QB/T 1434-1992 Plastic extruded stretched mesh

This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of plastic extruded stretch mesh (hereinafter referred to as stretch mesh). This standard applies to plastic stretch mesh made of polyolefin resin as the main raw material through extrusion, stretching and curling. The product is mainly used for aquaculture and various commodity packaging. QB/T 1434-1992 Plastic Extruded Stretch Mesh QB/T1434-1992 Standard download decompression password: www.bzxz.net

Light Industry Standard of the People's Republic of China
Plastic extruded stretch mesh
Subject content and scope of application
QB/T 1434--92
This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of plastic extruded stretch mesh (hereinafter referred to as stretch mesh).
This standard applies to plastic stretch mesh made of polyolefin resin as the main raw material through extrusion, stretching and curling. The product is mainly used for aquaculture and various commodity packaging.
2 Reference standards
GB1040 Plastic tensile test method
GB2828 Batch inspection counting sampling procedure and sampling table (applicable to continuous batch inspection) GB2918 Standard environment for state adjustment and testing of plastic specimens 3 Terminology
3.1 The mesh number refers to the total number of grids on the circumference of the product. 3.2 Pitch (H) refers to the distance between the two diagonal nodes of the product in the longitudinal direction. 3.3 Broken ends refer to the joints wound inside the stretch mesh roll. 3.4 Broken wires
refers to the breakage of a single wire.
4 Product classification
4.1 The specifications of the stretch mesh consist of four parts: material, mesh number, pitch, and mesh diameter. 4.2 Marking
4.3 Example
xx×-[x×
100 times the upper limit of the nominal diameter of the mesh
Nominal pitch numberbZxz.net
Mesh number
Stretch mesh code
Material code
PPL.064-1615 indicates a stretch mesh made of polypropylene, with a mesh number of 64, a nominal pitch of 16mm, and an upper limit of the nominal diameter of the mesh of 0.15mm.
5 Technical requirements
5.1 Specifications
Approved by the Ministry of Light Industry of the People's Republic of China on February 21, 1992 658
Implemented on August 1, 1992
5.1.1 Mesh number
QB/T 1434—92
This standard does not make any provisions. The production unit can determine it according to the user's requirements. The inspection results should be consistent with the requirements. 5.1.2 Pitch and deviation
The nominal pitch of the stretching net is not specified in this standard. Its deviation should comply with the provisions of Table 1. Table 1
Nominal pitch (H)
Limit deviation
First-class products
Qualified products
The appearance of the stretching net should comply with the provisions of Table 2. Item
Number of sections per roll
12≤H20
First-class products
Even and consistent
Not allowed
Smooth and flat, no fuzzing
No more than 4 sections per roll, and the length of each section
is not less than 20m
5.3 The physical and mechanical properties of the stretched mesh shall comply with the provisions of Table 3. Qiu3
Wire diameter D) mm
Breaking force, N/root
Elongation at break, %
Test method
6.1 Sampling
First-class products
Qualified products
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