Water based aziridine hardener for PE/PVC pressure sensitive adhesive protective film

The almost colorless HARTDUR C528 is designed as curing agent for adhesive based on hydroxyl polyurethane, natural and synthetic rubber

Typical Properties:

Applications: 

After the addition of HARTDUR C528, the ready-to-use double-component

adhesive should be applied within a period (pot life) which is determined not

only by its content of rubber, but also by the other ingredients of the formulation(e.g. resins, antioxidants, solvents, etc.). If the adhesive is not used within this period of time, it may become increasingly difficult to apply and its viscosity increases rapidly until irreversible gelling ultimately occurs.

Suggested Additions:

For curing adhesive of 100 parts by weight (p.b.w.) based on:
Graft-Choloroprene rubber (rubber content approx. 16%): 3-5% p.b.w. HARTDUR C528
Choloroprene rubber (rubber content approx. 20%): 5-7% p.b.w. HARTDUR C528
Hydroxyl polyurethane (polyurethane content approx. 15%): 3-5% p.b.w. HARTDUR C528

Our Factory:

Johnson Fine Chemical Co., Ltd. former Farn Shinn Enterprise Co., Ltd. which was established in 1975, is a corporate company of Sea Chief Group. At the beginning, Farn Shinn was the stock agent of Bayer, Germany for Desmodur RF and N-75. Besides, it is also the agent of Du Pont, U.S.A. for Adiprene L-167, L-100 and curing agent for MOCA in Taiwan. In 1997, Farn Shinn Enterprise Co., Ltd. was formally renamed as Johnson Fine Chemical Co., Ltd.Johnson devotes to develop more sophisticated special chemicals including unique material such as monofunctional isocyanate, 1,5-diisocyanate-naphthatene, dimethylthio diamino thouene and etc..

Johnson successfully kept their part of the market in this field, and was approved by ISO9001: 2000. Besides, they cooperated technically with world wide companies in the development of new products, improvement of old-fashioned techniques, and technical support of existing customers. Meanwhile, with quick information feedback system, Johnson further enhanced products quality and expanded products' range of applications. Also, Johnson has built a complete system covering technological development, field application and product promotion. The quality of products are world class. 

Packing & Shipping:

Our Certifications：

FAQ：

1.What’s your payment terms?
T/T or L/C.
2. What's your delivery time?
Usually sample time: 1-7days, ,mass goods delivery time: 30-35days
3. How about the packing?
Usually we provide the packing as 25 kg fiber drum, bag or carton for solid or powder products; 175KG, 180KG,190KG,200KG steel drum and plastic drum for liquid products. Of course, we can arrange according to your special requirements on them.
4. How about the validity of the products?
Different products have different shelf life.
5. What documents you provide? 
Usually, we provide commercial Invoice, Packing List, Bill of loading, COA. If your markets have any special requirements, let us know.

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