809Paint

Paint

809.1General

1 Based on specified ingredients, provide and use paint that is a homogeneous blend of its constituent components, stable in storage, free from grit and coarse particles, with no rosin or rosin derivatives unless specifically allowed. Unless specifically prohibited, the department will allow beneficial additives such as anti -skinning agents, anti -settling agents, or wetting aids.

2 Ensure that paint is shipped in sealed containers constructed and packed to withstand rough handling and plainly marked with contents, batch number, date of manufacture, and the manufacturer’s name and address. The engineer will reject containers received in a damaged condition.

3 Provide paints in accordance with Federal Color Standard 595 and Table 809.1-1, Paint Color Standards, ± 2 delta E units.

Table 809.1-1 Paint Color Standards Color Federal Number Tinting Compounds Blue 25053 (1) Brown 20059 (2) Gray 36595 (3) Gray Tan 20318 (4) Green 24272 (5) White 27925 –

vermillion, and quinacridone red.

(red shade), and lampblack.

phthalocyanine green (blue shade), and natural raw umber.

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4 Ensure maximum percentage by weight [mass] of lead (Pb) is no greater than 0.01 percent (100 ppm).

5 Ensure paint coatings dry to a smooth finish without visible cracking, grit, seeding, or skins.

809.2Testing and Sampling Requirements

1 Submit paint samples, for testing by the department, as follows:

a sample and will approve paint based on certification; include paint analysis test results from the supplier with certification.

either 1 qt [1 L] of pre -mixed paint or components to prepare 1 qt [1 L] of paint to the Materials Program at least 20 calendar days before use. Include with sample all test results, certifications, and transmittance IR spectra, if applicable.

Submit samples in metal, friction-top, cylindrical paint cans that are clearly marked with the batch number, quantity of the batch, type of paint, manufacturer’s name and address, project number, and the painting contractor’s name. Do not use screw top cans or plastic bottles for sample containers.

For inorganic zinc, epoxy, and acrylic latex products, submit manufacturer’s transmittance IR spectra per ASTM D 2621 for each batch of each component (vehicle, activator, etc.).

2.1Field samples. If manufacturer samples cannot be submitted, take

representative paint samples for each different paint, in the presence of the engineer, as follows:

2.1.1Use only dry, clean sample cans. Remove all debris and other

deleterious materials from the 1 qt [1 L] sample can.

2.1.2Set the paint bucket, pail, or drum to be sampled on a level, solid

surface. Remove lid carefully; waterborne paints may have ammonia float layer on top. Avoid inhaling fumes.

2.1.3Use a stirring rod/stick to check the bottom of the container for ski ns

and settlement. Remove skins. Lift any settlement off the bottom prior to remixing.

2.1.4Position the mixer and remix contents for 15 minutes to a smooth and

homogeneous consistency.

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2.1.5Remove mixer. Use a cup to dip sample from the freshly mixed paint

to fill the 1 qt [1 L] sample can to within 2 in [12 mm] of the top lip of the can. Immediately place lid on sample can and secure with four lid clips. Reattach lid on paint bucket, pail, or drum.

2.1.6Give 1 qt [1 L] sample can and documentation to the engineer

Previously tested and approved paint may be used for a period not to exceed 18 months from its most recent date of department approval or its maximum shelf life from date of manufacture, whichever is shorter . The department maintains a current list, available from the Materials Program, of pretested/approved paints that do not require samples.

809.3Ingredients

1 Provide and use paint made from ingredients in accordance with Table 809.3-1, Paint Ingredients.

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Table 809.3-1 Paint Ingredients Ingredient Specification

Inorganic Pigments titanium dioxide ASTM D 476 type II zinc dust ASTM D 520 zinc oxide ASTM D 79 french process aluminum paste ASTM D 962, class B, type II calcium carbonate ASTM D 1199, type GC, grade I chrome oxide green ASTM D 263 diatomaceous silica ASTM D 604 type A lampblack ASTM D 209 magnesium silicate ASTM D 605 max. oil absorption: 30 wet ground mica ASTM D 607

Iron Oxide Pigments natural red ASTM D 3722 (85% min. Fe2O3) synthetic red ASTM D 3721 yellow, hydrated ASTM D 768

