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Heat Seal Coatings

Heat Seal Coatings are thermoplastic coatings used as adhesives to seal one substrate to another.  The coating is typically applied to a flexible substrate, such as film, foil, paper, or non-woven material, and allowed to dry.  The coated substrate does not exhibit tackiness at room temperature and can be shipped to another destination for heat sealing onto another substrate.  This final sealing is formed between the substrate that the coating was applied to, and the substrate that the coating is sealed to, when the adhesive is reactivated using heat and pressure.

Dow manufactures a full line of water-based and solvent-based heat seal coatings for multiple packaging applications, including flexible packaging.  Commonly, heat seal coatings are used to create flexible lids for food packaging containing items, such as vegetables, meat, cheese, condiments, and dairy.  Some heat seal options which comply with the appropriate FDA 21 CFR regulations are also used for lidding onto retortable and ovenable containers.

Non-food contact applications include in-mold labeling for food, beverage, and household packaging.  Medical instrument packaging, pharmaceutical blister packaging, and some industrial applications also make use of heat seal adhesives. Dow offers multiple grades of heat seal adhesives to suit most common coating application methods, including gravure, flexographic, reverse roll, slot die, air knife, and wire wound rods.  Dow's full offering of heat seal coatings is listed below. 
Find A Heat Seal Coatings Solution
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Product Name Family Application Method Supplied Solids Viscosity Coating Weight Coreactant Mix Ratio Details Regulations Markets Applications Benefits
ADCOTE™ HS 36X101 Heat Seal Coatings Gravure 34 % 350 cPs @ 77 °F 2.0-4.0 lbs/ream - - FDA Regulation 21 CFR176.180,FDA Regulation 21 CFR176.170,FDA Regulation 21 CFR175.300,FDA Regulation 21 CFR175.105,FDA Regulation 21 CFR177.1210 Medical & Pharmaceutical Blister Packs,Medical and Pharmaceutical Packaging Good Clarity,Adhesion to Foil and Metallized Films,Low Activation Temperature,Peelable Bonds
ADCOTE™ 1217D Heat Seal Coatings,Solvent-Based Adhesives,Primers Gravure, Reverse roll, Slot die, Wire Wound Rods 17% 19 sec, #2 Zahn cup 2.0-6.0 lbs/ream Coreactant F, Cat F, Coreactant 9L10, Cat CT 100:2 with Coreactant F FDA Regulation 21 CFR177.1395,FDA Regulation 21 CFR175.320,FDA Regulation 21 CFR177.1630,FDA Regulation 21 CFR175.105,FDA Regulation 21 CFR177.1390 Food,Medical & Pharmaceutical,Industrial Sail and Fabric,Retort Pouches,Agricultural Chemicals,Medical and Pharmaceutical Packaging,General Industrial UV Resistance,Grease and Oil Resistance,Moisture Resistance,High Heat Resistance,Adhesion to Foil and Metallized Films,High Chemical Resistance,High Green Bonds,High Bond Strength
ADCOTE™ 3220 Heat Seal Coatings,Solvent-Based Adhesives,Primers Air knife, Gravure, Reverse roll, Slot die 19-21 % 75-500 cPs 2.0-6.0 lbs/ream Coreactant F, Coreactant 9L10, Coreactant CT 100:1.8 for Coreactant F, 100:1.4 for Coreactant 9L10, 100:1.4 for Coreactant CT FDA Regulation 21 CFR175.105 Home & Personal Care,Industrial Sail and Fabric,Agricultural Chemicals,General Industrial UV Resistance,High Heat Resistance,Adhesion to Foil and Metallized Films,High Chemical Resistance,High Bond Strength
