Bomar Oligomers - BR-541MB - Bomar Specialties

Identification & Functionality

Chemical Family: Urethane Acrylate/Isocyanate
CASE Ingredients Functions: Oligomer
Technologies: Base Chemicals & Intermediates,
CASE Ingredients
Product Families: CASE Ingredients — Monomers & Intermediates
Oligomers
Base Chemicals & Intermediates — Monomers & Oligomers
Acrylics, Acrylates & Methacrylates,
Oligomers

Features & Benefits

CASE Ingredients Features: Abrasion Resistance,
Excellent Adhesion,
Excellent Scratch Resistance,
Good Balance of Properties,
Good Hydrolysis Resistance,
Good Toughness,
High Clarity,
High Gloss,
High Impact Resistance,
High Tensile Strength,
Improved Flexibility,
Low Skin Sensitivity,
Low Yellowing,
Weather Resistance
Product Highlights: High tensile strength

Low skin sensitivity

Excellent optical clarity

Improved adhesion

Exhibits hydrolytic stability

Provides weatherability

Applications & Uses

Base Chemicals End Uses: Inks
Coating Type: Clearcoat
Recommended Application: Nail coatings

Optically clear coatings

Scratch resistant coatings

High-impact 3D printing resins

Properties

Technical Details & Test Data

Typical Formulations: Test Formulation Name I30 I50 TM50 TP50 H50 HE30

BR-541MB
70 50 50 50 50 70

IBOA 30 50

TMPA 50

TPGDA 50

HDDA 50

HEMA 30

Irgacure® 184
2 2 2 2 2 2

Viscosity, 25°C (CAP2000+)
7.400
1.000 4.600 1.000 400 2.400

Cured Mechanical Properties

Property I30 I50 TM50 TP50 H50 HE30

Tensile Strength, (psi, ASTM D882)
4.100

3.900

5.900

3.300

4.500
3.100

Elongation (%, ASTM D882) 85 55 3.4 15.0 6.8 100

Elastic Modulus (ksi, ASTM D882)
85

220

250

110

150
50

Durometer Hardness
74D
81D
87D

77D
80D
76D

Water Absorption, %(24 hrs)
0.44 0.28 0.52 0.60 0.46 1.87

MEK Double Rubs (#) 73 35 >200 30 90 28

Tg(DMA) =86°C; Peak tan delta; cured with 2 phr of Irgacure® 184

Adhesion Properties

Substrate I30 I50 TM50 TP50 H50 HE30

ABS XXX XXX

Aluminum

Cold Rolled Steel

Glass X

HDPE

PET X XX XX XX XXX XXX

PMMA XXX X

Polycarbonate X XXX XXX XXX

PVC X X XXX XXX

Stainless Steel

X - Recommended, XX - Highly Recommended, XXX - Strongly Recommended
Viscosity Reduction with Reactive Diluents

Test Formulation Name	I30	I50	TM50	TP50	H50	HE30
BR-541MB	70	50	50	50	50	70
IBOA	30	50
TMPA			50
TPGDA				50
HDDA					50
HEMA						30
Irgacure® 184	2	2	2	2	2	2
Viscosity, 25°C (CAP2000+)	7.400	1.000	4.600	1.000	400	2.400

Property	I30	I50	TM50	TP50	H50	HE30
Tensile Strength, (psi, ASTM D882)	4.100	3.900	5.900	3.300	4.500	3.100
Elongation (%, ASTM D882)	85	55	3.4	15.0	6.8	100
Elastic Modulus (ksi, ASTM D882)	85	220	250	110	150	50
Durometer Hardness	74D	81D	87D	77D	80D	76D
Water Absorption, %(24 hrs)	0.44	0.28	0.52	0.60	0.46	1.87
MEK Double Rubs (#)	73	35	>200	30	90	28
Tg(DMA) =86°C; Peak tan delta; cured with 2 phr of Irgacure® 184

Safety & Health

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

Bomar Oligomers® BR-541MB