Organic Pigments copper phthalocyanine blue ASTM D 963 phthalocyanine green ASTM D 3021 quinacridone red Federal standard 595 perylene vermillion Federal standard 595 benzimidazolone yellow Federal standard 595 natural raw umber Federal standard 595 natural burnt umber Federal standard 595 chrome yellow medium Federal standard 595

Vehicles long oil-alkyd resin solution Federal specification TT-R-266D, type I class A epoxy resin SSPC Paint No. 22 liquid type polyamide resin SSPC Paint No. 22 raw linseed oil ASTM D 234 boiled linseed oil ASTM D 260 high-solids alkyl-silicate SSPC Paint No. 20

Thinners mineral spirits ASTM D 235 manufacturer’s – Dryers liquid dryers ASTM D 600

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809.4System A— Alkyd Bridge Paint System - Vacant

809.4.2 Primer - Vacant

809.4.3 Intermediate Field Coat - Vacant

809.4.4 Alkyd Topcoat

809.4.4.1 General

1 For topcoat except gray tan, provide and use tinted, gloss alkyd paint in accordance with SSPC paint specification No. 104, type IV, as modified here. For gray tan, provide tinted, low-gloss alkyd paint provide in accordance with SSPC paint specification No. 104, type II, as modified herein. Ensure the paint is intended for brush or spray application on steel surfaces coated with primer and intermediate field coat(s).

809.4.4.2 Properties

1 Ensure the provision and use of paint having properties in accordance with Table 809.4.4-1, Properties of Alkyd Topcoat.

Table 809.4.4-1 Properties of Alkyd Topcoat

Property Value Blue Brown Gray Tan Green Density, lbs/gal [kg/L], minimum 9.1 [1.090] 9.4 [1.130] 10.7 [1.280] 9.4 [1.130] Water, percent by weight [mass] 0.5, max. Fineness of dispersion, rating 6, min. Cleanliness, Rating A, min. Flash point, ºF [ºC] 85 [30], min. Sag resistance, mils [µm] 6 [152], max. Viscosity, KU 75 to 85 Dry time (dry through) at 3.0 mils [76 µm], hours 24, max. Finish gloss at 60 °F [15.5 °C], minimum rating 60 60 30 60

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809.4.4.3 Composition

1 Ensure the provision and use of paint having composition in accordance with Table 809.4.4-2, Composition of Alkyd Topcoat.

Table 809.4.4-2 Composition of Alkyd Topcoat

Component Percent by Weight [Mass] Blue Brown Gray Tan Green

Pigment Topcoat 24.5 to 29.5 27.5 to 32.5 40.0 to 45.0 27.5 to 32.5 coarse particles and skins retained on No.

1.0, max. Extracted Component Only chrome oxide green 16.5, min. – titanium dioxide 3.2, min. – 30.0, min. 20.0 to 22.0 zinc oxide 11.2, min. 11.3-13.3 reinforcing 69.1, max. 53.7, max.

58.7, max.

68.7, max tinting compounds (2) 35.0, max.

Vehicle Topcoat 70.5 to 75.5 67.5 to 72.5 55.0 to 60.0 67.5 to 72.5 Extracted Component Only long oil-alkyd resin solution 52.0, min. 50.1, min. 52.0, min. mineral spirits and dryers 48.0, max. 49.9, max. 48.0, max.

Standards.

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809.5System B—Zinc -Rich, Epoxy, and Latex Bridge Paint System

809.5.1 Zinc-Rich Primer

809.5.1.1 General

1 Ensure the provision and use of an inorganic zinc, high-solids alkyl-silicate primer that is shop applied in accordance with manufacturer’s recommendations by brush or spray on new structural steel.

809.5.1.2 Properties

1 Ensure the provision and use of primer having properties in accordance with Table 809.5.1-1, Properties of Zinc-Rich Primer.

Table 809.5.1-1 Properties of Zinc-Rich Primer Property Value Viscosity, KU 80 to 95 Density, lb/gal [kg/L] 26.5 [3.170], min. Volatile organic content, lb/gal [kg/L] 2.8 [0.340], max. Dry time (hard), at 73 °F ±4 °F [23 °C ±2 °C] and 45 to 90 percent relative humidity, hours 1.0, max.

