... orders 3, Quick delivery 4, Strict quality control Oil seals multi cavity tools :1. Mould for all kinds of rubber products as ... per customer's design.2. Cavity number: Single, multi-cavity3. Cavity/core ... steel: P20, 45#, Cr12MOV etc.4. Products Material: NBR, FPM, CR, EPDM, ACM etc5. Standard: DIN or JIS ...