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Welcome to Vmeans Rubber Plastic Inc.

Specialisted Belting Supplies for Bulk Material Handling



The whole core fire-retardant conveyor belt is mainly used in coal mine. And it has the advatages of belt body with no delamination, small elongation, impact resistance, tear-resistant. It can be invided into PVC(plastic surface) and PVG(add rubber surface in the basis of PVC) which executes MT914-2002 standard.

¡ð PVC fire-retardant is suitable for the material transportation with the obliquity less than 16 degrees under the drying conditons.
¡ðPVG fire-retardant is is suitable for the wet material transportation with the obliquity less than 20 degrees.

¡¤1¡¢type N/mm (tensile strength)

grade 4 5 6 7 8 9 10
type 680s 800s 1000s 1250s 1400s 1600s 1800s


¡¤2¡¢flame retardancy£º
£¨1£©roller: surface temperature of roller is no more than 325¡æ
£¨2£©blowtorch burning: the average time of burning without flame is no more than 3.0s, the average of cover is no more than 5.0s.
£¨3£©propane burning: length without damaged is longer than 250 mm


¡¤3¡¢surface resistance£º
The average value of upper and below conver is no more than 3.0¡Á108¦¸

¡¤4¡¢safety property
The conveyor belt has passed the flame-retardant test and static test and earned the certification of coal signs and customer recognition.

¡¤5¡¢mechanical property
 Good mechanical propery, and offer the long service life and economical installation.

The longest service life: the life of belt body is decided by the factors below. The close-grained belt core made of longtitudinal and horizontal filamnets and knited cover cotton; PVC materials with unique design makes the core and cover coat form the strong adhesive strength; the cover coat with unique design makes the belt to be resistance, tear and abrasion resistance.

The product with whole core fire-retardant owns the advantages of wear-resistant, anti-static, waterproof, fire-retardant, high strength, excellent safety performance, low cost and price compared with the other fire-retardant conveyor belt. It is one of the popular fire-retardant conveyor belt at home and abroad at present. It is especially suitable for the coal mine which do not have the lage underground slope.

¡¤6¡¢product structure£º
This product adopts the whole core as the framework materials by dipping and hanging and is made of PVC materials with good anti-static, flame-retardant properties.

¡¤7¡¢tie-in property£º
According to the strength of belt bosy and structure of belt core connected by mechanical bucket, the strength can be the 50%-90% of the belt body; connected by vulcanized tie-in the strenght can be the 60%-90% of the belt body. Various connect ways of tie-in satisfied with customers to protect the security of the system and highly efficient operation.


Average value of surface resistance

¡Ü3¡Á108¦¸

Roller¡¯s attrition property

Allowed maximum temperature ¡Ü325¡æ and no phenomenon of flaming combustion or non flaming combustion.

Alcohol torch burning test

Average value ¡Ü3S (with cover), single value ¡Ü10S(with cover), average value ¡Ü5S (without cover), single value ¡Ü15S(without cover)

Propane laneway burning property

Unburned reserved length >250mm

High-energy laneway propane burning test

Whole width without damaged length >2250


Product type

Tensile strength(N/mm)

Elongation rate £¨%£©

Tearing force £¨N£©¡Ý

Lognitudinal

Transverse

Lognitudinal

Transverse

680S

680

265

15

18

1090

800S

800

280

15

18

1180

1000S

1000

300

15

18

1180

1250S

1250

350

15

18

1540

1400S

1400

350

15

18

1540

1600S

1600

450

15

18

---

1800S

1800

450

15

18

---

2000S

2000

450

15

18

---


Product type

Recommend minimum diameter of main transmission drum (mm)

680S

 400

800S

 500

1000S

 630

1250S

 750

1400S

 750

1600S

 800

1800S

 800

2000S

 1000

 
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