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A FRICTION REDUCTION SYSTEM FOR COATING PILES, DRILLED SHAFTS AND SHEET PILING PRIOR TO INSTALLATION IN ORDER TO REDUCE FRICTION IN CONSTRUCTION APPLICATIONS WHERE NEGATIVE SKIN FRICTION, DOWNDRAG FORCES, EASE OF INSTALLATION AND EXTRACTION ARE OF CONCERN.

ADVANTAGES

  • Reduces peripheral anomaly activity in drilled shaft construction by creating an excellent plane between the drilled shaft casing and the cast-in-place concrete.
  • Realize substantial friction reduction.
  • Reduces uplift.
  • Prolongs the life of piles, sheets and casings.
  • Durable abrasion resistance.
  • Save valuable time.
  • Improved ease of installation, and an expeditious extraction process.
  • Reduce maintenance costs.
  • Reduce tidal friction on submerged piling.
  • Better quality control of raw material selection when compared to that used in Bitumen coatings.
  • More durable than Bitumen coatings

CONSTRUCTION BENEFITS

  • More economical - fast curing allowing for more throughput per hour when compared to Bitumen coatings.
  • Water-based coating, reducing the need for fire and HAZMAT protection associated with Bitumen coatings.
  • Highly resistant to corrosion and chemicals common to construction.
  • Surfaces stay clean reducing maintenance costs.
  • Water-based, the environment is protected since toxins, chemicals, and harmful metals are not leached into the ecosystem as with bitumen coatings.
  • Excellent bond breaking characteristics.
  • Cleans up with water.
  • Waterproof in a cured state.
  • Stays in place even during hot weather conditions.
  • Bonds to pile or casing.
  • Provides excellent friction reduction between the earth and piling.
  • Durable.
  • Apply with conventional equipment.
  • Replaces bitumen coatings which are unreliable, hazardous to work with, and difficult to maintain on the pile surface during driving, especially under high temperatures.

Water-base Slickcoat being
applied to 65-foot piles.

Slickcoat cures at room
temperature. Heat may be
applied to speed up the
curing process.

  1. Fast drying time for quick turn-around
  2. No sagging of the coating
  3. *No flash rusting
  4. The water-based coating allows for quick evaporation without the fear of fires

* Sandblasted, cold rolled steel should have a flash-rust additive applied to it if left in storage for any period of time before coating. The preferred flash-rust additive, Flash Shield Rust Inhibitor 104-K, can be supplied by Plastic Maritime or purchased from UltraChem LLC (phone 713-641-4245). If purchased from UltraChem, it should be cut 30:1 with water. It will delay flash rusting for 3 to 5 days. It is specifically formulated so that Slickcoat can be applied directly over it without loss of adhesion.

Salt Spray Resistance

Item Tested:
Samples of pipe as supplied by Frank Queen-Foundation Technologies Inc.

Test Description:
8 small sections of 2-7/8 pipe sections
Sample A (1) section is black pipe. (Control sample)
Sample B (1) section is plain galvanized pipe. (Control sample)
Samples C, D, & E (3) section is black pipe with "slick coat."
Samples F, G, & H (3) section is galvanized pipe with "slick coat."

Each sample with slick coat has a different thickness of "slick coat."

Sample # "Slick Coat" Thickness (mils) Average
C 3.5 3.5 3.0 3.0 4.5 2.5 3.333
D 4.5 5.0 4.5 4.5 4.0 3.5 4.333
E 5.5 6.5 8.0 8.0 7.0 6.0 6.833
F 4.0 6.0 4.5 5.0 7.5 5.0 5.333
G 6.0 5.5 6.5 6.5 6.5 8.5 6.583
H 7.5 8.5 6.5 7.0 6.0 6.0 6.916

Type of Test:
Salt Fog Test

Tested for:
Kelly Hawkins, Hubbell Power Systems
210 N. Allen Street
Centralia, MO 65240

Applicable Standards:
ASTM B117-2009

The numbers in parenthesis are instrument control numbers. Refer to the record of performance for instrument details.

