Gb/T 20254 2025. Physical properties of gb qfe0.1 gb/t 20254.1 mainly cover modulus of elasticity, coefficient of thermal expansion, thermal conductivity,. Eu directive 2011/65/eu (rohs 2), eu directive 2012/19/eu (weee)
Copper and copper alloy strips for lead frames part 1: We will quote you within 1~2 work day.