809.5.1.3 Composition

1 Ensure the provision and use of primer in accordance with requirements for composition specified in SSPC Paint No. 20, high-solids alkyl-silicate, type 1C inorganic zinc-rich primer and AASHTO M 300, type 1A, zinc-rich, self-curing, ready-to-mix primer. Do not use pigments with chromate.

2 Ensure the provision and use of primer having composition in accordance with Table 809.5.1-2, Composition of Zinc-Rich Primer.

Table 809.5.1-2 Composition of Zinc-Rich Primer Component Proportion Total solids, percent by weight [mass] of primer 89.0 to 93.0 Zinc dust, percent in dry film 82.0 to 86.0

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809.5.2 Epoxy Intermediate Field Coat

809.5.2.1 General

1 Provide and use two- part, epoxy polyamide paint as field primer or intermediate field coat; suitable for brush or spray application when reconstructing or over-coating existing structures.

809.5.2.2 Properties

1 Ensure the provision and use of paint having properties in accordance with Table 809.5.2-1, Properties of Epoxy Intermediate Field Coat.

Table 809.5.2-1 Properties of Epoxy Intermediate Field Coat Property Value Density, lb/gal [kg/L] 11.0 [1.320] to 14.0 [1.680] Volatile organic content, lb/gal [kg/L] 2.8 [0.340], max. Dry time (hard), hours 8.0, max. Adhesion (elcometer), lb/in2 [MPa] 400 [2.8], min.

809.5.2.3 Composition

1 E nsure the provision and use of e poxy i ntermediate field c oat in accordance with requirements for composition specified in SSPC Paint No. 22 for intermediate coat.

2 Ensure the epoxy intermediate field coat consists of a two-part epoxy, including the following:

biphenol A and epichlorhydrin with the terminal epoxide group and

condensation product of dimerized fatty acids and polyamines.

3 Ensure the provision and use of paint having composition in accordance with Table 809.5.2-2, Composition of Epoxy Intermediate Field Coat.

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Table 809.5.2-2 Composition of Epoxy Intermediate Field Coat Component Percent by Weight [Mass] V olatile compounds (solvents, etc.) 20.0, max. Nonvolatile (NV) film-forming solids (pigment and binder) Natural or synthetic red iron oxide (pigment) 10.0, min. 80.0, min. Magnesium silicate (extender pigment) 8.0, min. Wet ground mica (extender pigment) 3.0, min. Base component solids (vehicle binder) (NV solids- pigment)

809.5.3 Latex Topcoat

1 Provide and use an industrial, single-component, ready-to-use, semi-gloss, 100 percent acrylic latex, waterborne-type paint in accordance with Subsection 809.8, Latex Emulsion Paint.

809.6Aluminum Paint

809.6.1 General

1 Provide and use a ready-mixed, polyurethane aluminum paint intended for use as a field topcoat suitable for spray or brush application over previously applied primer.

809.6.2 Properties

1 Provide and use paint having properties in accordance with Table 809.6.2-1, Properties of Aluminum Paint.

Table 809.6.2-1 Properties of Aluminum Paint Property Value Dry time to touch 120 minutes, max. Dry hard 8 hours, max. Adhesion 600 psi, min. Solids by volume 59 to 69%

809.6.3 Composition - Vacant

809.7White Paint - Vacant

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809.8Latex Emulsion Paint

809.8.1 General

1 Provide and use an acrylic latex emulsion paint intended for use as a field topcoat and suitable for brush or spray application over previously applied primer on concrete, masonry, and metal. Provide and use paint in accordance with SSPC Paint No. 24.

809.8.2 Properties

1 Ensure the provision and use of paint having properties in accordance with Table 809.8.2-1, Properties of Latex Emulsion Paint.

Table 809.8.2-1 Properties of Latex Emulsion Paint Property Value Density, lbs/gal [kg/L] Varies with color Hiding power (contrast ratio), unitless 0.95, min. Viscosity, KU 75 to 110 Dry time (set to touch), hours 2.0, max. Dry time (hard), hours 12.0, max.

809.8.3 Composition

1 Ensure the provision and use of paint having composition in accordance with Table 809.8.3-1, Composition of Latex Emulsion Paint.

