DIN 2304-1

Abstract

Scope: This standard specifies requirements for the high-quality design and workmanship of structural, i.e. loadbearing, adhesive bonds, covering all steps of the adhesive bonding process chain, from design to manufacturing and maintenance. It also specifies safety classes into which the bonds covered in this standard are to be classified. A structural bond within the meaning of this standard is a material compound produced using adhesive(s) and designed mainly to transmit mechanical loads, its loadbearing function ensuring its reliability and fitness for use throughout the life cycle of the product. As part of a technical unit the bond in this assembly contributes to the strength and stability of the unit as a whole, or of part of the unit, or of a component. It is intended, in accordance with its requirement profile, to resist all stresses involved irrespective of whether these are static, dynamic or a combination of both, and whether or not environmental effects are to be considered. The main function of transmitting mechanical loads is to be ensured for any adhesive used and regardless of: — the strength and deformation characteristics of the adhesive used (i.e. it covers all types of adhesive, from low modulus, highly resilient to high modulus, very stiff adhesives); — the curing/hardening mechanism of the adhesive used (e.g. chemically curing, physically hardening, combined curing mechanisms, or material covered with an adhesive, such as adhesive tape) and — the sector or purpose in or for which the bonded assembly is intended to be used. This standard does not deal with bonds the manufacturing of which is otherwise covered in recognized or proven technical rules, existing approvals or other standards. DIN 2304-1 establishes definitions and sets out organizational, contractual and technical principles to be followed when manufacturing adhesive bonds.