China Silicone Masterbatch LYPA-208C siloxane Crosslinked PE anti-precrossing linking Additive Manufacture and Factory

Silicone Masterbatch LYPA-208C siloxane Crosslinked PE anti-precrossing linking Additive

Silicone Masterbatch ( Siloxane Masterbatch ) LYPA-208C is a pelletized formulation with 50% ultra-high molecular weight silicone polymer with a special chemical structure dispersed in LDPE, It could be used as a particular processing additive in XLPE compounds to improve the processing properties and modify surface quality.

Compare to conventional lower molecular weight Silicone / Siloxane additives, like Silicone oil, silicone fluids, or other type processing aids, It is expected to give improved benefits, eg,. Less screw slippage, improved mold release, reduce die drool, a lower coefficient of friction, fewer paint and printing problems, and a broader range of performance capabilities. What’s more, it could prevent undesired pre-crosslinking but without influence on final cross link speed and rate.

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Description

Fundamental Parameters

Grade	LYPA-208C
Appearance	White pellet
Silicone content (%)	50
Resin base	LDPE
Melt index (230℃, 2.16KG) g/10min	>7
Dosage % (w/w)	0.2~5

Features

The linear structure of LLDPE will turn into a three-dimensional cross-linking network after Silane-grafting and cross-linking reaction, in this way poor flow of resin result in poor processing, and the compounds are easily adhered to the screw groove and mold dead corners and form a dead mass which will affect the extruded cable appearance ( rough surface with little pre-crosslinking particles which formed at cross-linking step ), so effective lubricant like LYPA-208C added to improve the processing and modify the extruded surface.

How to use

Addition levels between 0.2~5.0% is suggested . It can be used in classical melt blending process like Single /Twin screw extruders, injection molding. A physical blend with virgin polymer pellets is recommended . For better result , pre-drying is recommend for 1 hour at 70-75 ℃ .

Package

25Kg / bag , craft paper bag

Storage

Transport as non-hazardous chemical. Store in a cool , well ventilated place .

Shelf life

Original characteristics remain intact for 24 months from the production date , if kept in recommend storage.

Chengdu Silike Technology Co., Ltd is a manufacturer and supplier of silicone material, who has dedicated to R&D of the combination of Silicone with thermoplastics for 20⁺ years, products including but not limited to Silicone masterbatch , Silicone powder, Anti-scratch masterbatch, Super-slip Masterbatch, Anti-abrasion masterbatch, Anti-Squeaking masterbatch, Silicone wax and Silicone-Thermoplastic Vulcanizate(Si-TPV), for more details and test data, please feel free to contact Ms.Amy Wang Email: amy.wang@silike.cn

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