12PCS aluminium tubes. High viscosity adhesive for the office and family features the characteristic as long shelf life and as well as strong toughness and low bloom. it is suitable for the repairing and the adhesive of exquisite goods, such as jade, leather, porcelain, wood, leather, toys and artwork. CERTIFICATION: ISO 14001:2004, ISO9001: 2000, SGS certificate of quality and non-heave metal certificate, the EU Standard No: GB05/64865. All the raw materials are fit to the FDA (U.S.A) standard. 21CFR 175.105 for the water based PU adhesive.