Series 108
ProBond
Generic Type
Low Stress Penetrating Epoxy Sealer
Common Usage
Series 108 ProBond is a 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 108 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. NOT FOR IMMERSION SERVICE. Formerly Series 3600 ProBond. 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.
Special Qualifications
Series 108 meets the requirements of LEED-Low-Emitting Materials, Collaborative for High-Performance Schools-Paints & Coatings, WELL Building Standard-VOC Restrictions, and Living Building Challenge–Healthy Interior Performance. Contact your Tnemec representative for more information.
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Recommended DFT
Vertical Surfaces and Steel Applications: 1.5 to 2.0 mils (40 to 50 microns)
Horizontal Surfaces and As a Concrete Primer for Epoxy Polymer Concrete: 4.0 to 6.0 mils (100 to 150 microns)
Number of Components
Two: Part A and Part B
Topcoats
Series N69, L69, V69, 132, 133, 135, 138, 297, 469, 470, 479, 1028, 1094, 1095, 1096. Note: When topcoating Series 108, 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 times apply: Series 469, 470, 479, 72 hours; Series 1028, 15 days.
Curing Time
| Temperature | To Handle | To Topcoat |
|---|---|---|
| 90°F (32°C) | 24 hours | 14 hours |
| 75°F (24°C) | 42-48 hours | 12-18 hours |
| 50°F (10°C) | 72-96 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.
Theoretical Coverage
1,584 sq ft/gal (38.8 m²/L at 25 microns). See APPLICATION for coverage rates.
Finish
High-gloss
Volatile Organic Compounds
Unthinned: 0.02 lbs/gallon (2 grams/litre)
Thinned 2.5% (No. 2 Thinner): 0.20 lbs/gallon (24 grams/litre)
Thinned 5% (No. 2 Thinner): 0.36 lbs/gallon (44 grams/litre)
Volume Solids
100% (mixed)
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