Table 809.8.3-1 Composition of Latex Emulsion Paint

Component Percent by Weight [Mass] Gray, White Blue, Brown, Gray Tan, Green Emulsion Nonvolatile solids 50.0, min. 36.0, min. Vehicle varies with color Pigment varies with color Extracted Pigment Component Only titanium dioxide 18.4, min. varies with color zinc oxide 33.3, min. reinforcing and tinting compounds (1) 48.3, max.

in accordance with Table 809.1-1, Paint Color Standards.

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809.9Epoxy Mastic Paint

809.9.1 General

1 Provide and use a two-part, one coat, high build, self-priming, modified aluminum epoxy mastic paint intended for use as a field topcoat that is suitable for brush application over inorganic or organic zinc primers, rusted steel, aged alkyd coatings, epoxy coatings, and tightly adhering epoxy-coal tar coatings. Ensure paint contains rust inhibitors that effectively control undercutting and is aluminum colored, well ground and not caked, skinned, or settled in the container; supply as a two part package with a 1:1 volumetric mix ratio.

809.9.2 Properties

1 Ensure the provision and use of paint having properties in accordance with Table 809.9.2-1, Properties of Epoxy Mastic Paint.

Table 809.9.2-1 Properties of Epoxy Mastic Paint Property Value Viscosity cP [Pa•sec] 8000 [8.0] to 16,000 [16.0] Density, lb/gal [kg/L] 10.0 [1.200] to 15.0 [1.800] Volatile organic content, lb/gal [kg/L] 2.8 [0.340], max. Dry time (hard), hours 24.0, max. Adhesion (elcometer, lb/in2 [MPa] 400 [2.8], min. Pot life at 77 °F [25 °C], hours 4.0, min. Shelf life, months 12.0, min. Film build (1), visible evidence of runs or sage, percent 0.0, max. Mandrel/bent plate (2), visible evidence of cracking or loss of adhesion, percent 0.0, max. Salt fog exposure (3), pinpoint rusting or ⅛-inch [3 mm] blisters, percent 5.0, max. Salt fog exposure (3), undercutting from the scribe, millimeter 6.0, max.

[254 µm] wet-film thickness.

°F±5 °F [25 °C ±3 °C]; coated panel uniformly bent around 7.875 inch [200 mm] diameter mandrel.

mm] vertical scribe in middle of panel; panel exposed to 10 percent salt fog at 104 ° F [40 ° C] for six months.

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809.9.3 Composition

1 Ensure the provision and use of paint having composition in accordance with Table 809.9.3-1, Composition of Epoxy Mastic Paint, for the base and curing agent combined.

Table 809.9.3-1 Composition of Epoxy Mastic Paint Component Proportion Total solids, percent by weight [mass] 87.5, min. Total solids, percent by volume 88.0, min. Aluminum paste, percent by volume 6.0, min.

809.10System C - Zinc-Rich, Epoxy and Aliphatic Polyurethane Bridge Paint

System.

.1 General

1 Ensure primers meet the following:

.1.1 Universal Primer

1 Provide and use universal primer for use as field coat over previously coated or bare surface structures; may be used over properly prepared painted or bare surfaces; properties in accordance with Table 809.10.1-1, Properties of Universal Primer:

Table 809.10.1-1 Properties of Universal Primer Property Value Percent solids (by weight) 65 to 75% Dry to touch 60 minutes, max. Dry hard 8 hours, max. VOC 450 g/l, max.

.1.2 Zinc-Rich Primer

1 Provide and use primer having properties in accordance with Subsection 809.5.1, Zinc- Rich Primer.

.2 Epoxy Intermediate Field Coat

1 Provide and use intermediate field coat having properties in accordance with Subsection 809.5.2, Epoxy Intermediate Field Coat.

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.3 Aliphatic Acrylic Polyurethane Topcoat

.3.1 General

1 Provide and use an Aliphatic Acrylic Polyurethane paint intended for use as a field applied topcoat.

.3.2 Properties

1 Provide and use paint having properties in accordance with Table 809.10.3.2- 1 Properties of Aliphatic Acrylic Polyurethane Topcoat.

Table 809.10.3.2.-1 Properties of Aliphatic Acrylic Polyurethane Topcoat Property Value Density Varies by color Viscosity 75 – 110 KU Pigment content Varies by color Dry to touch 120 minutes, max. Dry hard 8 hours, max. VOC 375 g/l, max. Color < 2 delta E from Federal Color Standard 595 color specified in Table 809.1-1, Paint Color Standards