To compare the effectiveness of two current cleaners to an identified alternative cleaner for removing asphalt and tar on road-maintenance tools and work truck beds.
Date Run:
11/15/2023
Experiment Procedure:
Three pre-weighed stainless steel coupons were assigned to each cleaner. A tablespoon of EZ Street Premium Cold Asphalt was placed on each coupon before sandwiching the contaminated coupon between two steel plates. A mid-size compact car (curb weight: 3,186lbs-3,559lbs) rolled over the steel plates five times in a forward motion to compress the asphalt to the coupons which released the oil and grease to allow the gravel to adhere to the substrate. Dirty weights of the coupons were recorded before testing the cleaners using unheated immersion for 20 minutes with a stir bar set to 200rpm. Once removed, each coupon was wiped with a paper towel to remove the dissolved soil and assess efficacy visually before taking final weights.
Trial Results:
Cleaner
Initial weight (g) of contaminate
Final weight (g) of contaminate
% Contamination Removed
% Average
Big Orange-E
2.0443
0.0032
99.84
99.14
0.0967
0.0011
98.86
0.9272
0.0120
98.71
Solvs-It
3.8234
0.0131
99.66
98.56
0.5860
0.0210
96.42
4.9101
0.0195
99.60
Kinzua Thunderbolt
0.5988
0.0016
99.73
99.08
0.1808
0.0041
97.73
0.7436
0.0016
99.78
Pave Pro Green
0.3672
0.0095
97.41
90.29
0.0893
0.0160
82.08
0.1528
0.0132
91.36
Pave Pro Gold
0.1363
0.0248
81.80
85.59
0.1010
0.0187
81.49
0.2962
0.0193
93.48
Pave Pro products will be retested to see if outliers can be removed.
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
Kinzua Thunderbolt was as effective as the two current products currently being utilized by the client.
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