Martin Engineering M4101-01/19
2
Martin
®
HD QB1™ Cleaner
Table I. Martin
®
HD QB1™ Cleaner Blade Colors, Materials and Specifications
Urethane shelf life
IMPORTANT
Urethane put in service after exceeding it’s shelf life may wear
differently and deteriorate quicker than normal urethane.
NOTE
Code Date is written near bottom of blade as mm/dd/yy-x. In
addition to or in place of this date, you may see an imprinted
date medallion similar to the example shown. In this example,
“14” stands for the year 2014. The small circles represent the
quarter of the year. If three circles are “punched” the blade
was produced in the first quarter. If none of the circles are
“punched” the blade was produced in the fourth quarter. If
code date on your blade(s) is not legible or is missing, contact
Martin Engineering or a representative.
Table II. Urethane Shelf Life
URETHANE
SELECTION
APPLICATION DESCRIPTION
TYPICAL
MATERIALS
CONTINUOUS
TEMPERATURE
Orange
Standard Martin
®
Urethane
Suitable for 80% or more of all belt cleaner
applications, including abrasive conditions.
Bauxite, Coke,
Coal, Overbur-
den Refuse
-20° to 160°F
(-29° to 71°C)
Brown
(BR)
Chemical-Resistant Urethane
Improves resistance to chemicals; reduced
absorption of water in high-moisture environments.
Limestone
-40° to 160°F
(-40° to 71°C)
Green
(GR)
High-Temperature Urethane
For exposure to intermittent temperatures up
to 350°F (177°C).
Clinker
-40° to 300°F
(-40° to 149°C)
Clear
(CL)
Low-Rigidity Urethane
For dry products such as sand and gravel.
Gravel,
Dry Sand
-20° to 160°F
(-29° to 71°C)
Navy Blue
(NB)
Low-Adhesion Urethane
For sticky or tacky materials.
Cement, Glass,
Wood Chips
-20° to 160°F
(-29° to 71°C)
14
Blade Color
Shelf Life
Blue
1 Year from Code Date
Brown
2 Years from Code Date
Clear
1 Year from Code Date
Green
2 Years from Code Date
Orange
1 Year from Code Date
Introduction
Содержание HD QB1
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