Technical Services

Delivering precision in rubber compounding requires an in-depth understanding of both material science and industry needs. We take pride in offering advanced technical services that ensure consistent compound performance, whether for high-temperature resistance, chemical durability, or specific mechanical properties.

Our team works across industries, tailoring compounds to meet unique application challenges and ensuring compliance with stringent standards.

We Offer

Compound Formulation

Fine-tuning the balance of elasticity, strength, and durability to enhance product longevity.

Material Testing and Analysis

Thorough testing protocols to validate each compound's chemical, thermal, and mechanical properties.

Precision Processing

Utilizing the latest techniques to ensure uniform mixing and curing for optimal performance.

Our Expertise

Compound Identification

Compound Development

These services help our clients achieve technical superiority and adaptability in their operations.

GB GUMMI Ref:	GBK
ASTM Classification:	CIIR
FULL FORM OF RM/Rubber	Derivative of butyl rubber which has been reacted with chlorine in a continuous process
Benefits	Low gas permeability Excellent ozone resistance Good steam resistance Good fire resistance.
Limitations	Poor resistance to oils and non-polar solvents .
Service Temperature °C	-50 to 120°C
Applications / Products	Inner tyre tubes, breathing apparatus for defence and fire services, Dampers.

GB GUMMI Ref:	GBH
ASTM Classification:	HNBR
FULL FORM OF RM/Rubber	Hydrogenated (≥ 90% saturation) version of acrylonitrile-butadiene rubber, which shows improved stability and physical properties compared to standard NBR
Benefits	Good resistance to oils and non-polar solvents High tensile strength Good ozone and weathering resistance Good abrasion resistance Excellent heat resistance.
Limitations	Decreased low temperature flexibility compared to NBR Poor steam resistance.
Service Temperature °C	-25 to 170°C
Applications / Products	Oil & gas industry.

GB GUMMI Ref:	GBV
ASTM Classification:	FVMQ
FULL FORM OF RM/Rubber	Copolymer of fluorovinyl and methyl siloxane
Benefits	Excellent resistance to high and low temperatures Excellent ozone resistance Excellent compression set resistance Good resistance to oils and most non-polar solvents.
Limitations	Poor tensile strength and abrasion resistance.
Service Temperature °C	-60 to 200°C
Applications / Products	Food and medical applications, aircraft fuel systems.

GB GUMMI Ref:	GBV
ASTM Classification:	VMQ
FULL FORM OF RM/Rubber	Polydimethylsiloxane containing vinyl (VMQ)
Benefits	Excellent resistance to high and low temperatures.
Limitations	Poor tensile strength Poor resistance to oils and non-polar solvents.
Service Temperature °C	-60 to 225°C
Applications / Products	Food and medical applications.

GB GUMMI Ref:	GBD
ASTM Classification:	ECO
FULL FORM OF RM/Rubber	Polymers based on polyepichlorohydrin which may also contain ethylene oxide and allyl glycidyl ether
Benefits	Excellent ozone resistance Good resistance to oils .Fire resistance.
Limitations	Poor resistance to some non-polar solvents Poor steam resistance.
Service Temperature °C	-35 to 125°C
Applications / Products	Seals, gaskets, diaphragms, cable jackets and belting.

GB GUMMI Ref:	GBN
ASTM Classification:	NR
FULL FORM OF RM/Rubber	Natural Rubber
Benefits	High Tensile Properties, Better Abrasion resistance, Good Resilience properties
Limitations	Poor resistance to oils and fuels, inferior weather resistance.
Service Temperature °C	-30 to 60°C
Applications / Products	Suspension Mounts, Damper, Bushing, Bump Stop, Diaphragm, Isolator Mount, Food Grade Seals, V BELTS, etc.