Customer Technical Portal

CBase

Access comprehensive data on the properties of our cement using our customer information database CBASE.

CBase
Cement Test Reports

Weekly Cement Test Reports for Blue Circle cements covering the last six months of production.

CTR
Declarations of Performance

Declarations of Performance (DOP) for Blue Circle cements and limes can be downloaded directly.

DOP
Fly Ash and Slag Reports

BS 8500 Combination conformity certificates for Fly Ash and Slag.

View Reports
Declared Alkali and Chloride values for bulk cement

Download the latest document in PDF format.

Open Report

News and Updates

Here at Tarmac we know how important a consistent, reliable and high-quality cement product is to you, and we're confident that our products can meet and exceed our customers needs - but don't just take our word for it, take a closer look at how we make our cement products.

We've been making cement at Tunstead for over 50 years and employ a range of experts from engineers to chemists to ensure our products meet and exceed customers’ needs and expectations. From quarry to lorry our products are tested at every stage of the manufacturing process and it's done to the highest possible standard - our own.

READ THE FULL STORY

Downloads

Featured

Technical Information: Cement Colour and its Measurement
Tudela Slag July 2018

Tudela Slag July 2018

Safety Information Material Safety Data Sheet Tunstead Common Cements Annex A

Health and Safety Information In accordance with Regulation (EC) No 1907/2006 (REACH) as amended by Regulation (EU) No 453/2010

Safety Information Material Safety Data Sheet Tunstead Common Cements

Health and Safety Information In accordance with Regulation (EC) No 1907/2006 (REACH) as amended by Regulation (EU) No 453/2010

All Downloads

Technical datasheets, MSDS, user guides, case studies and more for our range of Blue Circle cements.

All Downloads

Our Technical Portal will be expanding with new features over the coming months. Send us your email address and we'll keep you updated.