... tube capacity when closed Integral nap shut cap pp tubes,plastic mould• Suitable for 0.5ml thermal ... when closed• Integral nap shut cap• Available with flat or domed frosted capswe supply OEM,ODM ... mould, stamping mould,alloy mould... plastic materials includes:PP, PE, ABS, PMMA...and our mould tolerance can ... through HASCO,DME ... standardscontact for details pp tubes,Microcentrifuge Tubes with cap