Equipment:
Autotech Salt Fog Chamber (5-3-048)
Environmental Laboratory

Procedure:
The pipe samples were placed in the Salt Fog chamber suspended on non-metallic supports as shown in the photographs. Photographs of the samples were taken initially, after 330.5 hrs, 542.2 hrs, 778.5 hrs, and at 1013.8 hrs.

Results/Photographs

Description: DSCN0128 Description: DSCN0124
Initial at startup. Samples A & B at startup.
Description: DSCN0125 Description: DSCN0126
Samples C, D, & E at startup. Samples F, G, & H at startup.

Results/Photographs

Description: DSCN0150 Description: DSCN0151
@ 330.5 hrs Sample A & B @ 330.5 hrs
Description: DSCN0152 Description: DSCN0153
Samples C, D, & E @ 330.5 hrs. Samples F, G, & H @ 330.5 hrs.

Results/Photographs

Description: DSCN0162 Description: DSCN0151
@ 542.2 hrs Samples A & B @ 542.2 hrs
Description: DSCN0163 Description: DSCN0164
Sample A @ 542.2 hrs Sample B @ 542.2 hrs

Results/Photographs

Description: DSCN0165 Description: DSCN0166
Sample C @ 542.2 hrs Samples D & E @ 542.2 hrs
Description: DSCN0167 Description: DSCN0168
Sample F @ 542.2 hrs Samples G & H @ 542.2 hrs

Results/Photographs

Description: Pipe1 Description: Pipe2
Samples A, B, & F @ 778.8 hrs Samples C, D, E, G, & H @ 778.8 hrs
Description: DSCN0210 Description: DSCN0211
Samples @ 1013.8 hrs Samples A @ 1013.8 hrs

Results/Photographs

Description: DSCN0212 Description: DSCN0213
Samples B, & C@ 1013.8 hrs Samples C, D, E, & H @ 1013.8 hrs
Description: DSCN0214 Description: DSCN0215
Samples F @ 1013.8 hrs Samples G & H @ 1013.8 hrs

Results/Photographs

Description: DSCN0216 Description: DSCN0217
Samples A @ 1013.8 hrs Samples B @ 1013.8 hrs
Description: DSCN0218 Description: DSCN0219
Samples C @ 1013.8 hrs Samples D @ 1013.8 hrs

Results/Photographs

Description: DSCN0220 Description: DSCN0221
Sample E @ 1013.8 hrs Sample F @ 1013.8 hrs
Description: DSCN0222 Description: DSCN0223
Sample G @ 1013.8 hrs Sample H @ 1013.8 hrs

Results/Photographs

Description: DSCN0224
Samples @ 1013.8 hrs

Conclusion:
The best results were obtained from Samples F, G, and H, which were hot dip galvanized before application of the Slick Coat. Samples C, D, and E performed nearly well, except in the places where the Slick Coat had been damaged / chipped. Red rust appeared on the outer diameter of the pipe where the coating had been removed. The different thickness of Slick Coat did not appear to affect the corrosion resistance of any of the samples, black or galvanized.


Footnotes:

  1. Reproduce this report in its entirety only.
  2. Test data presented is within ±3% unless otherwise specified.
  3. Sample identification was provided by the Customer Identified Above
  4. This report applies only to the item(s) tested, as representatives of currentproduct design.
  5. All instruments and recording devices used in this testing program are within a valid calibration period.
  6. All samples were new and in excellent condition when tested, except as otherwise noted in the "Item Tested:" section above.
  7. Data from tests performed for HPS shall not be released to non-HPS personnel unless it has been reviewed, converted to an S1, signed by the Laboratory Manager and Engineering Manager of the subject product line.

Adfreeze Bond Stress Reduction

Click here to download the Adfreeze Bond Stress Reduction Test Report PDF document.

Patents:
5,931,604
6,234,720 BI P
6,471,446

Foundation Technologies, Inc.
P.O. Box 491718
1400 Progress Industrial Blvd.
Lawrenceville, GA 30049
1-800-773-2368 www.foundationtechnologies.com

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