Bomar Oligomers® BRC-4421
- CASE Ingredients Features
- Abrasion ResistanceAcid ResistanceAlkali ResistanceChemical ResistanceExcellent AdhesionGood Balance of PropertiesGood ToughnessHigh GlossImproved FlexibilityLow Water AbsorptionNon-Yellowing GradeTemperature ResistanceWater Resistance
- Chemical Family
- Urethane Acrylate/Isocyanate
BRC-4421 is a difunctional, hydrophobic urethane acrylate that can be formulated into chemical and temperature resistant coatings and resins. The material has low color and excellent adhesion to a wide variety of plastics. The material can be formulated into tough, impact resistant 3D printing resinswith excellent flexibility. It’s ultra-low water absorption makes this an excellent choice for moisture sensitive or hydrophobic applications
Identification
- CASE Ingredients Functions
- Oligomer
Product families
- Oligomers
- Acrylics Acrylates & Methacrylates
Other characteristics
- Brand
- Bomar Oligomers
- Technology
- Base Chemicals & Intermediates
- CASE Ingredients
- HIGHLIGHTS
- Excellent plastics adhesion
- Non-yellowing
- Excellent hydrophobicity
- Imparts toughness
- Glossy finish
- Provides abrasion resistance
- Safety Information
This product is intended for industrial use only. Keep out of the reach of children. Avoid breathing vapors. Avoid contact with skin, eyes, and clothing. Wear impervious gloves. Repeated or continuous skin contact with uncured material may cause irritation. Remove material from skin with soap and water. Never use organic solvents to remove material from skin and eyes.
- Typical Formulations
BR-4421; Irgacure® 184; 6.880; 3.000; 3.300; 6.200; 3.500; 4.500; 90; 210; 290; 150; 160; 75D; 88D; 79D; Water Absorption, %(24 hrs); X - Recommended, XX - Highly Recommended, XXX - Strongly Recommended
- Base Chemicals End Uses
- Inks
- Recommended Applications
- Tough 3D printing resins
- Impact resistant coatings for plastics
- Moisture-senstive coatings or adhesives
- Compatible Substrates and Surfaces
- Plastics
Technical data
Table 1 of 4
5 rows| Characteristic | Value | Unit |
|---|---|---|
| Viscosity (60 °C) | 6,600 | cP |
| Pt-Co Color (APHA) | 50 | — |
| Pt-Co Color | 50 | APHA |
| Refractive Index (25°C) | 1.480 | — |
| Density (25°C) | 1.090 | g/cm3 |
Типичные рецептуры
8 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| BR-4421 | 70 | 50 | 50 |
| IBOA | 30 | 50 | — |
| TMPTA | — | — | 50 |
| TPGDA | — | — | — |
| HDDA | — | — | — |
| HEMA | — | — | — |
| Irgacure® 184 | 2 | 2 | 2 |
| Viscosity, 25°C (CAP2000+) | 6.880 | 1.100 | 5.300 |
Типичные рецептуры
7 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Tensile Strength, (psi, ASTM D882) | 3.000 | 3.300 | 6.200 |
| Elongation (%, ASTM D882) | 120 | 30 | 3.1 |
| Elastic Modulus (ksi, ASTM D882) | 90 | 210 | 290 |
| Durometer Hardness | 75D | 81D | 88D |
| Water Absorption, %(24 hrs) | 0.17 | 0.13 | 0.27 |
| MEK Double Rubs (#) | 72 | 25 | >200 |
| Tg(DMA) = 48°C; Peak tan delta; cured with 2 phr of Irgacure® 184 | — | — | — |
Типичные рецептуры
11 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| ABS | XXX | XXX | XXX |
| Aluminum | — | XX | — |
| Cold Rolled Steel | XX | XX | — |
| Glass | — | X | — |
| HDPE | — | — | — |
| PET | XXX | XXX | XXX |
| PMMA | XXX | XXX | — |
| Polycarbonate | XXX | XXX | XXX |
| Polypropylene | — | — | — |
| PVC | XXX | XXX | XXX |
| Stainless Steel | — | XX | — |
