The original rock that has undergone metamorphism is called the protolith. Protolith can be any type of rock and sometimes the changes in texture and mineralogy are so dramatic that is difficult to distinguish what the protolith was. Note that diagenesis and weathering are also a changes in form that occur in rocks.
This will prevent you from breathing in fiberglass fibers. Refrain from scratching your fiberglass itch. Scratching or rubbing will force the fiberglass deeper into your skin, rather than getting it out. Take a cold shower immediately after working with fiberglass.The cold water will help keep your pores closed so that the fibers don't get deeper into your skin.It will also wash off the larger pieces of fiberglass. Take a hot shower or bath following your cold shower. The warm water will open your pores, allowing any remaining fiberglass to work its way out.he cold water will help keep your pores closed so that the fibers don't get deeper into your skin. It will also wash off the larger pieces of fiberglass. Take a hot shower or bath following your cold shower. The warm water will open your pores, allowing any remaining fiberglass to work its way out.
1 Place the first layer of Fiberglass Cloth onto mixed resin. 2  Use paint brush to saturate the cloth with mixed resin. 3  A dabbing motion will help saturate the cloth and remove any air pockets. 4  Continue applying additional layers of cloth and mixed resin as needed while the first application is still sticky or wet. Mix as follows: Mix resin and hardener in mixing tray supplied. 2  Estimate amount of resin needed to saturate Fiberglass Cloth. 3  Ratio of resin to hardener is as follows: For 1 ounce of resin, add 10 drops of hardener or 6 tablespoons of resin with Â¼ teaspoon of hardener.