The glass fiber may be randomly arranged, flattened into a sheet (called a chopped strand mat), or woven into a fabric. The plastic matrix may be a thermosetting plastic â most often epoxy, polyester resin â or vinylester, or a thermoplastic.he glass fiber may be randomly arranged, flattened into a sheet (called a chopped strand mat), or woven into a fabric. The plastic matrix may be a thermosetting plastic â most often epoxy, polyester resin â or vinylester, or a thermoplastic.
Signs and symptoms of black hairy tongue include: Black discoloration of the tongue, although the color may be brown, tan, green, yellow or white. A hairy or furry appearance of the tongue. Altered taste or metallic taste in your mouth. Bad breath (halitosis)
Coated or furry tongue, Taste of acid in mouth and White patches on tongue. WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms coated or furry tongue, taste of acid in mouth and white patches on tongue including Heartburn/GERD, Constipation (child), and Constipation (adult).