High-Performance Листы полипропилена for Corrosive Applications
QEEHUA Delivers Corrosion-Resistant PP Solutions for Chemical, Semiconductor & Wastewater Industries.
ISO 9001:2015 CERTIFIED
CE TECHNICAL COMPLIANCE
SGS MATERIAL TESTED
NSF COMPATIBLE MATERIALS
Optimized for Your Sector
Our engineering plastics and valve systems are purpose-built to meet the rigorous demands of specialized industries.
Ultra-pure PP sheets and high-precision valves for chemical mechanical polishing (CMP) and cleaning stations.
High-performance PP tank components and security-grade containment solutions.
Core Solutions & Products
Precision-engineered polymer systems for the most demanding industrial environments.
Стандартные полипропиленовые листы
Acid & alkali resistant, up to 3,300mm ultra-wide capacity for large-scale tank construction.
READ MOREФункционально модифицированные листы
UL 94 V-0 flame retardant properties with enhanced UV resistance for 8-15 years outdoor life.
READ MOREU-образные пазы PP
Structural reinforcement for equipment spans >= 500mm, ensuring long-term stability.
READ MOREСварочные прутки из полипропилена
High-quality extrusion technology for zero-leakage assembly and low maintenance costs.
READ MOREПромышленная трубопроводная система
High-performance PPH/PVDF systems for semiconductor and lithium battery ultrapure water.
READ MOREМоторизованные и пневматические клапаны
Precision flow control with advanced actuators for automated industrial chemical management.
READ MOREInstant Fire Auto-Extinguishment
Non-Toxic & Chemical Safety Guaranteed
Global Distribution Network
Our integrated supply chain network ensures high-performance polymer solutions reach critical industrial facilities across the globe with precision and speed.
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Latest News

How to Choose PP Fittings for Corrosive Chemical Piping Systems
Short answer: choose PP fittings for a corrosive chemical piping system only after checking the actual chemical, concentration, temperature, pressure, connection method, pipe material and support layout together. PP can be a strong option for many acid, alkali, salt and wastewater services, but corrosion resistance is not a universal approval. The fitting, joint and installation design must match the complete service condition. Real QEEHUA production imagery: confirm the selected PP or PPH system and dimensions against the current project drawing. Why PP fitting selection is harder than choosing a pipe size In a chemical line, the fitting is not a minor accessory. Elbows, tees, reducers, unions, flanges, adapters and valves determine how the system changes direction, branches, connects to equipment and gets maintained. A fitting can be chemically compatible while the joint, gasket, thread, flange, support or operating temperature is not. A reliable selection process starts with service data rather than nominal diameter. The Plastics Pipe Institute TR-19 chemical-resistance report warns that unstressed plastic test results do not automatically represent a pipe or fitting under constant pressure, repeated stress or other mechanical loads. The five checks to complete before ordering PP fittings Selection item What to confirm Why it matters

How to Select PP Sheet for Electroplating Tanks by Chemical Duty
For an electroplating tank, the material choice starts with the bath. The word “chemical” is not enough. Before a sheet is selected, the project record should show the liquid, concentration, temperature range, liquid height, agitation, support spacing, and welding method. PP sheet for electroplating tanks can suit many wet-process components, but the sheet grade is only one part of the decision. Tank geometry, local loads, welded joints, cleaning chemicals, and upset conditions all belong in the same review. Start with the actual bath and compare the requirements with the QEEHUA PP sheet range before asking for a quotation. Real QEEHUA production imagery: check the supplied sheet grade and dimensions against the current project drawing. What problem does an electroplating tank need to solve? An electroplating line rarely has just one liquid. It may include acid baths, alkaline cleaners, rinse tanks, metal-bearing solutions, heated sections, pumps, agitation equipment, and overflow areas. Each part can expose the material to a different combination of chemistry, temperature, liquid load, and handling. The wastewater boundary matters as well. The U.S. EPA electroplating effluent guidance describes electroplating operations involving metals including copper, nickel, chromium, zinc, lead, cadmium, and silver. That guidance does not choose a tank

Упаковка из полипропиленовых листов для проектной транспортировки: что нужно подтвердить.
Обсуждение упаковки полипропиленовых листов должно начинаться с фактических панелей проекта и маршрута транспортировки. Необходимо определить размеры листов, количество, поверхности панелей, этикетки, точки обработки, пункт назначения и состояние, которое будет проверено по прибытии. Упаковка должна быть подтверждена для заказа. Изображение на складе или при отгрузке показывает контекст продукта, но не гарантирует дизайн упаковки, маршрут экспорта, условия доставки или характеристики транспортировки. Вопрос об упаковке следует включить в письменный запрос проекта. Краткое описание проекта. В отгрузочной документации необходимо связать каждую упаковку с панелями и деталями, которые из них будут изготовлены. Это важно, когда листы имеют разные размеры, требования к поверхности или изменения в чертежах. Видимая этикетка на упаковке помогает приемным бригадам избежать смешивания материалов перед изготовлением. Используйте диапазон полипропиленовых листов QEEHUA с документацией по компонентам. Страница с описанием отраслевых применений может помочь покупателю соотнести запрос с оборудованием, но чертеж и фактическая нагрузка остаются доказательством проекта. В файле проекта должно быть краткое описание решения. В нем должно быть указано, что выбирается, какие условия контролируют проверку и какие доказательства приведут к закрытию позиции. Это полезнее, чем копирование этикетки материала в несколько документов. Таким образом, покупатель, изготовитель и инспектор смогут видеть один и тот же объем работ.
Technical FAQ
Our products are certified under ISO 9001, ISO 14001, and CE standards. We also provide FDA-compliant materials for pharmaceutical and food-grade applications. Test reports and certificates are available upon request.
Yes, we offer light customization services covering sheet thickness (3mm–100mm), rod diameters, welding rod specifications, and special formulations (including UV-resistant, flame-retardant, and conductive-grade PP materials).
MOQ varies by product type. Standard items typically have a low MOQ of 100kg, while custom profiles may require 500kg minimum. Contact our sales team for specific product MOQs.
Absolutely. Our engineering team provides comprehensive technical consultation including material selection, chemical compatibility analysis, and installation guidance. We also offer on-site support for large-scale projects.
We ship globally via sea freight, air freight, and express courier. Standard production lead time is 7–15 days depending on order volume. Rush production is available for urgent orders with surcharge.