Long Flow Novolac Phenolic Resin Pellet for Foundry Resin Coated Sands Product description Novolac Phenolic resin (two-step) is produced by condensing phenol with an insufficient amount of formaldehyd...
Friendly Links: www.everychina.com
Home| Products| Suppliers| Quality Suppliers| Site Map |About Us |Contact Us |Help |关于我们 |联系我们