Harcryl® 1228 M UV

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Description

Harcryl® 1228 M UV is a specialized acrylic monomer designed for UV curable coatings. Here's a summary of its features and properties:

Composition: It is a free acid phosphate ester of 2-HEMA (hydroxyethylmethacrylate), predominantly composed of the mono-alkyl phosphate ester. This composition allows for easy incorporation into various polymer systems, with a higher hydrophilicity compared to Harcryl® 1228.

Inhibition: Inhibited with 100ppm of added MeHQ.

Functionality: The phosphate functional group promotes adhesion to surfaces, reducing the need for pretreatments. This enhances adhesion, saves time, and reduces coating layers. Improved corrosion resistance due to the phosphate functional group reduces the need for additional inhibitors. The acrylic backbone allows Harcryl® 1228 M UV to be easily incorporated into many coating systems, including UV and radiation curable coatings.

Benefits:

Adhesion Promotion: Reduces the need for pretreatments, saving time and reducing coating layers.
Corrosion Resistance: Enhances corrosion resistance, reducing the need for additional inhibitors.
UV Curable: Designed specifically for UV curable coatings.

Usage: Should not be used as a straight additive. As a monomer, it should be fed separately or in the monomer pre-mix. It has a shelf life of 1 year from the manufacturing date.

Handling & Storage: Should be stored in stainless steel, lined, or plastic vessels. Listed as a DOT corrosive.

Features:

Suitable for concrete, metals (aluminum, galvanized steel, iron-phosphated steel, zinc-phosphated steel, rolled steel, and stainless steel), and polymers (acrylic, styrene/acrylic, VEOVA/acrylic, and polyurethanes).
Contains a reactive methacrylic group and a phosphate active group.
Promotes adhesion and provides corrosion resistance.

Typical Properties:

Appearance: Yellow Viscous Liquid
Activity: 99% min
Moisture: 1% Max
Acid #1 (mgKOH/gm): 5.5 pH 312
Acid #2 (mgKOH/gm): 9.5 pH 580-590
pH (1% aqueous): 1.5-2.5
Flash Point: >93°C
Specific Gravity @ 25°C: 1.250-1.350

Files

Harcryl-1228M-UV.pdf View

Application

Paints & Coatings

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- Quartz (SiO₂): 1% - 10% by weight. Quartz is the primary hazardous component, known for its potential to cause lung damage if inhaled in dust form.
- Feldspar-group minerals: 87% or more by weight.
Hazards Identification
- Classification:
  - Specific target organ toxicity - repeated exposure, Category 2 (Lungs).
- Hazard Statements:
  - H373: May cause damage to organs (lungs) through prolonged or repeated exposure if inhaled.
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  - P260: Do not breathe dust.
  - P314: Get medical advice/attention if you feel unwell.
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WALOCEL™ CRT 10000 G Sodium Carboxymethylcellulose is a specific type of sodium carboxymethylcellulose (CMC) produced by The Dow Chemical Company. Here's a detailed overview based on the provided sales specification:
Product Overview:
- Product Name: WALOCEL™ CRT 10000 G
- Chemical Name: Sodium Carboxymethylcellulose
- Specification Number: 000000127502
- Previous Specified Material: 00160302
- Trademark: WALOCEL™ (Trademark of The Dow Chemical Company)
Specifications and Testing Requirements:
1. Active Content (Dry Basis):
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  - Method: CE-55.4
  - Test Frequency: Audit basis
2. Substitution Degree:
  - Range: 0.82 — 0.95
  - Method: CE-28.4
3. Moisture Content (As Packaged):
  - Maximum: 8.0%
  - Method: CE-7.1
4. pH Value (1% Aqueous Solution):
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  - Method: CE-8.1
5. Total Salt Content (Dry Basis):
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  - Method: CE-15.4
  - Test Frequency: Audit basis
6. Viscosity (Brookfield, LVT, SP.3, 30 RPM, 1% Aqueous Solution, Dry Basis, 25°C):
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  - Method: CE-5.15
Product Characteristics:
- Active Content: Indicates the amount of carboxymethylcellulose present in the product.
- Degree of Substitution: Refers to the extent to which the cellulose molecule has been substituted with carboxymethyl groups. This affects the solubility and viscosity.
- Moisture Content: The amount of water present in the product. This can affect the product’s handling and performance.
- pH Value: Measures the acidity or alkalinity of a 1% aqueous solution of the product.
- Total Salt Content: Indicates the amount of salt present, which can influence the viscosity and stability of the product.
- Viscosity: A measure of the product's thickness or resistance to flow in an aqueous solution. This is important for its functionality in various applications.
Usage and Safety:
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Product Overview:
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- Chemical Formula: C3H7O[CH2(CH)CH3O]2H (Major isomer)
- CAS Number: 29911-27-1
Description:
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Physical Properties:
- Molecular Weight: 176.2 g/mol
- Boiling Point: 213°C (415°F)
- Flash Point (Setaflash Closed Cup): 88°C (190°F)
- Freezing Point: <-75°C (<-103°F)
- Vapor Pressure at 20°C: 0.08 mmHg (0.11 mbar)
- Specific Gravity (25/25°C): 0.919
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  - @ 25°C: 0.916 g/cm³ (7.65 lb/gal)
- Viscosity at 25°C: 11.4 cP (mPa•s)
- Surface Tension at 25°C: 27.8 dynes/cm (mN/m)
- Specific Heat at 25°C: 1.94 J/g/°C
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- Autoignition Temperature: 205°C (401°F)
- Evaporation Rate:
  - n-Butyl Acetate = 1.0: 0.014
  - Diethyl Ether = 1.0: 903
- Solubility at 25°C:
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  - Water in Solvent: 22.5 g/100 g (18.5 wt%)
Hansen Solubility Parameters:
- Dispersion (d): 15.0 (J/cm³)^(1/2)
- Polar (p): 3 (J/cm³)^(1/2)
- Hydrogen Bonding (h): 9.6 (J/cm³)^(1/2)
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Product Overview:
- Product Name: TEGO® Airex 902 W
- Manufacturer: Evonik Operations GmbH
Description:
TEGO® Airex 902 W is a highly effective and compatible deaerator emulsion based on polyether siloxane technology. It is particularly effective against both micro-foam and macro-foam.
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Harcryl® 1228 M UV

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Harcryl® 1228 M UV

Manufacturer

Main Actions

Description

Files

Categories

Application

Add a review

Leave a Reply · Cancel reply

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Siliplast 810

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Hansen Solubility Parameters:

Flammable Limits (Vol.% in Air):

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Description:

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