Bromobutyl
rubbers are products of butyl rubber
CAS Number
: 68441-14-5
bromination
with unsaturation of at least 1.8% mol.
It
is used in producton of tires, rubber-technical
and
medial articles.
Design TU2294-096-05766801-2000
Specification:
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PROPERTY
VALUE
TEST METHOD
BBK-232 BBK-239
BBK-246
Mooney viscosity
ML1+8(125¢XС)
28-35 36-42 43-50 para.4.2 of TU or ASTM D 1646
Bromine mass content,%
1.8-2.2 1.8-2.2 1.8-2.2 para.4.3 of TU or ASTM D 442
Ash
mass content,%, max. 0.7
0.7 0.7 para.4.4
of TU or ISO 247 or ASTM D 5667
Irganox
1076 antioxidant mass content,% 0.05
0.05
0.05
para.4.6
of TU
Loss
of mass at drying,% max
0.7 0.7
0.7
para.
4.7 of TU or
ISO 248 or ASTM D 5668
Modulus
at 300% elongation,MPa,min. 4.5
5 5
para.4.10
of TU or ISO 37 or ASTM D 412
Tensile
strength,MPa,min. 14
15
15 para.4.10 of TU or ISO
37 or ASTM D 412
Ultimate
elongation,%,min.
400
400
400
para.
4.10 of TU or ISO
37 or ASTM D 412
Supply
form:
30¡Ó1
kg bales.
Packaging:
Polyethylene film,wooden and
matal pallet boxes.
Transportation:
Product is transported by all
means of transport.
Storage:
Rubber
in pallet boxes should be stacked maximum three tiers high.Rubber in bags should
be stacked not higher than 1.2 meters.Storage in warehouses,away from direct
sun-rays,atmospheric precipitation andcontamination at temperature not higher
than 30¢XС
Information contained in this document is provided to the best of our
knowledge and is considered true as perrevision date.This
specification does not release the customer from obligation to check the product
as to its suitability for intended area of usage. We do not accept any liability
for loss and damage that may occur from the
use of this information.