Assertion: rubber | /r/HasProperty | added
Facets:
value: slowly
type: MANNER
Source sentences:
text: The rubber is added slowly until it is wetted by the solvent and is suspended or dissolved in the solution.
text: Natural rubber is often vulcanized, which means it is heated to about 140°C (280°F) and sulphur, peroxide or bisphenol are then added to enhance its resistance and elasticity, and to stabilise the final material or product.