QC/T 851-2011 in English

1 Scope

This standard specifies the terms and definitions, classification and labeling, technical requirements, test methods, inspection rules as well as markings, packaging, transportation and storage of reinforcement adhesive sheet for automobile.

It is applicable to the molding panel reinforcement material for bonding the inner side of outer plates such as engine hood, door, roof, side plate and trunk (door) cover for automobile.

2 Normative references

The following referenced documents are indispensable for the application of this standard. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB/T 533 Rubber, vulcanized or thermoplastic - Determination of density
GB/T 1771 Paints and varnishes - Determination of resistance to neutral salt spray (fog)
GB/T 2790 Adhesives, 180° peel strength test method for a flexible-bonded-to-rigid test specimen assembly
GB/T 2793 Test method for nonvolatile content of adhesives
GB/T 5213 Cold rolled low carbon steel sheet and strip

3 Terms and definitions

3.1
panel reinforcement material
material composed of backing (fiber reinforced cloth or felt, aluminum foil, etc.) and sheet adhesive (adopting epoxy resin as main material), of specified shape and dimension, and firmly adhered to the inner side of the outer plate of automobile body or components after being heated and cured, which is used to reinforce the outer plate (abbreviated as PRM)

3.2
delamination
separation of two adjacent sheets due to insufficient mutual viscosity between layers of panel reinforcement materials

3.3
displace
amount of movement between the initial bonding position and the position after test of the panel reinforcement material

Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and labeling
5 Technical requirements
6 Test methods
7 Inspection rules
8 Marking, packaging, transportation and storage