Applications

Chemosil® 512 – One-coat adhesive for bonding fluoroelastomers to metals and substrates during vulcanization

Item Name: Chemosil® 512
Manufacturer: Parker Lord (a Parker Hannifin company)
Technologies: One-coat adhesive, silicone compound in solvent system
Color: Clear brown liquid
Cure Type: Vulcanization bonding at 170–180°C
Package Size: Contact to Techniq VN for details.
Shelf Life: 9 months

1. Product Overview

Chemosil® 512 is a one-coat adhesive formulated for bonding fluoroelastomers to metal and various substrates during vulcanization. It is composed of dissolved silicone compounds in a solvent system. The product offers strong adhesion, excellent resistance to temperature and media, and can be applied by brush, spray, or dip.

2. Applications

  • Designed for bonding fluoroelastomers (FKM), including conventional and peroxide cross-linking types.

  • Applied in rubber-to-metal bonding processes during vulcanization at 170–180°C.

  • Suitable for industrial applications requiring durability in harsh environments.

  • Recommended for use with properly prepared metal surfaces, ensuring removal of oils, oxides, and rust before application.

3. Typical Properties

Property Value Condition/Notes
Appearance Clear brown liquid Visual
Density 0.84 – 0.86 g/cm³ (7.01 – 7.17 lb/gal) At 20°C (68°F)
Solids Content (by weight) 13 – 17 % Dry residue after 30 min @ 130°C
Flash Point -6°C (23°F) Seta closed cup
Solvent MEK Main solvent system
Shelf Life 9 months Stored < 25°C in unopened container

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