Series 109
ProBond
Generic Type
Low Stress Penetrating Epoxy Sealer
Common Usage
Series 109 ProBond is a lower-temperature curing, thin-film, low-stress, epoxy designed to adhere to a multitude of substrates, including old finishes, and is frequently used as an overcoating primer. Series 109 is solvent-free and is applied at a low film thickness to reduce stress and weight on old tightly adhered coatings creating a foundation to accept high-performance epoxy and polyurethane finishes. Also used, when specified, as the primer under Lavacrete polymer concrete epoxy toppings. Note: Adhesion analysis of old finishes and test patches are recommended before overcoating a structure. Reference the latest version of Tnemec Technical Bulletin 98-10 for more information.
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Topcoats
Series N69, L69, V69, 132, 133, 135, 138, 469, 470, 479, 1028, 1094, 1095, 1096. Note: When topcoating Series 109, a maximum recoat time applies: at 90°F (32°C), 15 days, at 75°F (24°C), 30 days, at 50°F (10°C), 30 days. Note: The following maximum recoat time applies: Series 469, 470, 479, 72 hours; Series 1028, 15 days.
Number of Components
Two: Part A and Part B
Volatile Organic Compounds
Unthinned: 0.15 lbs/gallon (18 grams/litre)
Thinned 2.5% (No. 2 Thinner): 0.32 lbs/gallon (38 grams/litre)
Thinned 5% (No. 2 Thinner): 0.48 lbs/gallon (58 grams/litre)
Curing Time
| Temperature | To Handle | To Topcoat |
|---|---|---|
| 75°F (24°C) | 18-24 hours | 8-12 hours |
| 50°F (10°C) | 36-48 hours | 24-36 hours |
| 40°F (4°C) | 48-72 hours | 36-48 hours |
ProBond may be topcoated as soon as it has become dry to touch or up to the maximum time to topcoat as listed above. The early-stage application does not denote or imply that the coating is hard enough for handling or moving, or that it has sufficient resistance to staging or equipment damage.
Finish
High-gloss
Volume Solids
100% (mixed)
Recommended DFT
1.5 to 2.0 mils (40 to 50 microns)
Theoretical Coverage
1,584 sq ft/gal (38.8 m²/L at 25 microns). See APPLICATION for coverage rates.
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