Product

Square Fiberglass Rod

Square fiberglass rod is a kind of fiberglass rod with glass fiber as the reinforcing material, which makes it have good transverse strength, and the resin is used as the matrix to make it have good corrosion resistance.
Accept Customized Sizes
A Choice of RAL Colors Available

Customizable Options – Tailored size, resin type, and surface finish to meet your project needs.
Factory-Direct Pricing – Save costs with direct production from our source factory.
Free Sample Design – Get a sample or design validation before bulk production.
Global Quality Supply – Reliable quality and on-time delivery worldwide.

Like fiberglass flat rods and fiberglass round rods, the square fiberglass rod is also a type of fiberglass rods. This type of fiberglass rod increases the artistry of the application. Therefore, it is more suitable for amateur projects. The difference in shape makes it fundamentally different from flat rod and round rod.

◆ Common size of Mach’s square fiberglass rod

Unit: mm

Model No.	SizeA B	Weight
SSR25	25×25	1.23kg/m
SSR32	32×32	1.95kg/m
SSR38	38×38	2.75kg/m

Mach’s can also fabricate custom sizes to fit your needs.

◆ Properties of square fiberglass rod

Property	Test Method	Unit	Numerical value
Tensile Strength	ASTM D638	Mpa	210
Tensile modulus	ASTM D638	Gpa	22
Flexural strength	ASTM D790	Mpa	302
Flexural modulus	ASTM D790	Gpa	18.6
Compressive strength	ASTM D695	Mpa	258
Compression modulus	ASTM D695	Gpa	19.2
Interlaminar shear	ASTM D234	Mpa	24.5
Charpy impact strength	ISO 179	KJ/m2	279
Bracol hardness	ASTM D2583	–	50
Elongation to break	ASTM D638	%	0.9
Water absorption(Max)	ASTM D570	%	0.57
Density	ASTM D792	g/cm3	1.8
Thermal expansion coefficient	ASTM D696	10pC	5.1
Flammability level (oxygen index)	UL94	–	VO(32)
Flammability retardation grade	ASTM E-84	–	25Max
Flammability extinguishing	ASTM D635	–	Self extinguishing
Arc resistance(LW)	ASTM D495	s	120
Dielectric constant(PF)	ASTM D150	C²/(N·M²)	5
Dielectric strength(PF)	ASTM D149	KV/mm	8
Dielectric strength(LW)	ASTM D149	KV/mm	1.6
Surface resistivity	ASTM D257	Ω	10-10
Volume resistivity	ASTM D257	Ω.cm	10-10

Q1: How do you ensure the quality of FRP products?

A: All products are manufactured in our own factory under strict ISO-based quality control. We perform raw material testing, process monitoring, and final inspection to ensure every panel meets strength, durability, and corrosion-resistance requirements.

Q2: Where can FRP products be used?

FRP products are ideal for chemical plants, wastewater facilities, offshore platforms, walkways, platforms, stairs, and other areas that require corrosion resistance, lightweight structure, and long service life.

Q3: Do you provide after-sales support?

Yes. We provide clear documentation, installation guidelines (if needed), and technical support. If any quality issue is confirmed after delivery, we offer replacement, rework, or other agreed solutions.

Q4: Can you help with project-specific requirements?

Absolutely. Our team can suggest the right resin system, grating type, and surface finish for your application, and provide drawings or design assistance to ensure project success.