Light Stabilizer 944 J1603 Styrene-based elastomers and adhesives Polyolefin plastic
CHIMASSORB 944 is a high molecular weight hindered amine light stabilizer offering excellent compatibility, extraction resistance, and low volatility. It has a wide range of applications: polyolefin plastics (such as PP, PE), olefin copolymers like EVA, and blends of PP with elastomers. Additionally, 944 effectively stabilizes POM, PA, PU, rigid and flexible PVC, and PVC blends, while also demonstrating good efficacy for styrenic elastomers and adhesives. CHIMASSORB 944 significantly enhances th
Melting Point 100 - 135℃
CAS No 71878-19-8
Flash Point 150℃
Specific Gravity (20℃) 1.01 g/cm³
Vapor Pressure (20℃) ~1.0E6 Pa
Density (20℃) 1.01 g/cm³
CHIMASSORB 944 FD 470-510 g/l
CHIMASSORB 944 LD 450-550 g/l
Solubility/Miscibility (20°C) % w/w
Acetone > 50
Chloroform > 30
Ethanol < 0.1
Ethyl acetate > 50
n-Hexane 41
Methanol 3
Dichloromethane > 50
Toluene > 50
Water <0.01
Volatility
Temperature °C %
250 ;0
275: 0.2
300: 1.0
325: 3.7
350: 9.4
Appearance : White to pale yellow powder
- Parameters
Melting Point 100 - 135℃
CAS No 71878-19-8
Flash Point 150℃
Specific Gravity (20℃) 1.01 g/cm³
Vapor Pressure (20℃) ~1.0E6 Pa
Density (20℃) 1.01 g/cm³
CHIMASSORB 944 FD 470-510 g/l
CHIMASSORB 944 LD 450-550 g/l
Solubility/Miscibility (20°C) % w/w
Acetone > 50
Chloroform > 30
Ethanol < 0.1
Ethyl acetate > 50
n-Hexane 41
Methanol 3
Dichloromethane > 50
Toluene > 50
Water <0.01
Volatility
Temperature °C %
250 ;0
275: 0.2
300: 1.0
325: 3.7
350: 9.4
Appearance : White to pale yellow powder
Description
CHIMASSORB 944 is a high molecular weight hindered amine light stabilizer offering excellent compatibility, extraction resistance, and low volatility. It has a wide range of applications: polyolefin plastics (such as PP, PE), olefin copolymers like EVA, and blends of PP with elastomers. Additionally, 944 effectively stabilizes POM, PA, PU, rigid and flexible PVC, and PVC blends, while also demonstrating good efficacy for styrenic elastomers and adhesives. CHIMASSORB 944 significantly enhances the light stability of thin products, particularly fibers and films. For thick-section items, it is especially suitable for polyethylene products. Furthermore, it is approved for applications involving indirect food contact. It is recommended for use with UV absorbers (Tinuvin 327/328 or Chimassorb 81) in products containing little or no pigment, or to improve the lightfastness of certain organic pigments.
Specification
Melting Point 100 - 135℃
CAS No 71878-19-8
Flash Point 150℃
Specific Gravity (20℃) 1.01 g/cm³
Vapor Pressure (20℃) ~1.0E6 Pa
Density (20℃) 1.01 g/cm³
CHIMASSORB 944 FD 470-510 g/l
CHIMASSORB 944 LD 450-550 g/l
Solubility/Miscibility (20°C) % w/w
Acetone > 50
Chloroform > 30
Ethanol < 0.1
Ethyl acetate > 50
n-Hexane 41
Methanol 3
Dichloromethane > 50
Toluene > 50
Water <0.01
Volatility
Temperature °C %
250 ;0
275: 0.2
300: 1.0
325: 3.7
350: 9.4
Appearance : White to pale yellow powder
Features
CHIMASSORB 944 effectively enhances the light stability of thin products, particularly fibers and films. For thick-section products, it is especially suitable for polyethylene items. Additionally, it can be used in applications requiring indirect food contact. It serves as a highly efficient, long-lasting thermal stabilizer for both thick and thin products, offering excellent resistance to extraction. Its use is recommended in applications requiring indirect food contact.
Application Guidelines:
Thick-section products HDPE, LLDPE, LDPE, and PP 0.05–0.6%
Films* LLDPE, LDPE 0.1–1%
Flat yarns PP, HDPE 0.2–0.8%
Fibers PP 0.1-1.0%
*Recommended for use with UV absorbers (Tinuvin 327/328 or Chimassorb 81) in products where pigments are not used or used sparingly, and to improve the lightfastness of certain organic pigments.
Application
CHIMASSORB 944 is applicable in polyolefin plastics (such as PP, PE), olefin copolymers like EVA, and PP blends with elastomers. Additionally, CHIMASSORB demonstrates effective performance in polyoxymethylene (POM), polyamide (PA), polyurethane (PU), rigid and flexible PVC, and PVC blends, while also delivering excellent results for styrenic elastomers and adhesives.
Package
20 kg per bag, 40 kg per box
REMARK |
The above information is believed to be accurate and presents the best explanation currently available to us. We assume no liability resulting from above content. The technical standards are formulated and revised by customers’ requirement and us, if there are any changes, the latest specification will be executed and confirmed in the contract. |
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