97超碰中文字幕久久精品,久久五月丁香综合中文亚洲,色婷婷狠狠18禁久久yyy☆,欧美激情一区二区三区在线

首頁 > 企業(yè)概況 > 企業(yè)產(chǎn)品 > 所屬企業(yè) > 企業(yè)動態(tài) > 公告公示 > 聯(lián)系我們 >
CR244型氯丁橡膠

       本品是以二硫化二異丙基黃原酸酯或十二碳硫醇為調(diào)節(jié)劑的氯丁二烯聚合物,結(jié)晶速度快,密度1.23,乳白色或米黃色片狀物。分子結(jié)構(gòu)規(guī)整,內(nèi)聚力高,在常溫下有很高的粘接強度,是氯丁膠粘劑的主要基材。廣泛用于橡膠、皮革、纖維、金屬、木材、水泥制品等自粘或互粘。本品類似于日本電化公司A系列如A-90,美國杜邦公司AD系列如AD-20。

執(zhí)行標(biāo)準(zhǔn):Q/CHJT.J03.03.01-2022

 

項目

指標(biāo)

 

 

5%甲苯溶液粘度,

mpa.s

CR2440

13-24

CR2441

25-34

CR2442

35-53

CR2443

54-75

CR2444

76-115

CR244A

116-140

CR244B

140-400

剝離強度,≥N/cm

90

揮發(fā)分,≤%

1.2

包裝:牛皮紙聚丙烯復(fù)合袋,凈重25kg/袋。

儲存:自生產(chǎn)之日起,20℃以下,儲存期為一年,20-30℃,儲存期為半年。

Polychloroprene Rubber CR244

Description:A xanthogen or dodecyl mercaptan modified polychloroprene rubber with fast crystallization rate and bonding strengh at room temperature.The density is 1.23.It is similar to Deka’s A range such as A-90 and Du Pont' s Neoprene AD range such as AD-20.

Application:For making Chloroprene adhesives. The Chloroprene adhesives are used for bonding and self adhesion between rubber, leather, fiber, metal, wood and cement products,etc.

Product Standard:Q/CHJT.J03.03.01-2022

Specification:

Item

Index

Viscosity   in 5% toluene solution,mpa·s

CR2440

13-24

CR2441

25-34

CR2442

35-53

CR2443

54-75

CR2444

76-115

CR244A

116-140

CR244B

141-400

Peel StrengthN/m

90

Volatile,%

1.2

Appearance

Milk   white chips

Packing: Packed in compound bags of kraft and polypropylene, 25kg net each.

Shelf Life: One year below 20°C and half a year between 20~30°C

from the date of production.