SMC and BMC Hot Press

SMC and BMC Hot Press

SMC and BMC Hot Press

Hot press is a production method that provides, producing composite parts from different molding compounds formulations under pressure. It is preferred in high quantity productions because of high investment costs. The following products are under this product range: Polipol 347 for production of park equipment, boxes, and recycle bins; Polipol 3417-V for production of high surface quality vehicle parts, composite boxes, and cases; Polipol 382 for production of high thermal and chemical resistant composite parts. Polipol 3418, all maleic resins used in applications where both high surface quality and thermal resistance are needed.

SMC-BMC production methods are one of the fastest production methods for producing composite parts.

Fillers for SMC-BMC
See Fillers section in this web site for SMC-BMC thickening agents, internal release agents and other fillers used in formulations.
Additives for SMC-BMC
See Additives section in this web site for LSA and LP additives which lower volumetric shrinkage, provide a non-way, glossy, high quality surfaces.
Chemical Resistance Guide
 
Refer to our Chemical Resistance Guide for more information about use of resins in different chemical environments.

SMC and BMC Hot Press

Hot press is a production method that provides, producing composite parts from different molding compounds formulations under pressure. It is preferred in high quantity productions because of high investment costs. The following products are under this product range: Polipol 347 for production of park equipment, boxes, and recycle bins; Polipol 3417-V for production of high surface quality vehicle parts, composite boxes, and cases; Polipol 382 for production of high thermal and chemical resistant composite parts. Polipol 3418, all maleic resins used in applications where both high surface quality and thermal resistance are needed.

Engine Covers

Sewer Manholes

Electrical Boxes and Underground Enclosures

Service Trays

Bulk Molding Compound Dough

SMC Mold

SMC Mold Inner Surface

Class A Surface Quality

SONRAKİ ÖNCEKİ
  •  
  • Product Description
  • Chemical Structure
  • Available Modifications
  • Color
  • Viscosity
  • Monomer Content
  • Acid Value
  • Gel Time
  • Flexural Strength
  • Elongation at Break, Tensile
  • HDT [0,45 MPa]
  • Barcol Hardness, 934
  • Remarks
  • Highlights
  • Primary Usages
  • Polipol 347
  • SMC-BMC type polyester
  • Ortho
  • max. 150
  • 800-1100
  • 35-38
  • max. 28
  • 17-24
  • 117
  • 2,12
  • 121
  • 49
  • OT1 , OT8
  • - High reactivity
    - Stable thickening behavior
    - Optimum price performance ratio
  • Natural gas boxes, electrical distribution boards and boxes, manhole covers and machine equipment.
  • Polipol 3417-V
  • SMC-BMC type high surface quality polyester
  • Ortho
  • max. 300
  • 1300-1500
  • 35-38
  • max. 25
  • N/A
  • 95
  • 2,8
  • 136
  • 49
  • OT1 , OT8
  • - High reactivity
    - Stable thickening behavior
    - Excellent compability with thermoplastic additives
  • Automotive and machine equipment.
  • Polives 382
  • SMC-BMC type high chemical resistant polyester
  • ISO/NPG
  • max. 250
  • 1200-1600
  • 36-40
  • max. 16
  • 10-13
  • 99
  • 3
  • 144
  • 50
  • OT1 , OT2
  • - High chemical resistance
    - Excellent HDT
    - High reactivity
    - DMC
  • Electricity isolators, service trays, chemical and high temperature resistant SMC-BMC parts.
  • Polipol 3418
  • SMC-BMC type all maleic polyester
  • MA
  • max. 150
  • 1500-2000
  • 34-36
  • max. 20
  • N/A
  • 94
  • 1,7
  • 135 (1.82 MPa)
  • 50
  • OT1 , OT8
  • - All maleic resin
    - Excellent HDT
    - Excellent compability with thermoplastic additives
  • High temperature resistant applications with high surface quality for automotive and machine equipment SMC-BMC parts.

BMC Dough Production

① Prepare the mixture of Polipol resin, peroxide, filler, thermoplastic additives, pigment paste and internal release agent.

② Add chopped strand mat into this mixture and continue mixing in order to get a homogenous mixture.

③ After mixing, insert the compound into plastic bags.

BMC Dough Production

① Prepare the mixture of Polipol resin, peroxide, filler, thermoplastic additives, pigment paste and internal release agent.

② Add chopped strand mat into this mixture and continue mixing in order to get a homogenous mixture.

③ After mixing, insert the compound into plastic bags.

SMC Hot Press Application

① Release the plastic films from the matured compound.

② Place the compound into the hot mold at temperatures between 130-170°C .

③ Ideal molding pressure should be around 150-170 kg/cm². Molding should take 1minute for every 1mm of material thickness.

④ After molding, demold the product and trim edges.

Packing Types

You can choose any package type suitable for your production system or you can get further information from our sales department regarding container options.

Modification Description

  • FR   Filled flame retardant
  • D*   Filled (*with filler content)
  • T Thixotropic (no sagging)
  • A Cobalt preaccelerated
  • ABP Amine preaccelerated
  • UV UV Curing
  • L   UV light stabilized
  •   I Lower viscosity
  •   V Higher viscosity
  •   LSE   LSE (low styrene emission)
  •   H* Gel time customized (at room temperature) * minutes
  • H40 Optimized for summer season. Gel time (at room temperature) 40 minutes.
  • H20 Optimized for winter season. Gel time (at room temperature) 20 minutes.
  •   COLOR   White or custom color options

Gelcoat Customizations
Polijel gelcoat table descriptions and modifications.

  • Spray Application (airless preferred)
  • Brush or Roller Application
  • Color Option: White colored
  • Color Option: Light colored (pastel)
  • Color Option: PRO colored

Production Quantity Depending on Process (parts/year)
Regardless of product dimension and complexity..

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