| Test Method |
Description |
Typical Results |
| Military Standard 810B Method
508 |
Mildew & Fungus Resistance |
No Growth of Mildew
or Fungus |
| ASTM D1308 |
Chemical Resistance |
Regent |
Concentration |
Discoloration |
Softening |
| |
|
Hydrochloric Acid |
37% |
considerable |
slight |
| |
|
Clorox Bleach |
undiluted |
none |
none |
| |
|
Mineral Spirits |
100% |
none |
none |
| |
|
Lacquer Thinner |
100% |
none |
considerable |
| |
|
Fuel Oil No.2 |
100% |
none |
none |
| |
|
Gasoline |
100% |
none |
slight |
| |
|
Ethyl Alcohol |
undiluted |
none |
moderate |
| |
|
Sodium Hydroxide |
20% |
none |
slight |
| |
|
Ammonium Hydroxide |
29% |
none |
none |
| |
|
Acetic Acid |
5% |
none |
slight |
| ASTM 108 modified for vertical
surface |
Fire performance of an exterior
wall system |
Pass: *G Tech
Finishing Coat did not contribute to horizontal flame spread; did not
cause vertical flame spread beyond height of specimen. *Intact finishing
coat and reinforcing fiberglass mesh layers were capable of preventing
flame intrusion into wall cavity. |
| UBC 17-6 |
Fire performance of a multistory
exterior insulation system |
G Tech finishes met
all acceptance criteria. |
| UL 723 (ASTM E84) |
Test for surface burning
characteristics of materials |
0=value for flame
spread
0=value for smoke development |
| ASTM D968 |
Abrasion resistance |
600 litres of
sand-no effect; wt. loss less than 17.5mg |
| ASTM B117 |
Sa;t-spray (fog) resistance |
1000hrs. - no
deleterious effect |
| ASTM G26 |
Accelerated weathering |
2000hrs. - no
cracking, flaking, or deleterious effect |
| ASTM G23 |
Accelerated weathering |
2000hrs. - no
cracking, flaking, or deleterious effect |
| ASTM G53 |
Accelerated weathering |
2000hrs. - no
cracking, flaking, slightly whitening |
| ASTM G297 (to 3 different
substrates) |
Bond strengths |
20.9 psi on
1/4" cement asbestos board
13.8 psi on
1/2" water resistant gypsum sheating
25.1 psi on
concrete |
| FTMS 406, Method 1074 (2lb steel
ball) |
Impact resistance |
96 inches-pounds
without cracking or delaminating |
| ASTM D2794 (steel cylinder) |
Impact resistance |
60 inches-pounds
without cracking or delaminating |
| ASTM E695 (Leather bag with lead
shot) |
Impact resistance |
Drop of 6 ft.
between studs results in no cracking or delaminating |
| ASTM E330 (4" thick EPS
foam) |
Resistance to winloading |
100lbs per sq. ft.
positive and negative loads without delaminating |
| 1 cycle of 8 hrs. water soak at
75F, then freezing 16 hrs. at 0F |
Freeze/thaw stability of cured
system |
75 cycles with no
effect |
| 1-8 hrs. cycle each: air drying
at 120F and water soak at 70-80F; then freezing 16 hrs. at -20F |
Freeze/thaw stability of cured
system |
10 cycles with no
effect |
| ASTM C355 |
Water vapor transmission |
52 grains an hour
per sq. ft., or 118 perms |
| Fed Spec. TT-C-5558 Parag.
4.4.7. |
Wind-driven rain resistance |
No signs of moisture
after 28 hrs. Total weight gain of 0.06lbs |
| FTMS 141a. Method 6201 |
Moisture resistance/humidity
test |
1000 hrs. with no
deleterious effects |