... samples which you send to us. 2. Materials: NR, NBR, IR, EPDM, BR, SBR, SIL, Victon, etc. 3. Packing: Inner packing ... -agents bottle, which has excellent performance compared to the traditional ones (natural rubber plug, butyl rubber plug and etc. ). A. Stable ... the extremely good security to the preparation product masking slilcone force cap in differene colors