high quality NN conveyor belts from China

Ring fabric core conveyor belt/ grain conveyor belt/ ordinary rubber conveyor belt /polyester conveyor belt /nylon conveyor belt

Ⅰ:Qingdao Lianzhong Implementation Standard

Lateral determination of tensile stress-strain properties of vulcanized rubber or thermoplastic Zen rubber (eqv ISO 37:1994)

GB/T 2941-1991(eqv ISO 471,1983)

Standard depression, diffusivity and time for environmental regulation and testing of rubber samples (eqv ISO 471, 1983)

GB/T 3512-1983

Rubber rubber rubber hot air aging test method

GB/T 3690-1994 (eqv ISO 283:1990)

Method for lateral determination of tensile strength and elongation of fabric core Hansen tape (eqv ISO 283:1990)

GB/T 4490-1994 (eqv ISO 251:1987)

Gift tape dimensions GB/T 4490-1994 (eqv ISO 251:1987)

GB/T 5752-1992(neq ISO 433:1991)

GB/T 5752-1992 Drainage Belt Mark (neq ISO 433:1991)

GB/T 6759-1986(eqv ISO/DP 252:1985)

Lateral determination of interlaminar bonding strength of handed tape GB/T 6759-1986 (eqv ISO/DP 252:1985)

GB/T 7983-1987

Test method for grooving property of handed belt GB/T 7983-1987

GB/T 9867- 1988(neq ISO 4649:1985)

Side-setting of abrasion resistance of vulcanized image rubber GB/T 9867-1988 (Rotary Roller Abrasion Machine Method) (neq ISO 4649:1985)

HG/T 3056-1986(1997)

HG/T 3056-1986 (1997) General rules for conveyor belt storage and transportation

Ⅱ:Material specifications, specifications and models are as follows: special specifications need to be customized

Specifications	NN100	NN150	NN200	NN250	NN300	NN400	NN500	NN600
Longitudinal tension ≧	125	175	230	285	335	415	545	655

Performance Level of Covering Rubber GB/T9770

Grade code	tensile strength ≧MP a	Elongation at break ≧%	Wear volume ≧㎜3
D	18	400	90
H	25	450	120
L	15	350	150
P	14	350	200
Note: D-strength wear working conditions; H-strong splitting working conditions; L-general working conditions; P-heat, oil, acid, alkali, cold and general flammable conveyor belts

Ⅲ:Introduction to Classification

Whole Core Belt: Hangseng Belt with integral fabric as core. Whole fabric is made up of multi-layer warp and weft threads and interlaced with each other in weaving or combined with other joining threads.

Single Core Belt: A fabric conveyor belt with a core consisting of a layer of fabric.

Double Core Belt: A handy belt with a core consisting of two layers of fabric and two layers of fabric bonded together by a middle layer of elastomer thick enough.

Multilayer Core Belt: A conveyor belt with a core consisting of multilayer fabrics and adjacent fabrics withered together by an elastomer intermediate layer.

Ⅳ: Use of Rubber Layer:

（1）: Protect the strong layer of the built-in skeleton to avoid being damaged by conveying materials.

（2）: According to the properties of different materials, adjusting the properties of rubber layer is more effective to ensure the use of conveyor belts and prolong the service life.

Ⅴ:Strong Skeleton Layer Uses:

（1）: Provide the rigidity of the supporting material of the conveyor belt.

（2）: Effectively guarantee the weight of the supporting materials and provide effective transportation capacity.

（3）: Effectively ensure the production safety of conveying materials.

Ⅵ:Qingdao Lianzhong has devoted itself to rubber conveyor belt industry for many years. It has cooperated with Qingdao Institute of Chemical Engineering, known as China Rubber Silicon Valley, and the National Key Rubber and Plastic Laboratory, which meets the requirements of the Ministry of Education, to ensure the quality and stability of products, and to continuously improve its technical strength to meet customer requirements and better serve the public.

Qingdao L&Z Conveying System Co.,Ltd

Web: http://en.qdshusongdai.com/

Tel: +86-0532-66090053

WhatsApp:+86-151-6603-1004

Email: qdlzbelt@hotmail.com

Add: Yanjialing Industrial Park ,

Jimo District,Qingdao City,Shandong Province,China