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HD-6670 / HD-1919 Characteristics: Mid-highhardness, excellent mechanical, cohesive and anti-static properties. Application: For dual density safety shoesole production. Typicalproperties of PU resin
Nameof products
@40ºC Appearance
Density (g/cm3 @40oC)
Viscosity (mPa·s @40oC)
Package Size (kg/drum)
HD-6670(POL, A,)
Liquid
1.13~1.18
1000~1500
18/ 220
HD-1919(ISO, B)
Liquid Líquido
1.18~1.20
350~450
20/ 235
Processing Pleasepreheat materials at 60~70ºCfor6~10hoursbefore processing. Then mix fully the wholedrumofPOLandotheradditivesaccording tothe following table. Finally, respectively transfer POLand ISO to their corresponding tanks.
Type
HD-6670
Hardener/g
water/g
catalyst/g
other
outsole
18kg(one drum)
0
0~10
220~240
It depends
220kg(one drum)
0
0~120
2700~2900
It depends
midsole
18kg(one drum)
200
30-40
300~320
It depends
220kg(one drum)
200
370-490
3700~3900
It depends
Reactivityand product performance
TestItems
Reactivity parameters
TestItems
Product performance
outsole
midsole
outsole
midsole
Ratio of(A+C)and B material
100:70~73
100:82~85
Moulding density(g/cm3)
0.80~1.10
0.45~0.55
Material temperature (oC)
A:40~45 / B:40~45
A:40~45 / B:40~45
Hardness(23ºC,Shore A)
55~65
45~55
Cream time(s)
6~9
5~7
Tensile strength(MPa)
≥8.5
≥4.0
End ofrise time(s)
35~45
25~35
Elongation(%)
≥500
≥350
Free rise density (g/cm3)
0.40~0.70
0.26~0.33
Tearstrength(kN/m)
≥30.0
≥20.0
Metal mold temperature (oC)
45~55
45~55
Flexing resistance 23ºC×2mm×50000times
Crack increase≤4.0mm
Demould time(min)
3~4
3~5
DINabrasion resistance(mm3)
≤150
/
Peel strength(KN/m)
≥3.5
Theratio basedon the best value varies with the type and quantity ofaddedpaint additives. Thefree rise foam density varies with the seasonal variation (temperature, humidity) Data listed above are just for reference. The detailed data are subjected to practical operation. Please contact usifother physical properties are essential. About Huide
Shanghai Huide Science & Technology Co., Ltd, listed as the second batch of national "Little Giant" enterprises, was established in June 2007 and located in Shanghai Carbon Valley Green Bay Industrial Park (formerly the Jinshan Second Industrial Zone of Shanghai), which was put into production in the second half of 2009. It is a technology-based group company that integrates design, research and development, production, sales and service, and specializes in manufacturing series of new materials such as polyurethane resin ( PU) for synthetic leather, polyurethane elastomer stock solution, polyester polyol and thermoplastic polyurethane elastomer (TPU). The company has two production bases in Shanghai and Fujian, and its products application covers the daily life fields of shoes, clothing, bags, furniture and transportation industry such as automobiles and railways, the business scope covers production, sales, domestic trade, foreign trade and logistics transportation etc. Approved by the China Securities Regulatory Commission, the company's shares were listed on the Shanghai Stock Exchange on August 28, 2018 with the stock code of 603192 and named as Huide Technology.
7 Wholly Owned Subsidiaries:
Shanghai Huide International Trade Co., Ltd. Shanghai Hoard Polyurethane Co., Ltd Fujian Huide New Material Co., Ltd. Changzhou Pufeite Chemical Co., Ltd. Changzhou Yunqi Transportation Co., Ltd. Shanghai Huide Resin Sales Co., Ltd. Zhejiang Huide New Material Co., Ltd.