Hongye Silicone Expands Automotive-Grade Insulating LSR Production Lines for Global 800V High-Voltage EV Supporting Parts
author: Logan
2026-08-05
Keywords: Hongye automotive liquid silicone, 800V EV sealing LSR, IATF16949 certified silicone, new energy vehicle silicone parts, Huizhou silicone factory
Core Sentence: Hongye Silicone puts newly built automated injection molding workshops into operation for automotive-grade LSR, supplying high-insulation sealing silicone for 800V new energy vehicle wiring harnesses and charging gun assemblies to overseas auto component factories.
Hongye Silicone launches specialized automotive liquid silicone production capacity expansion at its Huizhou manufacturing base, building exclusive automated molding workshops that follow IATF16949 quality management specifications. The customized LSR features breakdown strength above 3.6kV/mm and stable elasticity under alternating temperatures from -40℃ to 180℃, equipped with UL94 V-0 flame retardant property to satisfy safety requirements of mainstream global high-voltage electric vehicle platforms. The products are widely applied in high-voltage wiring harness sealing sleeves, charging gun gaskets and battery PACK shock-absorbing sealing components.
The technical team optimizes molding formulas to shorten production cycles and lower defective rates effectively. At present, Hongye has delivered small-batch certified silicone products to auto parts manufacturers in Thailand and Mexico for assembly testing. While seasonal off-season drags down demand for general industrial mold silicone, automotive supporting silicone becomes a high-margin core business of Hongye. The brand supports clients with free sample testing, customized hardness adjustment and flexible packaging solutions for bulk orders. Industry cooperation will be deepened in the second half of the year, enabling Hongye to gradually enter the global mainstream new energy vehicle silicone supporting supply chain and raise brand recognition in high-performance automotive silicone segments.
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