About Us
PT MULIA BUMI SILIKA
PT MULIA BUMI SILIKA
We are a leading silica sand mining company with two mining operations at West Kalimantan Province, Indonesia with an area of 86950 Hectares.
Our mining operation, located in Pangkalan Batu, Kendawangan District, Ketapang, West Kalimantan Province, Indonesia.
Raw Silica Quartz
PT MULIA BUMI SILIKA
Our Raw Sampling Silica Sand Typical specifications are as below:
• SiO2 : 95,93 % until 99,4 %
• Fe2O3 : < 0,002 % until 0,150 %
• TiO2 : 0,01 % until 0,427 %
Applications & Uses
Silica, quartz, and silicon are the building blocks of modern innovation and sustainable development. From crystal-clear glass and advanced construction materials to high-purity quartz for silicon wafers in semiconductors, solar panels, and optical fibers, these versatile minerals power everything from smart cities to renewable energy. By enabling cutting-edge technologies and essential infrastructure, they shape a more connected, efficient, and greener future.
Silica Quartz Product
Silica Quartz Product
We Specialize in mining and processing premium-grade silica sand that meets stringent industry standards. Our product range includes fine silica sand, coarse silica sand, silica flour, and customized blends tailored to specific customer requirements. Typical specifications are as below:
• SiO2 : > 99,5% until 99,9%
• Fe2O3 : < 0,012 %
• TiO2 : < 0,030 %
ESG Commitments
Silica Quartz Product
ESG Commitments
Our ESG Commitment
At PT MULIA BUMI SILKA, we are dedicated to responsible silica mining in Indonesia, ensuring that our operations protect the environment while supporting the nation’s sustainable development goals. We adopt environmentally conscious practices, including efficient resource extraction, reduced emissions, responsible water use, and progressive land rehabilitation to restore biodiversity and natural ecosystems.
We prioritize our role in the community by creating local job opportunities, investing in education and infrastructure, and ensuring the health, safety, and well-being of our employees and neighbors. Our operations uphold human rights, fair labor practices, and active community engagement to foster long-term, shared prosperity.
Our governance framework is built on transparency, ethical business conduct, and strict compliance with Indonesian laws and international standards. Through continuous improvement, third-party audits, and clear reporting, we aim to deliver sustainable growth while meeting the expectations of our stakeholders and contributing to a greener future.
CONTACT
Silica Quartz Product
ESG Commitments
UNEARTHING VALUE, EMPOWERING PROGRESS
Mulia Bumi Silika
Mulia Bumi Silika
Mulia Bumi Silika
We are a leading silica sand mining company with two mining operations at West Kalimantan Province, Indonesia with an area of 86950 Hectares.
ESG
Mulia Bumi Silika
Mulia Bumi Silika
We're committed to responsible and sustainable practices. We prioritize safe working conditions, environmental stewardship, and transparency. Our goal is to reduce our carbon footprint, conserve resources, and promote long-term value for stakeholders while contributing to a more sustainable future.
Silicon Dioxide
Mulia Bumi Silika
Silicon Dioxide
We Specialize in mining and processing premium-grade silica sand that meets stringent industry standards. Our product range includes fine silica sand, coarse silica sand, silica flour, and customized blends tailored to specific customer requirements. Typical specifications are as below:
• SiO2 : > 99,5% until 99,9%
• Fe2O3 : < 0,012 %
• TiO2 : < 0,030 %