯板、干式地暖模块、地暖板、AEPS保温板、聚合聚苯板、Eps造型线条、Aeps造型线条、挤塑保温板
- 主营：泡沫玻璃保温板、泡沫玻璃管壳、发泡陶瓷保温板、塑化板厂家、岩棉管、玻璃棉管、硅酸铝管、轻质隔墙板、岩棉板、橡塑板、橡塑管、聚苯颗粒轻质隔墙板、防排烟玻璃棉板、防排烟岩棉板
- 主营：聚氨酯保温板、聚氨酯复合板、岩棉复合板、无机塑化微孔保温板、石墨聚苯板、聚合聚苯板、保温结构一体板、免拆模一体板、保温装饰一体板、真空绝热板、岩棉免拆一体板、聚苯板
- 主营：酚醛板、酚醛保温板、改性酚醛板、无机塑化微孔保温板、A级酚醛保温板、A级保温板、彩钢夹心酚醛板、复合酚醛板、复合酚醛保温板、酚醛板厂家、酚醛板价格、酚醛保温板价格、酚醛保温板厂家、定制酚醛保温板、隧道酚醛保温板、酚醛板防火效果、外墙酚醛板、压花铝箔酚醛板、b1级防火保温板、低导热保温板、酚醛发泡板、耐高温酚醛板、防火保温板、保温板、酚醛泡沫板、防火酚醛板
- 主营：岩棉板、岩棉管、聚氨酯板、塑化微孔板规格、聚氨酯管、聚氨酯管壳、聚氨酯瓦壳、聚氨酯管托、橡塑板、橡塑管
- 主营：微孔板、挤塑板、珍珠岩粉、轻质复合垫层
- 主营：聚氨酯保温板、聚氨酯板、保温结构一体板、微孔板、免拆模一体板、岩棉免拆模板、岩棉免拆一体板、岩棉复合板、聚氨酯岩棉复合板、保温装饰一体板、石墨聚苯板、内置保温结构一体板
- 主营：保温结构一体板、发泡水泥板、纳米气凝胶毡、SJ无机塑化微孔保温板、石墨聚苯板、保温装饰一体板、硅质板、匀质板、聚氨酯管壳、玻璃棉板、硅酸铝针刺毯、硅酸铝管、岩棉管、玻璃棉管、泡沫玻璃板、泡沫玻璃管、岩棉复合板、橡塑板、橡塑管、岩棉板、玻璃棉卷毡、钢骨架轻型板、硅酸铝板
- 主营：聚氨酯保温板、聚氨酯板、聚氨酯岩棉复合板、无机微孔塑化保温板、岩棉复合板、保温装饰一体板、保温结构一体板、免拆模一体板、岩棉免拆模板、岩棉免拆一体板、内置保温结构一体板、石墨聚苯板、岩棉板、玻璃棉板、橡塑管、防水背衬板、聚合聚苯板、防水保温一体板、钢丝网架复合保温板、复合岩棉ab板、硅酸铝针刺毯、玻璃棉卷毡、橡塑板
- 主营：聚氨酯保温板、泡沫玻璃板、砂浆纸岩棉复合板、微孔板、阳光房隔热板、聚合聚苯板、复合硅酸盐板、水泥发泡板、挤塑板、聚苯板、酚醛板、保温装饰一体板
- 主营：聚氨酯保温板、聚氨酯复合保温板、硬泡聚氨酯板、微孔板、岩棉复合板、聚氨酯岩棉复合板、砂浆纸岩棉复合板、免拆模一体板、保温结构一体板、保温装饰一体板、石墨聚苯板、内置保温一体板、被动式超低能耗建筑、岩棉板、玻璃棉板、玻璃棉卷毡
- 主营：聚氨酯保温板、岩棉复合板、聚苯板、无机塑化微孔保温板、石墨聚苯板、保温隔声板、保温结构一体板、免拆模一体板、保温装饰一体板、岩棉板、挤塑板
- 主营：保温装饰一体板、挤塑板、岩棉板、微孔板、岩棉复合板、玻璃棉、软瓷、保温结构一体板、无机预涂板、聚苯板、气凝胶毡、电梯井吸音板、橡塑板、橡塑管、硅酸铝管、聚氨酯板、真空板、玻璃棉板、岩棉管