SANDWICH

SANDWICH

SPECIAL WEAR SHEETING SCRAPERS

Overview

Features

Natural rubber scraper: one third black/ one third red/ one third black. Abrasion and cut resistant outer layer, providing a scraping a cleaning effect. Red damping middle layer.

Benefits

Service life Safety Cleanliness

Applications

Intended for conveyor belt cleaning of materials, such as sand, ores, coal, sludge, soil, etc.

Excellent to remove wet and sticky materials.

Areas of activity: sand and gravel quarries, aggregate and cement industries, foundries, mechanical engineeting, concrete plants, etc.

Advantages

Efficient cleaning action and uniform wear of conveyor belt
Improvement of conveyor belt service life
Flexibility

Mechanical, Physical and Chemical Properties

Mechanical

Measure characteristic

Standard

Value

Rubber compound - BlackRedBlack

R698R492R698 

Density

1.15 ±0.05

g/cm³

Hardness

ASTM D2240

60/45/60 ±5

Shore A

Tensile strength

ISO 37

≥15

MPa

Elongation at break

ISO 37

≥400

%

Tear resistance

ISO 34-1

≥35

N/mm

Abrasion resistance (5N)

ISO 4649

≤130

mm³

Compression set after 22h at 70°C

ISO 815-1

≤35

%

 

Temperature

Measure characteristic

Standard

Value

Working temperature

-40/+85

°C

 

Ageing

Measure characteristic

Standard

Value

∆ Hardness after 70h at 70°C

ASTM D573

≤5

Shore A

∆ Tensile strength after 70h at 70°C

ASTM D573

≤-15

%

∆ Elongation at break after 70h at 70°C

ASTM D573

≤-25

%

 

Chemical Resistance

Diluted acids and bases

Concentrated acids and bases

Ozone

Oils and hydrocarbons

Good

Medium

Medium

Non suitable

 

Dimensions

Thickness (mm) Width (mm) Length (m) Weight (kg/m2) Sides finish Option

10

±1.0

1400

±2%

10

±2%

11,34

2 smooth sides

-

12

±1.0

1400

±2%

10

±2%

13,31

2 smooth sides

-

15

±1.0

1400

±2%

10

±2%

16

2 smooth sides

-

20

±1.4

1400

±2%

10

±2%

22,19

2 smooth sides

-

25

±1.75

1400

±2%

10

±2%

28,5

2 smooth sides

-

Identification

Branding

Without.

Packaging

Thickness ≤6mm rolled on cardboard tube Ø 80mm.
Thickness >6mm in roll.

Wrapping

Black polyethylene film.

Labelling

Self-adhesive label indicating product name, dimensions, area in m², nominal weight, and product code to allow product traceability.

 

Downloads

Product Sheet

Product Sheet (PDF)  

Download