Industry news, technical articles and application cases
Fluororubber (FKM/FPM) is a high-performance elastomer polymerized from fluorinated monomers. Thanks to its strong carbon-fluorine (C-F) bonds, FKM delivers outstanding high-temperature, oil, and chemical resistance, making it the material of choice for demanding seals in automotive, aerospace, petrochemical, and semiconductor industries. This guide explains what fluororubber is, analyzes its key properties (temperature range, chemical resistance, mechanical performance) and main applications, and provides a selection guide with common grades. As a specialized FKM supplier, huagong offers multiple raw rubber and compound grades — contact us for quotes.
Read MoreWhat is PVDF material? This guide systematically explains the full name (Polyvinylidene Fluoride), molecular structure and thermoplastic nature of PVDF, with density 1.75—1.79 g/cm³, continuous service temperature —40 to 150℃, excellent chemical resistance, high mechanical strength, flame retardancy, weatherability and electrical properties. It reviews PVDF applications in chemical piping, semiconductor high-purity systems, lithium battery binders, water treatment membranes and architectural coatings; compares PVDF vs PTFE; and offers sourcing tips on grade selection, certifications and PVDF price tracking, with FAQ and internal links to help engineers and buyers quickly understand PVDF and complete sourcing.
Read MoreBased on GB/T 13663.2-2018, this article compiles a complete PE pipe specification table covering nominal outside diameter DN 20-1200mm, SDR 11-33 series, and nominal pressure PN 0.6-2.5MPa with corresponding wall thickness and unit weight reference. It also provides PE80 vs PE100 comparison, an SDR lookup method, and diameter selection advice, helping procurement and design teams quickly reference the PE pipe spec table. huagong offers one-stop GB-compliant PE pipe procurement and quotation support.
Read MoreThis article gives a clear technical answer to the common construction question—can PPR and PE pipes be heat-fused together: no, they cannot be directly heat-fused. It analyzes the issue across five dimensions—molecular structure, melting point difference (PE 130-136°C vs PPR 160-170°C), fusion temperature window (PE 210-220°C vs PPR 260-280°C), coefficient of thermal expansion, and shrinkage rate—and provides actionable transition solutions including flange, threaded transition, and electrofusion transition fittings, with construction notes. huagong provides one-stop engineering plastic pipe and transition fitting quotation support.
Read MoreThis guide systematically explains PE water supply pipe selection across core dimensions: PE80/PE100/PE100-RC material grades, SDR 11-26 with nominal pressure PN mapping, butt-fusion and electrofusion joining, and GB/T 13663 national standard requirements. It offers selection advice by diameter (DN 20-1200mm) and operating condition for municipal, rural drinking water, building, and chemical scenarios. huagong provides one-stop GB-compliant PE water pipe procurement and quotation, helping buyers avoid grade confusion and insufficient wall thickness.
Read MoreThis article tackles the challenge of selecting a PVC pipe manufacturer with an actionable 5-step evaluation: qualifications, product standards, capacity and equipment, quality control, and case studies / after-sales. It systematically covers national standard numbers (GB/T 10002.1, GB/T 5836.1, GB/T 4219.1) and key parameters (nominal pressure, wall thickness, density) for PVC-U water, drainage, and chemical pipes. The guide helps buyers shortlist reliable PVC pipe manufacturers from a crowded market. huagong provides one-stop engineering plastic pipe selection and quotation support.
Read MoreThis guide answers the core procurement question—how much PVC flooring costs per square meter—by reviewing price ranges across three main categories (homogeneous, multilayer composite, SPC click): 25-300 RMB/m². It analyzes cost drivers from four dimensions: thickness, wear layer, brand, and installation method. Drawing on engineering plastics supply chain expertise, huagong offers professional selection advice for commercial, healthcare, school, and residential scenarios, helping buyers avoid low-price traps and balance performance with budget.
Read MoreThis article systematically compares PVC thick board vs thin board across specification boundaries, applications, performance and price. It details selection points for PVC thick board (≥10mm) in chemical anti-corrosion, electroplating tanks and structural support, and applications of thin board (<5mm) in signage, decorative lining and electronic insulation, with comparison tables for thickness tolerance, density, mechanical strength and processing. By huagong, professional engineering plastics supplier.
Read MoreThis article systematically compares PVC, PP and ABS across five dimensions—temperature resistance, corrosion resistance, mechanical strength, price and processing—to answer two common questions: which is better between PVC vs PP, and between ABS and PP. It covers selection advice for chemical corrosion protection, sanitary ware, electrical housings and food packaging, with comparison tables for density, tensile strength and Vicat softening temperature. By huagong, professional engineering plastics supplier.
Read MoreThis article compiles a complete PVC flange specifications and dimensions chart covering DN15-DN300, including outer diameter, bore, thickness, bolt hole count and bolt circle diameter for flat, butt-weld, blind and loose flanges, with PN6/PN10/PN16 pressure ratings. It covers standards such as GB/T 9113 and HG/T 20538, plus selection tips and price references for PVC flanges in chemical piping systems. By huagong, professional engineering plastics supplier.
