Low Profile Additives (LPA)

Hydrogenated Castor Oil Thixotrope (HCO)

CAS 8001-78-3

Natural-origin, bio-based thixotrope — from renewable castor oil feedstock

Organoclay Rheology Modifier (Bentone Type)

CAS 71011-27-3

Organophilic smectite clay — compatible with non-polar and solvent-borne resin systems

Polyethylene Low Shrink Additive (LPA-PE)

CAS 9002-88-4

Void-free shrinkage compensation via PE crystallization expansion — not microvoid formation

Polymeric Thickener for UPR Systems

Transparent viscosity building — no haze in clear UPR casting and coating systems

Polymethyl Methacrylate Low Profile Additive (LPA-PMMA)

CAS 9011-14-7

Produces minimal surface haze — ideal for unpigmented or translucent SMC/BMC applications

Polystyrene Low Profile Additive (LPA-PS)

CAS 9003-53-6

Controls UPR volumetric shrinkage — enables Class A surface in SMC/BMC molding

Polyvinyl Acetate Low Profile Additive (LPA-PVAc)

CAS 9003-20-7

Superior Class A surface smoothness vs. PS LPA — preferred for premium automotive SMC

Urea-Modified Polyamide Thixotrope (BYK-R 605 Type)

High-efficiency UMAP thixotrope — strong thixotropy at 1–4 phr loading