# Glass mold release

Anti-stick graphite coating for bending and forming molds in automotive and architectural glass.

Family: Coatings / Release Agents

## Description
Hot glass copies any defect in the mold and sticks to the metal surface unless something separates them. A graphite coating provides an even anti-stick layer that lets glass bend and release without marking the part, and it absorbs the thermal shock of each cycle without flaking off.

## Selection and application

The thermal cycle, mold geometry, and required glass finish set the film thickness and reapplication interval. Apply by brush or spray onto a clean, dry mold. ESGRAF supplies HIDROCOLAGE for automotive and architectural glass bending and release, also packed as GRAFOGLAS.

## Processes
- Glass bending
- Forming and tempering
- Glass mold release
- Mold coating

## Challenges
- Marks and optical defects in the glass
- Glass sticking to the mold
- Thermal shock on the mold
- Residue transferring to the part

## Advantages
- Fast-drying anti-stick film
- Even surface without marking
- Withstands thermal cycling
- Applied by brush or spray

## Limitations
- Requires a clean, dry mold
- Reapplication depends on production cycles
- Optical finish requires validating film thickness

- [Applications](https://esgraf.com/en/applications)
- [Alternate](https://esgraf.com/aplicaciones/vidrio-desmoldante-moldes)