Bomar Oligomers - BR-551ME - Bomar Specialties

Identification & Functionality

Features & Benefits

CASE Ingredients Features: Fast Acetone Soak-Off,
High Gloss,
Low Heat Generation,
Low Viscosity
Product Highlights: Fast acetone soak-off

Very low viscosity

Low APHA color

High gloss

Low MeHQ levels

Applications & Uses

Properties

Technical Details & Test Data

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

BR-551ME
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+) 1,300 250 1,100 280 130 560

Cured Mechanical Properties

Property I30 I50 TP50 TM50 H50 HE30

Tensile Strength, (psi, ASTM D882) 2,000 3,200 2,800 3,100 4,300 1,400

Elongation (%, ASTM D882) 50 50 1.3 11.9 5.5 25

Elastic Modulus (ksi, ASTM D882) 50 190 280 85 140 60

Durometer Hardness 70D 79D 86D 74D 76D 69D

Water Absorption, %(24 hrs)
0.26 0.17 0.26 0.32 0.2 1.32

MEK Double Rubs (#) 7 14 >200 24 107 8

Tg(DMA)=68°C; Peak tan delta; cured with 2 phr of Irgacure® 184

Adhesion Properties

Substrate I30 I50 TM50 TP50 H50 HE30

ABS X XX XXX XX XXX X

Cold Rolled Steel X

Glass

PET XXX XX XXX XX

Polycarbonate

PVC XX X XX

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

Bomar Oligomers® BR-551ME

Test Formulation Name	I30	I50	TP50	TM50	H50	HE30
BR-551ME	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+)	1,300	250	1,100	280	130	560

Property	I30	I50	TP50	TM50	H50	HE30
Tensile Strength, (psi, ASTM D882)	2,000	3,200	2,800	3,100	4,300	1,400
Elongation (%, ASTM D882)	50	50	1.3	11.9	5.5	25
Elastic Modulus (ksi, ASTM D882)	50	190	280	85	140	60
Durometer Hardness	70D	79D	86D	74D	76D	69D
Water Absorption, %(24 hrs)	0.26	0.17	0.26	0.32	0.2	1.32
MEK Double Rubs (#)	7	14	>200	24	107	8
Tg(DMA)=68°C; Peak tan delta; cured with 2 phr of Irgacure® 184