ESTWELD® weld power is a mixture of copper oxide and aluminium , packaged by size in individual plastic tubs or bags. Each tube contains the starting material in the lid ,with weld power in the cacuum aluminum foil bag . These containers are packaged in plastic boxes with the corresponding metal disks. Each weld uses one disk. These materials are not explosive and not subject to spontaneous ignition.
We have been in exothermic welding powder line for more than 20 years,our goods exported more than 30 countries. If you have any enquiry,please send me message or email allen1819@aliyun.com