- Bisco’s porcelain etchant improves the adhesive bond between porcelain and cement by increasing the surface area of the porcelain to be bonded. - The effect is similar to sandblasting but is more controlled and effective. - Porcelain etchant will microscopically roughen the feldspathic porcelain or glass surface. Contains: - 1 syringe 9.5% porcelain etchant (5g). - 25 black disposable plastic tips. **For further product information, please contact Chat Support**