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Disclaimer
Mulch Film Product Performance
Although
our mulch film product (the “
Product
”)
ha
s
been tested
by independent laboratories as described below,
Radical Plastics, Inc. (the “
Company
”) provides only those
warranties expressly
set forth
the written
Terms of Sale
pursuant
to which the Products are sold
.
Based upon the scientific testing
detailed below
, it is our belief that our Product will
biodegrade
into biomass and carbon dioxide
in 2 years or less
when
placed in soil and
exposed to
typical North American
farming environmental conditions
; provided, however, Product biodegradability may vary
due to different
environmental
and climatic
conditions
due to natural variations, human intervention, unexpected contaminants and/or
accidents.
T
he
Company is not responsible for any
damage or
loss related to the usage and speed of degradation of the
P
roduct.
It is the
customer’s sole
responsibility to make trials and tests prior to using
our Product
in order to validate the
performance of the
Pro
duct
in
the customer’s specific
usage conditions.
The
Company’s
P
roducts
have
passed
the
following
published
standards
:
Standards
under
EN17033
umbrella:
Eco
-
toxicity
tests:
Ecotoxicological test against different organisms of trophic level:
1, Vibrio fischeri light emission inhibition
–
test on luminescent bacteria per EN ISO 11348
-
3: 2019
2, Acute toxicity test with crustaceans
–
Daphnia magna
–
48 hrs per OECD guideline n. 202: 2004
3, Fresh water green algae growth inhibition
–
72 hrs per
OECD Guideline n. 201: 2011
4, Acute toxicity test with
earth
worms
–
Eisenia fetida
–
14 days per ISO11268:1:2012
Ecotoxicological tests against terrestrial plants:
Eluate effect on plant germination and growth (19 days) in
-
house test, similar to OECD20
8
1, Tall fescue (Festuca Arundinacea),
2, San Marzano tomato (Solanum lycopersicum),
3, Rio Grande tomato (Lycopersicum esculentum) and
4
, Cress (Lepidium sativum)
Heavy
metals
tests:
ENISO 17294
-
2 (Cd, Cr, Cu, Ni, Pb, Zn), EN ISO 12846 (Hg)
Laboratory
soil respirometry testing:
M
odified
ASTM D5988
-
18 and modified
EN ISO 17556
.
Modifications:
1. Samples entering the respirometry testing were exposed to natural conditions or accelerated weathering
conditions per ASTM D5071
2. C
alculations
of soil biodegradability
were done based on oxygen uptake
and
oxidized polyethylene
Field testing:
The testing identified herein took place at several
universities and farms
and occurred over a period of
approximately
2.5 years
taking into
account
different climates
and
soil types
.
Chemical
modification
by oxidation per ASTM D6954:
Our [independent] testing has
demonstrated that our polymers reach the required carbonyl index (measured by
infra
-
red spectroscopy) and molecular weight (measured per
ASTM D6474)
to achieve biodegradation in the soil
.
Physical
properties
testing:
1.
Tensile strength and elongation per AS
TM D882
2.
Tear strength per ASTM D1922
3.
Dart impact per ASTM D1709
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