Product Description

PVC Impact Modifier MBS 
 LB series product is a grade of MBS products developed with advanced synthetic resin technology, ternary copolymerized by Methyl Methacrylate(M), Butadiene(B) and Styrene(S). It is an integrated resin for improving impact strength and processing performance of PVC products

Application Characteristic
 By adding LB series products in rigid PVC, the product impact strength can be improved obviously without any negative effect to PVC,s proper character. It is widely used in indoor products such as PVC films, sheets, pipes, pipe fittings and granular bottle materials.

Physicochemical properties

Item	LB-22	LB-513	LB-717	LB-621	LB-56	LB-564
Appearance	White powder
Granularity(20 mesh passing percentage) (%)	>98
Percent Volatiles (%)	<1.0
Density (g/cm3)	0.25-0.50

Purpose and Dosage

Item	LB-513	LB-621	LB-717	LB-22	LB-56	LB-564
Product Character	For transparent PVC products				For opaque PVC products
	High transparency no crease whitening	High transparency less crease whitening	High transparency less crease whitening	High impact	Ultra-high impact
Applications	High grade sheets, Films	Sheets, Films	Sheets, Films	Sheets, Films	Sheets, Films Pipes, Pipe fittings
Recommended Dosage	6-8	5-7		7-10	4-8

Storage, Packing & Transportation

Packed in airproof plastic bag , then in woven bags with quality certificate , the outside of bags is marked with brand, company name, net weight of products,lot identification mark .
Avoid insolation, drench.
Stored in cool and draughty place , shelf life: one year.