Polymethyl Methacrylate (PMMA), commonly known as acrylic, is a high-performance polymer recognized for its exceptional optical clarity, excellent weather resistance, and long-term durability. As a lightweight and versatile material, PMMA enables products with superior transparency, strength, and design flexibility. It is widely used in automotive components, construction materials, signage, lighting, displays, and coatings, enabling manufacturers to deliver high-quality and visually refined solutions.

Van Bros works closely with trusted upstream suppliers to deliver high-quality PMMA products through a reliable supply chain. We offer PMMA in various specifications to cater to the diverse needs of our clients.

High-Performance Optical PMMA

- LCD light guide plates–ensuring high optical clarity and uniform light distribution

- LED lighting components –offering superior transparency and heat resistance

- Optical fibre systems-where purity and precision are paramount

- Aerospace glazing–including aircraft cockpit canopies with outstanding impact strength

- Bullet-resistant glass–combining optical clarity with enhanced protection

- Automotive taillamps–delivering lasting brilliance and design versatility

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MMA monomer Methyl methacrylate raw material for PMMA production

Good fluidity and easy for injection molding. Suitable for complicated shape and long molding path,such as handicrafts,packaging boxes,home appliances

MMA monomer with high glass transition temperature

Balanced fluidity, heat resistance, mechanical strength and light transmittance. Suitable for simple mold, overlayer of co-extrusion sheets&siding, such as magnifier, nameplate, signs, cup container

MMA, n-BMA, and i-BMA applications in coatings and adhesives

Low fluidity, good injection molding property, heat resistance and mechanical strength, excellent light. Suitable for lighting, automotive lighting, automotive dashboard, LCD light guide plate

MMA monomer Methyl methacrylate raw material for PMMA production

Base on SX-304, improve the fluidity. Suitable for injection molding lightguide plate, lens, reflector, etc.

MMA monomer with high glass transition temperature

High impact resistance,good fluidity, high weather resistance. Suitable for car lamps, pens, display panel , injection molding lighting masks, etc.

MMA, n-BMA, and i-BMA applications in coatings and adhesives

Lower mobility and better extrusion molding performance. Suitable for thin, thick wall extrusion lighting light guide plate,diffusion plate,liquid crystal display light guide plate.

MMA monomer Methyl methacrylate raw material for PMMA production

For injection-molded optical and technical items.

MMA monomer with high glass transition temperature

Suitable for car lamps, pens, display panel , injection molding lighting masks, etc.

MMA, n-BMA, and i-BMA applications in coatings and adhesives

Lower mobility and better injection molding performance.

Chemical Resistance

Chemicals which can be used
Inorganic salt aqueous solution Sodium chloride
Dilute acid 30% hydrochloric acid
Alkali Sodium hydroxide
Low concentration alcohol 10% methanol
Aliphatic hydrocarbons Ethane
Oil class Gasoline, olive oil
Chemicals which must not be used
Aromatic hydrocarbons Benzene, toluene, xylene
Ketone Acetone, butanone
Halogenated hydrocarbons Chloroform / Carbon tetrachloride
Ether Ether
Ester Ethyl acetate
High acid 35% hydrochloric acid / 70% sulfuric acid

Extrusion Conditions

Grade SX-304 SX-306 SX-8S
Screw L/D 25-35 25-35 25-35
Hopper (Cylinder temperature) 200–230°C 200–230°C 210–240°C
In the middle (Cylinder temperature) 220–240°C 220–240°C 220–260°C
Die position 220–240°C 220–240°C 220–260°C
The die temperature 220–240°C 220–240°C 220–240°C / 220–260°C

Injection Molding Conditions

Grade SX-301 SX-302 SX-304/SX-306/SX-304H
Dry conditions in advance
70–80°C 4–6 hr
75–85°C 4–6hr
80–90°C 4–6hr
80–90°C 4–6hr
Cylinder temperature 170–204°C 190–240°C 210–260°C 210–260°C
Mold temperature 60–85°C
Injection pressure 80–140MPa 80–140MPa 80–140MPa 80–140MPa

Annealing Conditions

Grade SX-301 SX-302 SX-304 / SX-304H / SX-306 SX-8S
Temperature 65–70°C 70–75°C 85–90°C 80–90°C
Time 1–3 hr 1–3 hr 1–3 hr 1–3 hr

Table of Performance Parameters of Each Model

Items Test Standards Unit Optical Grades Heat Resistance High Impact Resistant
SX-301SX-302SX-304HSX-305SX-306 SX-304SX-7SSX-8S SX-KC1SX-KC2
Refractive Index ISO 489- 1.491.491.491.491.491.491.491.491.491.49
Transmittance ISO 13468-1% 93939393939393939090
Haze ISO 14782% 0.30.30.30.30.30.30.30.3<2<2
Linear Thermal Expansion ISO 11359-21/°C 7×10⁻⁵7×10⁻⁵7×10⁻⁵7×10⁻⁵7×10⁻⁵7×10⁻⁵7×10⁻⁵7×10⁻⁵7×10⁻⁵7×10⁻⁵
VST (Vicat Softening) ISO 306°C 89891001051051071061089999
HDT (1.82 MPa) ISO 75-2°C 848494989810096989292
Melt Flow Index (230°C/3.8kg) ISO 1133g/10min 139.52.71.51.62.26.23.143
Tensile Modulus ISO 527MPa 3200320032003200330033003200330026002200
Tensile Strength ISO 527MPa 67707070747673776555
Charpy Impact Strength ISO 179-1KJ/m² 20202020252220205070
Charpy Impact (Notched) ISO 179-1KJ/m² 1.31.41.41.41.41.41.41.434
Density ISO 1183- 1.191.191.191.191.191.191.191.191.171.16
Water Absorption ISO 62% 0.30.30.30.30.30.30.30.30.30.5
Flammability UL 94- HBHBHBHBHBHBHBHBHBHB
Rockwell Hardness ISO 178MPa 90939393981011081059392

Data Sheets