ADCOTE™ 33R4G Heat Seal Coatings Gravure, Wire Wound Rods 27 % 300-600 cPs @ 125 °F 3-5 lbs/ream - - FDA Regulation 21 CFR176.180,FDA Regulation 21 CFR176.170,FDA Regulation 21 CFR175.300,FDA Regulation 21 CFR175.105,FDA Regulation 21 CFR177.1210 Food Condiment Packaging,Portion Packs Adhesion to high slip films,Good Clarity,Moisture Resistance,Adhesion to Foil and Metallized Films,High Chemical Resistance,Peelable Bonds
ADCOTE™ 35D9 Heat Seal Coatings,Primers Gravure 30 % 500 cPs @ 77 °F 0.5-4.0 lbs/ream - - FDA Regulation 21 CFR176.180,FDA Regulation 21 CFR177.1630,FDA Regulation 21 CFR176.170,FDA Regulation 21 CFR175.300,FDA Regulation 21 CFR175.105,FDA Regulation 21 CFR177.1210,FDA Regulation 21 CFR178.1005 Food,Medical & Pharmaceutical,Industrial Agricultural Chemicals,Medical and Pharmaceutical Packaging,Condiment Packaging,Portion Packs,General Industrial Grease and Oil Resistance,Moisture Resistance,Adhesion to Foil and Metallized Films,High Chemical Resistance
ADCOTE™ 35K1E Heat Seal Coatings Gravure 40 % 2,000 cPs @ 77 °F 3.0-3.5 lbs/ream - - FDA Regulation 21 CFR175.320,FDA Regulation 21 CFR176.180,FDA Regulation 21 CFR176.170,FDA Regulation 21 CFR175.300,FDA Regulation 21 CFR175.105 Food Condiment Packaging,Portion Packs Grease and Oil Resistance,Moisture Resistance,Adhesion to Foil and Metallized Films,High Chemical Resistance
ADCOTE™ 37-220 Heat Seal Coatings Air knife, Flexo, Gravure 31 % 250-1,200 cPs 0.5-5.0 lbs/ream - - FDA Regulation 21 CFR177.1395,FDA Regulation 21 CFR176.180,FDA Regulation 21 CFR176.170,FDA Regulation 21 CFR175.105,FDA Regulation 21 CFR177.1390,FDA Regulation 21 CFR177.1330 Food,Medical & Pharmaceutical,Industrial Agricultural Chemicals,Medical and Pharmaceutical Packaging,Condiment Packaging,Portion Packs,General Industrial Grease and Oil Resistance,Moisture Resistance,Adhesion to Foil and Metallized Films,High Chemical Resistance,Low Odor,Peelable Bonds
ADCOTE™ 37JD1198 Heat Seal Coatings Air knife, Gravure, Wire Wound Rods 45 % 100 cPs @ 77 °F 5.0-7.5 lbs/ream - - FDA Regulation 21 CFR175.320,FDA Regulation 21 CFR176.180,FDA Regulation 21 CFR177.1630,FDA Regulation 21 CFR176.170,FDA Regulation 21 CFR175.300,FDA Regulation 21 CFR175.105 Medical & Pharmaceutical Medical and Pharmaceutical Packaging Moisture Resistance,Good Porosity,Low Activation Temperature
ADCOTE™ 37P295BW Heat Seal Coatings Gravure, Wire Wound Rods 40 % 75 cPs @ 77 °F 2.0-4.0 lbs/ream - - FDA Regulation 21 CFR175.320,FDA Regulation 21 CFR176.180,FDA Regulation 21 CFR177.1630,FDA Regulation 21 CFR176.170,FDA Regulation 21 CFR175.300,FDA Regulation 21 CFR175.105 Food,Industrial Blister Packs,Meat and Cheese Packaging,Snack Food Packaging,Confectionary Packaging,In-mold Label,General Industrial Good Clarity,Low Activation Temperature,Low Odor,Peelable Bonds
ADCOTE™ 37P295HV-BW Heat Seal Coatings Gravure, Wire Wound Rods 40 % 1,000 cPs 1.5-2.0 lbs/ream - - FDA Regulation 21 CFR175.320,FDA Regulation 21 CFR176.180,FDA Regulation 21 CFR177.1630,FDA Regulation 21 CFR176.170,FDA Regulation 21 CFR175.300,FDA Regulation 21 CFR175.105 Food,Home & Personal Care,Medical & Pharmaceutical,Industrial Blister Packs,Cosmetic Packaging,Snack Food Packaging,Confectionary Packaging,Medical and Pharmaceutical Packaging,General Industrial Adhesion to high slip films,Low Activation Temperature,Low Odor,Peelable Bonds
