Zinc borate for wires and cables is a professional level flame retardant and efficiency enhancing agent developed and produced by Taixing. It is designed to solve the industry pain points of "flame retardancy not meeting standards, high smoke emissions, weak weather resistance, and poor processing adaptability" in the insulation layer and sheath materials of wires and cables. Different from the broad-spectrum adaptation short board of the universal zinc borate, this product aims at the extrusion processing characteristics and safety standard requirements of cable materials, achieving four core breakthroughs of low smoke, halogen-free, efficient flame retardant, anti-aging, and process friendly. It can be compounded with magnesium hydroxide, aluminum hydroxide, phosphorus nitrogen flame retardant, and is widely used in the fields of medium and low voltage power cables, mining cables, rail transit cables, communication cables, etc. It is the core special auxiliary agent of cable enterprises.
Cable oriented crystal structure+weather resistant modification process
Using closed-loop temperature controlled hydrothermal synthesis technology, oriented cultivation of needle shaped single crystal structured zinc borate crystals can form an interwoven "fibrous barrier network" in the cable substrate, greatly improving the flame retardancy and crack resistance of the material; The weather resistant silane coupling agent grafting modification process is used to construct a protective layer on the crystal surface that is resistant to ultraviolet radiation and moisture. At the same time, the interface bonding strength with cable substrates such as PE, PVC, XLPE is strengthened to solve the problems of decreased mechanical properties of cable materials and processing wire breakage caused by inorganic additives aggregation. The particle size of the product is precisely controlled within 3-5 μ m, and the dispersion uniformity is 50% higher than that of general zinc borate, fully adapting to the processing requirements of cable extrusion production lines.
1. Melting film barrier flame retardant: During the combustion stage of cable materials, zinc borate is dehydrated step by step to absorb heat, and the released boronic ester components combine with the substrate melt to form a dense glassy flame retardant film, covering the surface of the cable material to block oxygen and heat transfer, helping the cable material easily pass the UL 1581 VW-1 vertical combustion test and IEC 60332-1-2 single burning standard, eliminating the risk of flame spread and melt dripping.
2. Low smoke, low toxicity, and hazard reduction: Boron containing gas phase components can target and capture active free radicals such as · OH and · H in the combustion chain reaction, cutting off the pathways for the generation of toxic gases such as hydrogen halides and carbon monoxide; Simultaneously adsorbing smoke particles, reducing the smoke density (SDR) of cable materials during combustion by more than 60% compared to traditional halogen systems, in compliance with the EN 50265 low smoke halogen-free cable standard, ensuring visibility and safety during fire evacuation.
3. Weather resistance and anti-aging to extend life: the surface modified layer can effectively resist ultraviolet radiation, wet environment corrosion and acid alkali corrosion, and improve the anti-aging performance of cable materials; After the addition, the service life of cable products in harsh environments such as outdoor exposure and underground humidity has been extended to more than 15 years, meeting the long-term service needs of fields such as electricity, mining, and rail transit.
1. Precise adaptation to cable standards, global compliance coverage
-Flame retardant standard: When used in combination with magnesium hydroxide for PE cable sheath material, the addition amount is only * * 8% -12% * * to achieve UL 1581 VW-1 flame retardant level; When used for PVC cable materials, it can replace 30% antimony oxide and easily pass the GB/T 18380 bundle combustion test;
-Low smoke and halogen-free environmental protection: 100% halogen-free, antimony free, and heavy metal free, with no release of corrosive and toxic gases during combustion. It has fully passed the EU RoHS 2.0, REACH (224 SVHC), and EN 50265 low smoke and halogen-free standards, meeting the entry requirements of mainstream global markets such as Europe, America, Southeast Asia, and the Middle East;
-Excellent special performance: temperature resistance level up to 105 ℃, suitable for the working temperature requirements of medium and low voltage cables; Outstanding anti-static performance, suitable for mining cable production, in compliance with MT 818 mining cable safety standards.
2. Improve the mechanical performance of cables to ensure safe installation
-The needle shaped crystal structure can enhance the tensile strength and elongation at break of cable materials. After addition, the tensile strength retention rate of PE sheath material is ≥ 92%, and the elongation at break is ≥ 350%, which meets the GB/T 2951 cable physical performance testing standard;
-Improve the anti cracking and anti bending performance of cable materials, avoid sheath damage during cable laying, dragging, and bending processes, and reduce safety hazards such as leakage and short circuits.
3. Process friendly and efficient, reducing cable production costs
-Excellent compatibility with mainstream cable substrates such as PE, PVC, XLPE, EVA, etc., uniformly dispersed without agglomeration, without the need for additional dispersants, reducing the comprehensive procurement cost of additives;
-The decomposition temperature is ≥ 290 ℃, suitable for the conventional extrusion processing temperature of 160-220 ℃ for cable materials. It will not cause production defects such as bubbles, surface roughness, and broken wires in the product due to premature decomposition, thus improving production efficiency;
-Supports various packaging forms such as 25kg paper plastic composite bags, 500kg ton bags, and bulk bags, with a minimum order quantity as low as 25kg, meeting the dual needs of small batch trial production and large-scale procurement for cable enterprises.
Q1: What is the difference between zinc borate for wires and cables and general zinc borate?
A1: General zinc borate is a broad-spectrum additive that is difficult to balance the flame retardancy, smoke suppression, mechanical properties, and processing adaptability of cable materials; This product is a cable specific formula, designed with needle like crystal structure and weather resistant modification, accurately matching cable substrates and processing technology, and can meet various cable specific standard requirements.
Q2: Can this product be used for specialized cables for rail transit such as high-speed trains and subways?
A2: Sure. The product is specially optimized for the low smoke and low toxicity requirements of rail transit cables. After compounding with phosphorus nitrogen flame retardants, it can easily pass the EN 45545 rail transit flame retardant and toxic standards, and is suitable for harsh scenarios such as high-speed rail vehicles and subway tunnels.
Q3: How to ensure the stability of dynamic interface adaptive technology during long-term storage and between different batches?
A3: This is a key point. The adaptive ability comes from the "pre-set response program" we assign to the particles, rather than unstable physical coatings. The interface structure is thermodynamically stable under normal conditions, and its triggering conditions (such as specific temperature and shear force) are precisely predetermined. We use advanced online process analysis technology to monitor and control the key parameters of the synthesis reaction in real-time, ensuring that the interface chemical structure of each batch of products is exactly the same as the "response program". Therefore, its dynamic behavior is highly predictable and repeatable, rather than randomly changing.
If you are looking for zinc borate for wires and cables, special flame retardants for cable materials, cable synergistic smoke suppressants, UL 1581 cable flame retardants, EN 50265 cable additives, Taixing will be your best partner and we will offer the best cooperation price. Welcome to negotiate!
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