Atotech India Ltd. Supplies Thermal Curing Solder Mask. The quality management system of Atotech India Ltd. Has been awarded ISO 9001 and ISO 14001 certifications. Thermal Curing Solder Mask is an excellent screen-printable conventional solder mask. Thermal Curing Solder Mask is usually preferred for high-reliability applications where resolution requirements allow. Various colors and viscosity adjustments of these masks help to find the optimum solution for application engineers.