Okitsumo Products:Heat resistant solder resist ink HRS-1-7W:The HRS-1-7W is a silicone-based resistor ink which features superb heat resistance and UV-resistant properties. HRS-1-8W:The HRS-1-8W is a solder resistor ink which features high light reflectivity due to its white color and superb heat resistance. HRS-2-6 series:The product is best suited for applications where high reliability is required. It features superb heat resistance and thermalcycle resistance. HRS-1-5G:This is an ink dedicated for use with flexible substrates due to its superb durability against bending. HRS-1-5W:This is an ink dedicated for use with flexible substrates due to its superb durability against bending.