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TECHNICAL SPECIFICATION

PROCOAT ®  H.08.HT 

Polypropylene Compound for Steel Pipe Coating

Description  Procoat ®  H.08.HT is a polypropylene copolymer compound supplied in pellet form, white color, with very goodextrudability and melt strength performances. It is suitable to withstand high pipeline operating temperatures,typical up to 120°C for onshore pipelines and up to 140°C for offshore pipelines depending on specificpipeline design conditions. It contains UV-stabilizer and anti-oxidant in order to ensure excellent weatheringresistance and excellent long term properties.

Commercial Name  Procoat ®  H.08.HT 

Application  Procoat ®  H.08.HT is recommended to use in typical multi layer PP or three layer PP (3LPP) coatingapplication for steel pipes.

Produced by Industrie Polieco – MPB Srl.Via E. Mattei 49 25046 Cazzago S. Martino (Brescia) ItalyPhone +39 030 7241521 Fax +39 030 7721928http// : www.mpb.it  email: commerciale@mpb.it 

Physical Properties

Properties Units Range Values 1)  Test Methods

Density Compound @ 23°C g/cm3  0.90 – 0.93 ISO 1183 – ASTM D1505

Melt Flow Rate (230°C/2.16 kg) g/10 min 0.6 – 1.0 ISO 1133 – ASTM D1238

Ash Content (Titanium bi-oxide) % 1.9 – 2.3 ISO 6964

Tensile Stress @ Yield MPa ≥ 22 ISO 527 – ASTM D638 2) 

Tensile Strain @ Break % ≥ 400 ISO 527 – ASTM D638 2) 

Tensile Modulus MPa ≥ 900 ISO 527 – ASTM D638 3) 

OIT @ 220°C min ≥ 30 ISO 11357

Hardness Shore D ≥ 60 ASTM D2240

Vicat Softening Temperature A50 (10N) °C ≥ 145 ISO 306 – ASTM D1525

Charpy Impact Strength, Notched @ 23°C kJ/m

2

 ≥

 30 ISO 179-1/1eA

Charpy Impact Strength, Notched @ -20°C kJ/m2  ≥ 3 ISO 179-1/1eA

Thermal Ageing - ΔMFR % < 35 ISO 21809-1

Light Ageing (5 GJ/m2) - ΔMFR % < 35 ISO 21809-1

1)  Above range values should not be used for specification purposes. Coating plant processing and application conditions can affect the final material properties. Applicator is responsible for final control and determination of the final coating properties.

2) Injection moulded test specimen (2 mm) prepared according ISO 1873-2, test specimen type 1A according ISO 527-2, strained at 50 mm/minute3) Injection moulded test specimen (2 mm) prepared according ISO 1873-2, test specimen type 1A according ISO 527-2, strained at 1 mm/minute

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Processing/ExtrusionRecommendations 

Procoat ®  H.08.HT can be applied by flat-head die or cross-head die extrusion.Below mentioned processing conditions are recommendations and might be adapted to specific extrusion

equipment used. Detailed recommendations can be only made when extrusion equipment and application areknown. Please contact Industrie Polieco – MPB Srl. for more information.

Barrel (cylinder) zonesScreen (exit zone)Connector zonesDie ZonesMelt temperature

190°C - 240°C220°C - 245°C220°C - 245°C220°C - 245°C220°C - 245°C

Specifications  Procoat ®  H.08.HT complies with the requirements as per following national and international standards,when used in combination with Proesive ®  grafted adhesives and if correct process, application and qualitycontrol procedures are implemented by applicator.NF A 49711

DIN 30678ISO 21809-1DEP 31.40.30.31 GEN

Storage Procoat ®  H.08.HT should be stored indoor, in dry conditions at temperatures below 50°C, protected from UV-light in closed (original) packaging. Improper storage can initiate degradation which can have a negativeinfluence on the physical properties of this product.

Safety Procoat ®  H.08.HT is classified as no-dangerous material. Material Safety Data Sheet is on request available.Please contact Industrie Polieco – MPB Srl. for more information.

Packaging Procoat ®  H.08.HT standard packaging25 kg bags on pallet – 1.375 kg or 1.500 kg

1.000 kg big bags on pallet

Disclaimer  All information contained in this document is to the best of our knowledge accurate and reliable as from thedate of publication however we do not presume any liability for exactness and/or entirety of this information. All information contained in this document is obtained by test performances and trials carried out by ourlaboratories and R&D center but shall in no event be held to involve any warranty.Industrie Polieco – MPB Srl. will issue no warranties which reach beyond information contained in thisdocument and no information contained in this document will create any warranty for any otherexceptional purpose. The product mentioned in this document should not be used for healthcare, medicalor pharmaceutical applications.Industrie Polieco – MPB Srl. cannot accept any liability in respect of handling, processing or usage of theproduct mentioned in this document which must be in all situations executed in accordance with all locallaws and/or regulations under client’s responsibility.

 All information contained in this document relates only to the usage of our product(s) and no liability canbe accepted when used in combination with other products.