natural resin

Between the two world wars the sites started production of synthetic and natural resins as used in paint and varnish.

The binding agent used to join the blocks is yet to be identified, although natural resins or slaked lime have been suggested.

It can be synthetically created or derived from natural resins.

When derived from natural resins it is most often created out of labdanum.

Manufacturers have found that using natural resins can be expensive because harvesting them takes time, and they are often rare and hard to find.

These are the main source of the local production of natural resin.

The resin, either synthetic or natural, must be dissolved in a solvent.

Most natural resins are produced by plants or trees to cover a wound.

Chemists had begun to recognize that many of the natural resins and fibers were polymers.

The painting had slowly lost its cover as the natural resin used in the previous restoration gradually degraded.