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IOTA 5143 Dichloromethyltriethoxysilane: Breaking Through the Technical Bottleneck of Silicone Rubber-Metal Bonding

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Anhui IOTA Silicone Oil Co., Ltd. has launched IOTA 5143 Dichloromethyltriethoxysilane, which is addressing the industry challenge of silicone rubber-metal bonding with its unique molecular structure and exceptional surface treatment performance. As an efficient surface treatment agent, this product can increase the bonding strength between silicone rubber and metal by over 300%, providing reliable bonding solutions for automotive, electronics, aerospace, and other fields.

Technical Breakthrough Highlights

  • Strong Bonding Promotion: Achieves silicone rubber-metal bonding strength exceeding 5.0 MPa

  • Dual Functionality: Can be used as both a surface treatment agent and a room-temperature vulcanized silicone rubber curing agent

  • Rapid Reaction: Completes surface treatment within 5 minutes at room temperature

  • Broad Applicability: Suitable for stainless steel, aluminum alloy, copper, and other metal materials

Application Performance Advantages

✓ Automotive Engine Sealing: Withstands temperatures up to 200°C, maintaining sealing integrity under vibration
✓ Electronic Component Encapsulation: Enhances bonding reliability between silicone rubber and metal leads
✓ Aerospace Sealing: Passes extreme environment testing (-60°C to 200°C cycles)
✓ Industrial Equipment Sealing: Resists oil and chemicals, extending service life by 3x

"Traditional treatment methods achieve bonding strengths below 2.0 MPa, while IOTA 5143 can increase it to over 5.0 MPa," stated IOTA's Technical Director. "This is highly significant for fields requiring high reliability."

Product Technical Specifications

Parameter Specification
Appearance Colorless to light yellow transparent liquid
Boiling Range 75-95°C (5 mmHg)
Density (20°C) 1.01±0.005 g/cm³
Refractive Index (n25D) 1.4660±0.005
Solubility Soluble in organic solvents, insoluble in water

Usage Guidelines

  • Surface Treatment: Dilute to 1-3% concentration with ethanol, apply to metal surface, and air-dry for 5 minutes at room temperature

  • Curing Agent Use: Mix with 22# silicone rubber at a 1:100 ratio, cure at room temperature for 24 hours

  • Precautions: Ensure ventilation during operation and avoid direct skin contact

Packaging: 10L/20L/200L plastic drums, custom packaging available
Storage Conditions: Store sealed and protected from light, 12-month shelf life

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