GB/T 30021-2013Warp knitting carbon fiber reinforcements (English PDF)

1 Scope

This standard specifies the labeling of products, raw materials, requirements, test methods, inspection rules warp carbon fiber reinforced materials, signs, packaging, transportation

Transport and storage.

This standard applies to the carbon fiber as the main raw materials, polyester fibers along the warp stitch together multi-axial warp carbon fiber reinforced materials.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein

Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 191 Packaging - Pictorial signs

GB/T 3923.1 Textiles Tensile properties of fabrics - Part 1. breaking force and elongation Strip method

GB/T 7689.3 enhancements Part 3 Test method for woven fabrics. Determination of width and length

GB/T 9914.1 Test methods of enhancing Part 1. Determination of moisture content

GB/T 9914.3 Enhanced Test methods - Part 3. Determination of mass per unit area

GB/T 14460 DTY GB/T 26752 PAN-based carbon fiber

3 Product Marking

Mechanical properties of carbon fiber products according to the level of mass per unit area, the angle of the yarn, carbon fiber felt, width and number of this standard are marked. Carbon

Code-dimensional mechanical performance levels according to GB/T 26752.

Carbon fiber code

Mechanical properties of carbon fiber level

Reinforcing material mass per unit area, g/m2

//

Yarn angle

CMW Carbon fiber felt Code, does not mean no carpet

] -

Carbon fiber felt mass unit area, g/m2

Fabric width, mm

Example 1. mass per unit area of a single layer 150g/m2, GQ45 level using carbon fiber yarn angle of 0 °, and a fabric width of 1270mm, according to the standards

Warp carbon fiber reinforced material labeled as.

Example 2. single mass per unit area of 200g/m2, GQ35 level using carbon fiber yarn angle of 45 ° and -45 °, and a fabric width of 1270mm, according to the present

Standard production warp carbon fiber reinforced material labeled as.