In paints and surface coatings, the hardness of the polymer samples is generally measured by pencil hardness test using a series of different grades pencils ranging from 6B to 6H, as per the ASTM D 3363a 00 procedure. By this process aanbsp;...
Title | : | Fundamentals Of Polymers: Raw Materials To Finish Products |
Author | : | Niranjan Karak |
Publisher | : | PHI Learning Pvt. Ltd. - 2009 |
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