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Qingdao Exceed Fine Chemicals Co.,Ltd

  • China,Qingdao ,Shandong
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China PU to Metal Bonding Agent 840 Equivalent to Chemlok 218
China PU to Metal Bonding Agent 840 Equivalent to Chemlok 218

  1. China PU to Metal Bonding Agent 840 Equivalent to Chemlok 218

PU to Metal Bonding Agent 840 Equivalent to Chemlok 218

  1. MOQ: 1mt
  2. Price: FOB Qingdao usd 8.0/kg
  3. Get Latest Price
Payment Terms L/C, T/T
Supply Ability 1000mt/month
Delivery Time two weeks
Packaging Details 3.5kg/drum, 18kg/drum, 180kg/drum
Product Name PU to Metal Bonding Agent 840
Color Clear to Slightly Hazy Amber Liquid
Function One-coat surface treatment
Feature Environmentally Resistant
Benifit Requires no primer
Solvents Toluene, Trichloroethylene, Isopropanol, Ethanol
Brand Name EXCEEDCHEM
Model Number 840
Certification ISO9001:2008
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C, T/T Supply Ability 1000mt/month
Delivery Time two weeks Packaging Details 3.5kg/drum, 18kg/drum, 180kg/drum
Product Name PU to Metal Bonding Agent 840 Color Clear to Slightly Hazy Amber Liquid
Function One-coat surface treatment Feature Environmentally Resistant
Benifit Requires no primer Solvents Toluene, Trichloroethylene, Isopropanol, Ethanol
Brand Name EXCEEDCHEM Model Number 840
Certification ISO9001:2008 Place of Origin China
High Light One Coat Rubber To Metal Bonding AgentRubber To Metal Bonding Agent BA 840Bonding Agent BA 840

PU to Metal Bonding Agent 840 Equivalent to Chemlok 218

 

Description

PU to metal bonding agent 840 a one-coat surface treatment used to affix castable and millable polyurethane elastomers to metals and other rigid substrates. It is composed of a mixture of polymers and resins dissolved in an organic solvent system.

 

Features and Benefits 

 

1. Environmentally Resistant – PU to metal bonding agent 840 provides excellent resistance to water, salt spray, a variety of solvents and other environmental conditions.

2. Convenient – requires no primer, reducing labor and costs.

 

 

Typical Properties

 

Appearance Clear to Slightly Hazy Amber Liquid
Viscosity, cps @ 25°C (77°F) Brookfield LVT Spindle 3, 60 rpm 400-1000
Density(kg/m3) 950.0 - 990.0
Solids Content by Weight, % 18-22
Flash Point (Seta), °C 2-3
Solvents Toluene, Trichloroethylene, Isopropanol, Ethanol

 

Application

1. Surface Preparation – Thoroughly clean metal surfaces prior to application. Remove protective oils, cutting oils and greases by solvent degreasing or alkaline cleaning. Remove rust, scale or oxide coatings by suitable chemical or mechanical cleaning methods.

2. Mixing – No agitation is required before or during use. If dilution is needed, use either a 1:1 isopropanol: toluene blend (by volume) or glycol ether solvents. Note proper dilution for the various application methods is best achieved by experience.

 

3. Applying – Apply PU to metal bonding agent 840 by brush, dip, spray, roll coat or any method that gives uniform coating and avoids excessive runs and tears. Regardless of application method, dry film thickness of PU to metal bonding agent 840 should be 15-35 micron. PU to metal bonding agent 840 is also tolerant of processing conditions such as long prebakes.

 

4. Drying/Curing – Allow coated parts to air-dry for at least 60 minutes at room temperature for complete solvent evaporation. The film may be force dried at higher temperatures for shorter periods of time. Drying for 15 minutes at 121°C (250°F) has no harmful effect on performance.

 

To enhance cohesive strength, bake coated inserts a minimum of 2 hours at 121°C (250°F). Large inserts will require longer baking time at 121°C (250°F) to negate the heat sink effect.

 

Parts coated with PU to metal bonding agent 840 may be vulcanized immediately after air-drying.

 

Molding procedures that are used with heat vulcanizing urethane elastomers can be used with PU to metal bonding agent 840. The cure time and temperature are the same as the process conditions required to vulcanize the urethane compound being molded. Best results are obtained with curing temperatures above 71°C (160°F).

 

5. Cleanup – Use alcohol, such as isopropanol, or a chlorinated solvent, such as trichloroethylene, to clean up small spills.

 

 

Shelf Life/Storage

 

The shelf life of the PU to metal bonding agent 840 is one year from date of shipment when stored at 21-27°C (70-80°F) in original, unopened container. Do not store or use near heat, sparks or open flame.

 

 

Company Details

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 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter,Trading Company

  • Year Established:

    2013

  • Total Annual:

    10000000-20000000

  • Employee Number:

    50~100

  • Ecer Certification:

    Verified Supplier

  Qingdao Exceed Fine Chemicals Co., Ltd is a high-tech enterprise that integrates manufacturing and trading. We specialize in the production of polyurethane-based products.Our company is dedicated to investing in research and development of cutting-edge products, collaborating with leadin...   Qingdao Exceed Fine Chemicals Co., Ltd is a high-tech enterprise that integrates manufacturing and trading. We specialize in the production of polyurethane-based products.Our company is dedicated to investing in research and development of cutting-edge products, collaborating with leadin...

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  • Qingdao Exceed Fine Chemicals Co.,Ltd
  • No.166, Zhengyang Middle Road, Chengyang District, Qingdao City, Shandong Province, China. 266000
  • https://www.tdimdipolyurethane.com/

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