ACR series Impact Modifier is a Weatherable Acrylic Impact Modifier used in rigid PVC products.

Product Description:

This series Impact Modifier is a Weatherable Acrylic Impact Modifier used in rigid PVC products. It is a "core -shell" structure modifier, with cross-linked poly butyl acrylic as "core"and graft methyl methacrylate as "shell". It not only improves impact resistance performance of the product, but also increases the surface gloss of the product, and especially the weatherability of the product. It is especially suitable for outdoor products and broadly used in PVC profiles, sheets, boards, pipes, pipe fittings, etc.Physicochemical properties:

Index	HC-21,HC-51,HC-22,HC-61	HC-12,HC-55	HC-50
Appearance	White  flowing powder
Bulk Density (g/cm3)	0.40-0.55	0.45-0.56	0.35-0.55
Volatiles contents(%)	≤1.5%
Particle(40 mesh passing percentage) (%)	≥98%

Product characteristics:Compared to CPE and other impact modifiers, ACR series products have the following advantages:(1). Imparts excellent low-temperature impact resistance. Excellent weatherability.(2). Improves product surface gloss greatly. Wide processing range for high speed extrusion.(3). Improves impact strength and imparts good rigidity of product.    Product Category and Properties:

Product sign	Impact proof effect under  normal temperature	Impact proof effect under low temperature	Product property
HC-12	***	***	Excellent transparence
HC-21	****	****	Fast fusion
HC-22	****	****	Fast fusions, good gloss
HC-50	******	******	Excellent low-temperature impact properties
HC-51	****	****	Excellent processability
HC-55	****	*****	Excellent processability
HC-61	*****	*****	Excellent impact properties,Fast fusion

Remarks: "*"means the degree of  performance index. Application Character

Item		HC-12	HC-21, HC-22	HC-51	HC-50	HC-61	HC-55
Character		For transparent products	For opaque products
Use		(Outdoor transparent)sheets, profiles	Profiles, sheets, pipes, pipe fitting, etc.
Recommended dosage(phr)	Impact Modifiers	6~9	5~8	6~8	4~7	4~7	5~8
	Processing Aids	0.5~1.0	0	0	0~0.5	0.5~1.0	0

Safety, Packing, Transportation & Storage:Eliminate all ignition sources, it will burn at elevated temperatures. Eye contact: Wash eyes with water. Consult a physician if irritation Persists.Skin contact: Wash affected skin areas thoroughly with soap and water. Packed in airproof plastic bag, then in woven bags or kraft paper bags with qualify certificate, the outside of bags are marked with brand name, company name, net weight of products, lot No. etc. Packaged in 25 kg or 20kg bags and 250 kg or 500 kg super-sacks.This material is non-dangerous goods for land, air and marine transportantion.Material can burn, recommended indoor storage  with automatic sprinklers.Avoid all ignition sources. The recommended maximum  storage temperature for this material is 45oC. 

Acrylic Impact Modifiers used for pvc product