Series 1074U

Endura-Shield II

This product has been discontinued. Please contact your local sales representative for further assistance.

Generic Type

Aliphatic Acrylic Polyurethane

Common Usage

A coating highly resistant to abrasion, wet conditions, corrosive fumes and exterior weathering. High build quality combines with project specific primers for two-coat, labor saving systems. Contains a blend of ultra-violet light (UV) absorbers for enhanced color and gloss retention. Fast curing options are available; see Curing Time below. NOT FOR IMMERSION SERVICE.

Special Qualifications

Series 1074U meets the requirements of SSPC-36 (level 3) Paint Standard.

Curing Time

Temperature To Handle To Recoat Resist Moisture
95°F (35°C) 4 hours 5 hours 3 hours
75°F (24°C) 6 hours 8 hours 5 hours
55°F (13°C) 12 hours 16 hours 9 hours
35°F (2°C) 36 hours 48 hours 20 hours

Curing time varies with surface temperature, air movement, humidity and film thickness. If coating is exposed to moisture before the applicable cure parameters are met, dull, flat or spotty appearing areas may develop. Note: For faster curing and low-temperature applications, add No. 44-710 Urethane Accelerator; see separate product data sheet. Contact Tnemec Technical Services for force curing times and temperatures.

Recommended DFT

2.0 to 5.0 mils (50 to 125 microns) per coat. Note: Number of coats and thickness requirements will vary with substrate, application method and exposure. Contact your Tnemec representative.

HAPS

Unthinned Max 7% No. 39 Thin.) Max 6% No.42 Thin.) Max 5% No. 48 Thin.)
0.19 lbs/gal solids 0.19 lbs/gal solids 0.19 lbs/gal solids 0.19 lbs/gal solids

Colors

Refer to Tnemec Color Guide. Note: Certain colors may require multiple coats depending on method of application and finish coat color. When feasible, the preceding coat should be in the same color family, but noticeably different.

Finish

Gloss

Number of Components

Two: Part A and Part B

Volume Solids

66 ± 2.0% (mixed) †

Colors

Refer to Tnemec Color Guide. Note: Certain colors may require multiple coats depending on method of application and finish coat color. When feasible, the preceding coat should be in the same color family, but noticeably different.

Finish

Gloss

Volatile Organic Compounds

EPA Method 24 †

| Unthinned|| Max 7%
(No. 39 Thin.)
|| Max 6%
(No. 42 Thin.)
|| Max 5%
(No. 48 Thin.)
|
| 2.59 lbs/gal
(310 g/l) || 2.83 lbs/gal
(339 g/l) || 2.82 lbs/gal
(338 g/l) || 2.81 lbs/gal

(337 g/l) |

Theoretical Coverage

1,051 mil sq ft/gal (25.8 m²/L at 25 microns). See APPLICATION for coverage rates. †

Volume Solids

60.0 ± 2.0% (mixed) †

HAPS

Unthinned: 0.0 lbs/gallon solids
Thinned 10% (No. 10 Thinner): 0.03 lbs/gallon solids
Thinned 10% (No. 46 Thinner): 0.07 lbs/gallon solids

Theoretical Coverage

964 mil sq ft/gal (89.5 m²/L at 25 microns). See APPLICATION for coverage rates. †

Volatile Organic Compounds

Unthinned: 2.16 lbs/gal (259 grams/litre)
Unthinned: 0.63 lbs/gal (75 grams/litre) (TBAc Exempt)
Thinned 10% (No. 10 Thinner): 2.77 lbs/gal (332 grams/litre)
Thinned 10% (No. 10 Thinner): 1.60 lbs/gal (191 grams/litre) (TBAc Exempt)
Thinned 10% (No. 46 Thinner): 2.20 lbs/gal (263 grams/litre)
Thinned 10% (No. 46 Thinner): 0.69 lbs/gal (82 grams/litre) (TBAc Exempt)

Recommended DFT

Topcoat Service: 2.0 to 5.0 mils (51 to 127 microns) per coat.
Direct-to-Metal; over Zinc or MIO-Zinc: 3.0 to 6.0 mils (76 to 154 microns).
Note: Number of coats and thickness requirements will vary with substrate, application method and exposure. For DTM or applications over zinc or MIO-zinc, consult the latest version of Tnemec Technical Bulletin 13-100 or contact your Tnemec representative.

Curing Time

Temperature To Touch To Handle To Recoat
75°F (24°C) 1-2 hours 9 hours 10-12 hours

To resist moisture: 8 hours. Curing time varies with surface temperature, air movement, humidity and film thickness. Note: For faster cure in temperatures down to 35°F (2°C), add No. 44-456 Urethane Accelerator, see separate product data sheet for cure information. Note: The use of Series 44-456 accelerator is not recommended when temperatures exceed 75°F (24°C).

Number of Components

Two: Part A and Part B

Primers

Steel: Series 1, 20, FC20, 27, 27WB, 66, L69, L69F, N69, N69F, V69, V69F, 90-97, 91-H²O, 94-H²O, 104, 118, 135, L140, L140F, N140, N140F, V140, V140F, 161, 394, V530. Note: Series 118 is typically used to overcoat, sound, existing coating systems. See product data sheet for more information.
Galvanized Steel and Non-Ferrous Metal: Series 66, L69, N69, V69, 135, 1224. Note: For special galvanized surface preparation instructions, consult the latest version of Tnemec Technical Bulletin 10-78.
Concrete: Series 66, L69, L69F, N69, N69F, V69, V69F, 104, 161
CMU: 54, 130. Intermediate coat required.
Note: Before topcoating with Series 1074U, Series V530 exterior exposed for more than 24 hours must first be scarified or receive an intermediate coat of Tnemec polyamide epoxy. Recoat windows for other primers may apply. See those data sheets for additional information.

Primers

Steel: Series 1, 27, 27WB, 66, L69, L69F, N69, N69F, V69, V69F, 90-97, 90G-1K97, 91-H²O, 94-H²O, 132, 133, 135, 138, L140, L140F, N140, N140F, V140, V140F, 141, 161, 394, 1224
Galvanized Steel & Non-Ferrous Metal: 27, 66, L69, L69F, N69, N69F, V69, V69F, 161
Concrete: Series 27WB, 66, L69, L69F, N69, N69F, V69, V69F, L140, L140F, N140, N140F, V140, V140F, 141, 161, 1224, 1254
CMU: Series 1254
Note: The following maximum recoat times apply; Series L69F, 132, 133, 138, L140F or 141, 14 days; Series L69 or L140, 21 days; Series 1, 27, 27WB, 66, N69, N69F, V69, V69F, 135, N140, N140F, V140, V140F, 161, 394, 1224, 1254, 30 days; Series 90-97, 91-H²O, 90G-1K97, 94-H²O, 60 days. Contact your Tnemec representative for specific recommendations.

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