National standard of nylon conveyor belt GB / t7984-2001
National standard of nylon conveyor belt GB / t7984-2001
Application: suitable for medium and long distance, high load and high speed.
Features: 1. Good elasticity, impact resistance and wear resistance.
2. Good flexibility, easy to groove.
3. No mould erosion occurred.
4. In line with the national standard gb7984-95
Varieties: according to the function of cover adhesive, it can be divided into general type, heat-resistant type, fire-resistant type, cold-resistant type, acid and alkali resistant type and oil-resistant type.
(1) Core materials: nn100, nn150, nn200, nn300, nn400
(2) Width: 100 mm-1800mm
(3) Cloth layer: 2-8 layers
(4) Masking glue: working face: 1.5-8mm non working face: 0mm-4.5mm
1. Physical and mechanical functions of cover adhesive:
Conveyor belt code for general purpose covering layer function grade tensile strength
Not less than elongation at break
%After aging for 7 h, the wear loss mm 3 ≤ 70 ℃ × 7 h,
Tensile strength and elongation at break
Change rate% MPa strong scratch type h24.0450120-25 ~ + 25 strong wear type d18.0400100-25 ~ + 25 general type l15.0350200-25 ~ + 25
·2. Bonding strength between layers:
The average value of longitudinal samples shall not be less than 4.503.23.50, and the average value of transverse samples shall not be less than 4.503.23.50, and the maximum peak value of all samples shall not be greater than 202020, and the minimum peak value of all samples shall not be less than 3.92.402.9
·3. Standard:
Working face non working face non working face non working face working face non working face 4003 ~ 44.5 3.03.0 1.55003 ~ 54.5 3.03.0 1.56003 ~ 56.0 4.5 3.03.0 1.56503 ~ 56.0 4.5 3.03.0 1.56503 ~ 56.0 4.5 1.58003 ~ 66.0 4.5 3.04.5 3.04.5 3.0 1.510003 ~ 76.0 4.5 3.04.5 3.0 1.512004 ~ 76.4.54.5 3.0 1.512004 ~ 76.4.54.5 3.0 1.514004 ~ 76.4.54.5 3.3.03.0 1.56003.1.56003 ~ 56.56003 ~ 56.0 4 ~ 56.0 0 4.54.5 3.018004 ~ 76.04.54.5 3.02004 ~ 76.04.54.53.02 2004 ~ 76.04.54.53.0
·The refractory type meets the requirements of GB 10822-89.
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