ADCOTE™ 37R345-PS Heat Seal Coatings Air knife, Gravure 45 % 400 cPs @ 77 °F 2.0-5.0 lbs/ream - - FDA Regulation 21 CFR176.180,FDA Regulation 21 CFR177.1630,FDA Regulation 21 CFR176.170,FDA Regulation 21 CFR175.300,FDA Regulation 21 CFR175.105 Medical & Pharmaceutical Medical and Pharmaceutical Packaging Moisture Resistance,Good Porosity,Low Activation Temperature,Low Odor,Peelable Bonds
ADCOTE™ 37R972 Heat Seal Coatings Gravure, Wire Wound Rods 45 % 150 cPs @ 77 °F 1.5 lbs/ream for coating, 3.0 lbs/ream for lidding structures - - FDA Regulation 21 CFR175.320,FDA Regulation 21 CFR176.180,FDA Regulation 21 CFR177.1630,FDA Regulation 21 CFR176.170,FDA Regulation 21 CFR175.300,FDA Regulation 21 CFR175.105 Food,Home & Personal Care,Industrial Bottle Labels,Shrink Labels,General Industrial Good Clarity,Low Activation Temperature,Low Odor,Peelable Bonds
ADCOTE™ 37T77-X Heat Seal Coatings Gravure 34–36% 20–350 cPs at 25°C 2.5–4.0 lb/ream, 4.1–6.5 g/m2 - - FDA Regulation 21 CFR175.300 Food,Industrial Blister Packs,Meat and Cheese Packaging,Condiment Packaging Grease and Oil Resistance,High Bond Strength
ADCOTE™ 3840D Heat Seal Coatings,Primers Air knife, Gravure, Reverse roll 40% - 2.0-6.0 lbs/ream Coreactant F 100:3.2 for Coreactant F FDA Regulation 21 CFR175.320,FDA Regulation 21 CFR175.300,FDA Regulation 21 CFR175.105,FDA Regulation 21 CFR177.1390 Food,Medical & Pharmaceutical,Industrial Medical and Pharmaceutical Packaging,Condiment Packaging,Microwave Packaging,General Industrial UV Resistance,High Heat Resistance,Adhesion to Foil and Metallized Films,High Chemical Resistance
ADCOTE™ 40-3E Heat Seal Coatings Gravure 35 % 400 cPs @ 77 °F 4.0-5.0 lbs/ream - - FDA Regulation 21 CFR176.180,FDA Regulation 21 CFR176.170,FDA Regulation 21 CFR175.300,FDA Regulation 21 CFR175.105,FDA Regulation 21 CFR177.1210 Food Retort Pouches,Frozen Food Packaging,Condiment Packaging,Microwave Packaging Grease and Oil Resistance,Moisture Resistance,High Heat Resistance,Adhesion to Foil and Metallized Films,High Chemical Resistance,Peelable Bonds
ADCOTE™ 40-51NEF Heat Seal Coatings Gravure 30.5 % 175 cPs @ 77 °F 3.5-4.0 lbs/ream - - FDA Regulation 21 CFR176.180,FDA Regulation 21 CFR176.170,FDA Regulation 21 CFR175.300,FDA Regulation 21 CFR175.105 Food Condiment Packaging,Portion Packs Moisture Resistance,High Chemical Resistance,Peelable Bonds
ADCOTE™ 50C12 Heat Seal Coatings Gravure, Reverse roll, Smooth roll transfer, Wire Wound Rods 22 % 100 cPs 0.5-0.7 lbs/ream for priming, 2.0-4.0 lbs/ream for coating - - FDA Regulation 21 CFR175.320,FDA Regulation 21 CFR176.180,FDA Regulation 21 CFR176.170,FDA Regulation 21 CFR175.300,FDA Regulation 21 CFR175.105,FDA Regulation 21 CFR177.1310 Food,Home & Personal Care,Medical & Pharmaceutical,Industrial Agricultural Chemicals,Medical and Pharmaceutical Packaging,Condiment Packaging,General Industrial Grease and Oil Resistance,Moisture Resistance,Adhesion to Foil and Metallized Films,Low Odor,Peelable Bonds
ADCOTE™ 50C35 Heat Seal Coatings Gravure, Smooth roll transfer 34 % 3,500 cPs 1.0-1.5 lbs/ream - - FDA Regulation 21 CFR175.320,FDA Regulation 21 CFR176.180,FDA Regulation 21 CFR176.170,FDA Regulation 21 CFR175.300,FDA Regulation 21 CFR175.105,FDA Regulation 21 CFR177.1310 Food,Home & Personal Care,Medical & Pharmaceutical,Industrial Agricultural Chemicals,Medical and Pharmaceutical Packaging,Condiment Packaging,General Industrial Grease and Oil Resistance,Moisture Resistance,Adhesion to Foil and Metallized Films,Low Odor
