Inorganic Nano Release Powder Silica/Boron Nitride Modified CAS 10043-11-5, Precision Rubber & Electronic Molding
Inorganic Nano Release Powder Silica/Boron Nitride Modified CAS 10043‑11‑5 is a high‑purity composite inorganic functional filler. It combines the layered lubricating property of hexagonal boron nitride and the reinforcing effect of nano silica after special surface modification treatment. When mixed into rubber or polymer formulations, it disperses evenly within the matrix. During high‑temperature vulcanization and molding, part of the fine powder migrates moderately toward the mold interface a
Product Detail Page: This inorganic nano release powder is manufactured by homogeneous blending of nano‑silica and fine hexagonal boron nitride raw materials, followed by dry surface modification, pulverization, air‑jet classification and purification. Each production batch is tested for particle‑size distribution, bulk density, thermal stability, dispersion performance, lubricating coefficient and heavy‑metal impurity content before shipment.
Precision rubber and electronic polymer molding processes impose strict requirements on internal release additives. Traditional organic wax‑based release agents tend to decompose under sustained high vulcanization temperature. Thermal decomposition creates carbon stains, volatile contaminants and surface blooming defects on finished workpieces. Conventional silicone‑based release additives easily migrate onto part surfaces, interfering with subsequent printing, bonding and coating operations. If the inorganic composite powder suffers from poor dispersion inside rubber or polymer compound, hard agglomerates will form pinholes, specks and uneven surface texture on precision molded products. Gradual accumulation of residual compound on mold cavities requires frequent mold cleaning, interrupting continuous production and lowering workshop output.
When this inorganic nano release powder is metered and incorporated during rubber kneading or polymer compound mixing at recommended dosage, the fine composite particles are homogeneously distributed through the polymer matrix. Under elevated temperature during vulcanization or molding, a controlled fraction of particles migrates toward the mold‑metal interface and builds a continuous micro solid lubricating film. This inorganic boundary layer reduces interfacial adhesion between hot molding stock and mold cavity surfaces. It enables smooth demolding of intricately shaped precision rubber and electronic polymer components. Thanks to fully‑inorganic composition, the release powder exhibits outstanding thermal stability, and will not decompose or produce carbon deposits on mold surfaces during long‑term molding cycles. It effectively slows mold fouling and helps finished parts faithfully reproduce delicate mold surface textures.
Strict dosage control during compounding is critical. Under‑dosage results in insufficient lubricating and releasing performance, causing sticking, tearing and surface damage on precision molded components. Excessive loading will impair tensile strength, elongation and compression‑set resistance of rubber and polymer materials. Laboratory compounding and actual molding trials are strongly recommended before formal mass‑scale production. This composite release powder can be used together with rubber vulcanizing agents, curing accelerators and other reinforcing fillers for electronic‑grade rubber and polymer formulations.
For processing operations, feed the inorganic nano release powder into internal kneader or high‑speed mixer together with base polymer, rubber raw stock and reinforcing fillers during compound preparation.
Major application fields: internal inorganic release additive for precision technical rubber parts; solid lubricating filler for electronic polymer molding compound; anti‑fouling functional powder for high‑grade rubber‑electronic composite molding.
Store the product in tightly‑sealed original bags within 15‑28℃, keep dry warehouse conditions, avoid moisture absorption and heavy compression which may cause particle agglomeration.
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Inorganic Nano Release Powder Silica/Boron Nitride Modified CAS 10043-11-5, Precision Rubber & Electronic Molding
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