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Home>Product Info>POR-15 Test Results

POR-15 Test Results

POR-15 Rust Preventive Paint Test Results

Weather Resistance 

Weatherometer - The weatherometer is perhaps the most accurate weather resistance indicator due to the cycling of conditions. The cycle is 30 mins sun at 135 degrees F, 30% relative humidity and 30 mins dark at 75-80 degrees F, 100% relative humidity1,000 hours of exposure equals 5 years of simulated exposure in the Rocky Mountain region. There was no change in 3 panels coated with POR-15 exposed for 2,000 hours.
ASTM B-117 Salt Spray - The oldest and most wildly used weather cabinet test. It introduces a spray in a closed chamber where specimens are exposed at specific locations and angles. It creates a 100% relative humidity condition in the exposure zone.

Two separate B-117 tests. One with new steel and the other with rusted steel.

  • No change in 3 panels of new steel exposed for 250 hours at 98 degrees. Thickness = 2 mils
  • No change in 3 panels of rusted steel exposed for 1000 hours at 98 degrees. Thickness = 2 mils

Estructural Strength Measures

ASTM C-580 Flexural Strength - This test method measure flexural strength and modulus of elasticity expressed in pounds per square inch.5,200 pounds per square inch
ASTM C-579 Compressive Strength - This test method measures compressive strength, the capacity of a material to withstand axially directed pushing forces.

12,500 pounds per square inch - Verified. Not tested to failure.

ASTM C-307 Tensile Strength - This test measures tensile strength of cured chemical-resistant materials..

3,200 pounds per square inch

ASTM D-4541 Bond Strength To Concrete - This test method measures the strength of a coatings bond to concrete.

Concrete fails before POR-15. It far exceeds the tensile strength of concrete

Abrasion Resistance

ASTM C-501 Taber Abraser - This industry standard for the establishment of an abrasive wear by determination of the loss of weight resulting from abrasion.

In two separate ASTM C-501 Taber Abraser tests, POR-15 had:

  1. No loss after 1,000 cycles with a 1,000 gram abraser,
  2. Loss after 10,000 cycles with 1,000 gram abraser = 0.09 grams

Chemical Resistance

Chemical Bath Test

After 200 hours of soaking in the following chemical bathes, panels coated with POR-15 experienced no changes: 10% hydrochloric acid, 50% sulphuric acid, 55% chromate, 85% phosphoric acid, 10% sodium hydroxide 98% methanol

Raw Sewage TestA metal box that houses a filter for raw sewage in a treatment facility was coated with POR-15. After a year of service no viable undercutting or rusting was present on the housing.


Impact, Porosity and Temperature Tests

Mil-D-3134J Impact ResistancePOR-15 exceeds standards in paragraph 3.15
ASTM C-413 Water Absorption - This test method covers the determination of the absorption of chemical-resistant mortars, grouts, monolithic surfacings, and polymer concretes.0.0001 maximum
NACE Stand TM01740.00 POR-15 is a non-porous coating
Temperature Resistance

POR-15 is temperature resistant up to 450 degrees. A test showed that no adhesion was lost at 450 degrees F for 10 hours