ADCOTE™ 7640 Heat Seal Coatings,Solvent-Based Adhesives,Primers Air knife, Gravure, Reverse roll 44-46 % 2,300-3,700 cPs 2.0-6.0 lbs/ream - - FDA Regulation 21 CFR175.320,FDA Regulation 21 CFR176.180,FDA Regulation 21 CFR176.170,FDA Regulation 21 CFR175.300,FDA Regulation 21 CFR175.105,FDA Regulation 21 CFR177.1390 Home & Personal Care,Industrial General Industrial Adhesion to Foil and Metallized Films,Peelable Bonds
ADCOTE™ HS 33-191 Heat Seal Coatings Gravure, Smooth roll transfer 33% 250-550 cps at 125 F 1-2 ppr NA NA - Home & Personal Care,Medical & Pharmaceutical,Industrial In-mold Label Good Clarity,Adhesion to Foil and Metallized Films,Low Activation Temperature
ADCOTE™ HS 33-193 Heat Seal Coatings Gravure, Smooth roll transfer 25 % 70-150 cPs (Brookfield @ 25 °C) 3.5-5.0 lbs/ream - - FDA Regulation 21 CFR175.320,FDA Regulation 21 CFR176.180,FDA Regulation 21 CFR176.170,FDA Regulation 21 CFR175.300,FDA Regulation 21 CFR175.105,FDA Regulation 21 CFR177.1210 Food,Home & Personal Care,Industrial Coffee Bags and Pouches,Snack Food Packaging,Confectionary Packaging,Shrink Labels,Condiment Packaging,In-mold Label,General Industrial Adhesion to high slip films,Low Activation Temperature,Peelable Bonds
ADCOTE™ HS 33-213 Heat Seal Coatings Gravure 35 % 500 cPs @ 77 °F 3.5-4.5 lbs/ream - - FDA Regulation 21 CFR176.180,FDA Regulation 21 CFR177.1630,FDA Regulation 21 CFR176.170,FDA Regulation 21 CFR175.300 Food Condiment Packaging,Portion Packs,Microwave Packaging Grease and Oil Resistance,Moisture Resistance,Adhesion to Foil and Metallized Films,High Chemical Resistance,Peelable Bonds
MOR-AD™ M-800 Heat Seal Coatings Reverse roll 30 % 250 +/- 75 cps, Spindle #1 20 rpm 75 F .8-2 ppr - - - Food,Medical & Pharmaceutical,Industrial Retort Pouches,Hot Fill Pouches,Medical and Pharmaceutical Packaging,Condiment Packaging,Portion Packs,Microwave Packaging,General Industrial Grease and Oil Resistance,Moisture Resistance,High Heat Resistance,Adhesion to Foil and Metallized Films,High Chemical Resistance,High Bond Strength
MOR-AD™ M-805 Heat Seal Coatings Gravure, Reverse roll 15 % 50-450 cPs @ 25 °C 0.8-2.0 lbs/ream - - FDA Regulation 21 CFR177.1395,FDA Regulation 21 CFR176.180,FDA Regulation 21 CFR176.170,FDA Regulation 21 CFR175.300,FDA Regulation 21 CFR175.105,FDA Regulation 21 CFR177.1390 Food,Medical & Pharmaceutical,Industrial Retort Pouches,Hot Fill Pouches,Medical and Pharmaceutical Packaging,Condiment Packaging,Portion Packs,Microwave Packaging,General Industrial Grease and Oil Resistance,Moisture Resistance,High Heat Resistance,Adhesion to Foil and Metallized Films,High Chemical Resistance,High Green Bonds
ROBOND™ HS 30004 Heat Seal Coatings Gravure, Reverse roll 39.5 % 24-32 sec. No. 3 Zahn cup @ 77 °F 2-4 lbs/ream; 4-5 lbs/ream for corrosive foods - - FDA Regulation 21 CFR176.180,FDA Regulation 21 CFR176.170,FDA Regulation 21 CFR175.300,FDA Regulation 21 CFR175.105 Food Hot Fill Pouches,Condiment Packaging Moisture Resistance,High Heat Resistance,Adhesion to Foil and Metallized Films,Peelable Bonds

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