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836A 836B Solvent-Free Two-Component Polyurethane Laminating Adhesive for Multi-Material Lamination with 100% Solids and Fast Curing

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Shanghai Huitian New Material Co., Ltd

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836A 836B Solvent-Free Two-Component Polyurethane Laminating Adhesive for Multi-Material Lamination with 100% Solids and Fast Curing

Name: 836A 836B SolventFree TwoComponent Polyurethane Laminating Adhesive for MultiMaterial Lamination with 100 Solids and Fast Curing
Brand: Huitian
Price: 3.5 USD

Certification : REACH, RoHS, FDA 21 CFR 175.105, GB9685

Price : USD 3.5-6.5 / KG

Packaging Details : 20kg/barrel or 200kg/drum, export-grade packaging

Compliance : REACH, RoHS, EU 10/2011, FDA, GB9685

Payment Terms : T/T, L/C

Curing : 72-96 h at 45-50C full cure

Model Number : 836A/836B

MOQ : 20 KG

Delivery Time : 7-15 working days after payment

Supply Ability : 500 MT per Month

Product Type : Solvent-free two-component polyurethane adhesive

Mixing Ratio : 100:60 (w/w)

Pot Life : About 40 min at 45C

Packing : 20kg/barrel, 200kg/drum

Place of Origin : Shanghai, China

Viscosity : 1500-2500 / 1000-2000 mPa.s at 25C

Density : 1.124 / 1.146 g/cm3

Gluing Amount : About 2.8 g/m2

Solid Content : 100%

Brand Name : Huitian

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Product Overview

Weeton 836A/836B is a solvent-free two-component polyurethane adhesive with strong versatility for various flexible packaging structures, including OPP(PET)/CPP, OPP/VMCPP, OPP/VMPET/PE, NY/LLDPE and AL/PE. 836A is an isocyanate-terminated main component while 836B is a polyester-based polyol, offering good leveling, excellent coating performance and fast curing.

Key Features

100% solids solvent-free system, no residual solvent concerns
Strong versatility for multi-material lamination
Good leveling and coating performance
Fast curing to increase production throughput
REACH, RoHS, EU 10/2011, FDA 21 CFR 175.105 and GB9685 compliant
Light yellow translucent (A) and colorless translucent (B) appearance

Applications

OPP(PET)/CPP and OPP/VMCPP structures
OPP/VMPET/PE high-barrier structures
NY/LLDPE and AL/PE flexible packaging
Food packaging lamination requiring regulatory compliance

Typical Technical Parameters

Parameter	Specification
Composition	NCO component (836A) / OH polyester polyol (836B)
Mixing Ratio	100:60 (w/w)
Solid Content	100% / 100%
Viscosity (25C)	1500-2500 mPa.s (A) / 1000-2000 mPa.s (B)
Viscosity (50C)	200-300 mPa.s (A) / 200-300 mPa.s (B)
Density	1.124 g/cm3 (A) / 1.146 g/cm3 (B)
Pot Life	About 40 minutes at 45C working temperature
Gluing Amount	About 2.8 g/m2 (material dependent)
Curing	Full cure 72-96 h at 45-50C
Compliance	REACH, RoHS, EU 10/2011, FDA 175.105, GB9685
Shelf Life	9 months (836A) / 12 months (836B)
Packing	20 kg/barrel, 200 kg/drum

Directions for Use & Precautions

Set NCO/OH glue cylinder, hose and roller temperatures at 38-45C per the TDS typical parameters.
Control production environment temperature at 20-30C and humidity at 45-65%.
When humidity exceeds 70%, reduce 836B dosage by 5-10% and consult technicians for verification.
When humidity exceeds 90%, reduce humidity before use and ensure tight sealing during use.
For thin inner layer PE (<=45um), lower curing temperature to 30-35C and extend curing time to 24-36 h.
Replace the solvent-free mixing hose every day to avoid uneven mixing.
Wrap printed roll film with waterproof film after quality inspection to prevent moisture and dust.

FAQ

Q: Which film structures is 836A/836B suitable for?

A: 836A/836B has strong versatility and suits OPP(PET)/CPP, OPP/VMCPP, OPP/VMPET/PE, NY/LLDPE, AL/PE and similar multi-material structures.

Q: What certifications does 836A/836B hold?

A: It complies with REACH (EC 1907/2006), RoHS 2011/65/EU, EU 10/2011, FDA 21 CFR 175.105 and China GB9685 food safety regulations.

Q: How long is the pot life?

A: The pot life at the standard mixing ratio with a working temperature of 45C is about 40 minutes.

Q: Is 836A/836B a solvent-free adhesive?

A: Yes, both components are 100% solids solvent-free polyurethane, offering fast curing and no residual solvent risk.

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