SMB Copper T 380A - intrauterine contraceptive device is a safe & trusted birth control device to ease unwanted pregnancy worries for a period of up to 10 years. Each SMB Copper T 380A frame is made from compound of Low Density Polyethylene and Barium Sulphate. Each SMB Copper T 380A frame is made from compound of Low Density Polyethylene and Barium Sulphate (15% - 24%) wound with 176mg of 0.25mm diameter copper wire, and two copper sleeves on horizontal arm providing a surface area of 380 mm². The
