SCG-5

features and uses

SCG-5 catalyst is a chromium based polyethylene dry powder catalyst for the Univation manufacturing process. It is a special chromium compound deposited on dehydrated silicon oxide with a catalyst activity of 4000 to 6000 KgPE/Kgcat. requires the use of a reducing agent and a number of additives to obtain a high activity component. This catalyst series is based on methylsilyl chromates and is used for the production of polyethylene with a wide range of molecular weight (MW) distribution. The catalyst is intended to replace the imported UCAT-G(S-2) catalyst for the production of HDPE with a wide molecular weight distribution (MFR = 75-150). In practice, it is mainly used for the production of blow-moulded polyethylene products such as shipping containers, large containers and gas tanks.

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Product Introduction

Product quality indicators

Item	Quality Indicators
Appearance	Light green powder
Chromium content (as Cr) (mass fraction)/%	0.16～0.28
Bulk density/(kg/m³)	200～240
Productivity/（KgPE/Kgcat）	4000~6000

产品牌号：

生产的典型产品牌号包括：DGDA-6097、DGDA-6098、DGDA-6093、DHDA-1525(土工膜）、DGDA-2400、DGDB-2480等。

PE product parameters：

Catalyst grade	Product grade	Product density（g/cm³）	Product MI（g/10min）	Product application
SCG-5	DGDA-6097	0.948±0.002	0.4	Extrusion, blow moulding, daily-use bags, plates, sheets, linings, etc.
	DGDA-6098	0.950±0.002	11±3	Mainly used in the production of shopping bags, grocery bags, multi-layer liner film, weather resistant film, etc.. Good heat and cold resistance. Good chemical stability, high rigidity and toughness. Good mechanical strength, dielectric properties, resistance to environmental stress cracking performance is also good
	DGDA-6093	0.951±0.002	13±2	Food bags, shopping bags, etc.
	DGDA-2400	0.939±0.002	16（190℃/21.6kg）	Pipe coating, natural gas pipes (PE-80), etc.
	DGDB-2480	0.945±0.002	10（190℃/21.6kg）	Pipe coating, natural gas pipes (PE-80), etc.

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