Read MoreThis guide explains the classification, performance parameters and usage methods of PVC adhesive, covering solvent-based, hot-melt, epoxy and polyurethane types. It details selection points for PVC-PVC, PVC-metal and PVC-wood bonding, along with the full process of surface preparation, glue application, pressing and curing. As a professional engineering plastics supplier, huagong helps buyers and contractors match the right PVC adhesive to avoid delamination, cracking and rework.
Read MoreThis guide explains the core technical parameters, wear performance and industrial applications of PVC wear resistant board, covering selection points for high-wear conditions in mining, metallurgy, chemicals and power. It details thickness specs, density, friction coefficient, wear rate and GB standards, plus current market prices. As a professional engineering plastics supplier, huagong helps buyers lock in the right PVC wear resistant board specs, avoiding frequent replacement and downtime losses.
Read MoreThis article systematically explains PVC grille pipe manufacturers' application in telecom engineering, covering PVC grille pipe (honeycomb pipe) specs (2-9 cells, 28-50mm bore), physical properties (compression ≥750N, V-0 flame retardant, oxygen index ≥32), and YD/T 841 standard. Combined with telecom manhole placement, cable pulling, bending radius, and joint methods, it analyzes PVC grille pipe manufacturer selection (qualifications, test reports, batch consistency) with market reference prices. Helps telecom engineering buyers quickly identify qualified manufacturers. huagong provides spec sheets and bulk quotes.
Read MoreThis article systematically compares outer PE coated steel pipe and PVC pipe in structure, performance, application, and cost. The PE coated steel pipe uses welded steel as substrate, with 1-3mm PE outer anti-corrosion layer and 0.3-0.5mm epoxy powder inner coating, working temperature -40°C to 110°C, pressure ≥2.5MPa; PVC pipe is mainly polyvinyl chloride, working temperature -15°C to 60°C, pressure ≤1.6MPa. Detailed comparison across mechanical strength, corrosion resistance, installation, service life, and total cost helps water supply, fire, chemical, and gas engineering buyers quickly select. huagong provides quotes for both coated steel and PVC pipes.
Read MoreThis article systematically explains the PVC profiles extrusion process, covering formulation systems (PVC SG-5 resin, stabilizers, lubricants, fillers, modifiers), twin-screw extruder temperature zoning (150°C-200°C), screw speed and traction speed matching, cooling and sizing key parameters. Combined with quality indicators including dimensional tolerances (±0.1-0.3mm), surface quality, tensile strength ≥45MPa, Vicat softening temperature ≥80°C, it analyzes common defects (bubbles, discoloration, bending, dimensional deviation) and their solutions. Helps production engineers and QC teams build full-process PVC profile quality control systems. huagong provides raw material technical support.
Read MoreThis guide systematically explains PVC electrical conduit specifications, covering GB/T 14823.1 and JG/T 3050 standard systems, nominal OD De16-De63, wall thickness 1.0-3.2mm, and key mechanical properties including compression performance, flame retardancy (V-0 grade, oxygen index ≥32), and temperature range (-15°C to 60°C). Combined with installation norms for surface/concealed routing, bending radius, and joint methods, it helps electrical engineers and procurement teams quickly master PVC electrical conduit selection and avoid common construction errors. huagong provides spec sheets and bulk quotes.
Read MoreThis article systematically reviews the June 2026 PVC price trend, covering SG-3/SG-5/SG-8 resin powder ex-works prices, cost differences between calcium carbide and ethylene routes, and the latest market quotations for rigid PVC board, flexible PVC board, PVC-U water supply and drainage pipes. Combined with three factors—international oil price fluctuations, seasonal demand, and downstream operating rates—it helps buyers quickly assess PVC price per ton and identify low-price traps. huagong, as an engineering plastics supplier, provides real-time quotes and selection support.
Read MoreThis guide systematically explains the 5 evaluation dimensions for selecting PVC board manufacturers, covering qualification certification, production capacity, quality control system, price reasonableness, and after-sales guarantee. Based on GB/T 22789, it provides specific verification methods and reference metrics for each dimension, and compares domestic top manufacturers vs. small and medium factories in product stability, lead time, and technical support to help buyers avoid low-price traps and lock in reliable PVC board suppliers.
Read MoreThis guide systematically explains the selection of industrial locking PVC floor, comparing SPC stone-plastic, WPC wood-plastic, and LVT luxury vinyl across thickness, wear layer, anti-slip grade, and load capacity. Based on GB/T 34440, it provides recommended specs and price ranges for workshops, warehouses, garages, and commercial spaces, helping buyers avoid cheap products and lock in locking floor truly suitable for industrial conditions.
Read MoreThis guide systematically covers the selection and construction of PVC waterproof membrane, including the three main types—homogeneous (H), fiber composite (FP), and fabric-reinforced (P)—with technical parameters and applications. Based on GB/T 12952, it compares 1.2/1.5/2.0mm membranes across project types and details mechanical fastening, full adhesion, and loose-laid construction methods, plus hot-air welding seam treatment to help contractors avoid leakage and delamination risks.
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