Product Description

6.and carburizing effects on castings. Ensure the stability of the carbonizthe wear and blockage screen of the sand recovery equipment, prolonging the service life of equipment.
8. Energy conservation and environment protection. The paper sprue tube use waste paper and other organic fibers and refractory materials as raw materials .The process does not produce pollutants,andwaste can naturally dissolves. It is a typical green environment, energy-saving product.
This product is used by a famous cast iron enterprise in China, all the performance meet the requirements.
Notes for use of the paper sprue tube;
The paper sprue tube is made of organic fibers and refractory materials. In storage and use, it is necessary to make fire prevention and moisture-proof, especially not direct contact with fire source and high temperature .The following points should be noted in use:
1.the phenomenon of moisture absorption appeared ,it must be dried at low temperature (under **0€ž’)before use.
8.The paper sprue tube is fragile, so it  must not to be packed under heavy cargo, handle gently