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)

Finish

High-gloss

Number of Components

Two: Part A and Part B

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)

Theoretical Coverage

1,584 sq ft/gal (38.8 m²/L at 25 microns). See APPLICATION for coverage rates.

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.

Volume Solids

100% (mixed)

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