Unsaturated Polyester Resin for SMC Sheet
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- Description
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M906 is an orthophthalic type unsaturated polyester resin specifically formulated for the production of Sheet Molding Compound (SMC) products. It offers excellent glass fiber wettability, ensuring effective impregnation and strong adhesion to reinforcements, along with high reactivity that promotes efficient curing cycles and a good surface effect for smooth, high-quality finishes. This resin is mainly employed in diverse industrial sectors, including industrial tanks for robust storage solutions, rail transit for lightweight and durable components, auto parts for enhanced mechanical performance and longevity, as well as other fields requiring reliable and high-performance composite materials.
Typical Liquid Properties
Liquid Resin Specifications
Item
Unit
Value
Standard
Appearance
Light yellow transparent
Acid Value
mgKOH/g
16-24
ISO 2114
Viscosity(25°C)
cP
1200-1500
ISO 2555
Gel Time
s
60-110
ISO 2535
Solid Content
%
61-67
ISO 3251
Note: Gel Time is 130°C; 0.5g TBPB was added into 50 g resin.
Mechanical Porperites
Typical Values of Resin Casting
Item
Unit
Value
Standard
Tensile strength ≥
MPa
65
ISO 527-2
Tensile modulus ≥
MPa
3100
ISO 527-2
Elongation at break≥
%
2.0
ISO 527-2
Flexural strength≥
MPa
115
ISO 178
Flexural modulus≥
MPa
3300
ISO 178
H.D.T ≥
℃
110
ISO 75-2
Impact strength ≥
KJ/m²
45
ASTM D-2583/EN59
Unsaturated Polyester Resin for SMC Sheet
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Yangzhou Fztek Composite Materials Co. Ltd
WhatsApp/Tel: +86 17276251502
Add: Room 2030#,building b yeheng life plaza, no.56 guozhan road,hanjiang district, yangzhou,225126,china
