PU UR701/763 – 15kg (UR 7801)

R1,495.00 incl VAT

All prices shown include VAT

PU UR701/763 – 15kg (formerly UR 7801) is a two components Polyurethane casting elastomer designed to make ceramic case moulds by hand casting.

Features:

  • Easy sanding after curing
  • Homogeneous material
  • Low moisture sensitivity
  • Chemical resistance to release agents

Out of stock

FREE SHIPPING

Free shipping on all South African orders above R2 500

COLLECT IN-STORE

Collect in-store now available in Gauteng

WHEN DO I GET IT?

Shipping time is 2 - 5 business days. Excludes weekends & Public Holidays.

100% SECURE

We ensure secure payment with Payfast

HASSLE FREE RETURNS

Peace of mind for our customers

IN-STORE SALES

Shop in-store at AMT Composites in Johannesburg, Cape Town & Durban.

Please note

Our website reflects stock availability for our Johannesburg AMT Composites physical store. Please contact us to check availability for our Cape Town & Durban stores.

Retail Store Hours

  • All AMT Composites retail stores will close at 12:00 on 20 December 2024 and re-open on 6 January 2025.

Please take note of below festive season cut-off online order dates before placing your order.

  • Your order must be received before 12:00 on 13 December to ensure delivery by 20 December 2024.
  • While our online store remains open during the Festive Season, online orders placed after 12:00 on 13 December might not reach you by 20 December 2024.
  • All online orders placed after the cut-off date will only be processed and shipped starting 7 January 2025.
  • We can unfortunately not guaranteed orders placed after 12:00 on 13 December will reach you by 20 December 2024.
  • Shipping may only be to a physical address within the borders of South Africa. No P.O Box’s allowed.
  • Shipping to outlying or remote areas like farms and game reserves may attract an additional fee.
  • The delivery time to city areas is usually between 2 and 5 working days*. This excludes weekends and public holidays.
    *Reckoned from time of dispatch to time of arrival to client. This is an estimate and not guaranteed.

Courier Service

We use Courier Guy for delivery.

With sophisticated track and trace equipment, you can pinpoint exactly where your parcel is, from the moment it is dispatched by us, until it’s safely handed over to you the recipient.

Your parcel is well packaged and wrapped before delivery. All parcels can be insured for the journey to your door.

We charge a weight based shipping fee.

  1. Free Shipping for all orders R2,500 or more!
  2. Standard Shipping 0 to 5kg – R99.00
  3. Standard Shipping 5.1 to 10kg – R118.00
  4. Standard Shipping 10.1 to 15kg – R140.00
  5. Standard Shipping 15.1 to 20kg – R180.00
  6. Standard Shipping 20.1 to 40kg – R220.00
  7. Standard Shipping 40.1 to 80kg – R250.00
  8. Standard Shipping 80.1kg 100 – R400.00
  9. Standard Shipping 100.1kg to 130kg – R517.50
  10. Standard Shipping 130.1kg to 160kg – R667.00
  11. Standard Shipping 160.1kg to 190kg – R747.50
  12. Standard Shipping 190.1kg to 230kg – R874.00

Shipping rates are provided at checkout.

Our delivery service only runs from Monday to Friday. Saturday morning deliveries can be done by special arrangement only and at an additional charge. Please contact us to arrange. We reserve the right to re-quote the delivery fee should this become too expensive.

We offer In-Store Pickup exclusively at our AMT Composites Johannesburg location. Here’s how it works:

  • Availability: In-store pickups are available Monday to Friday.
  • In-Store Collection: R25 per order.
  • Same Day Pickup: Orders placed before 10:00 will be ready for collection from 14:00 on the same day.
  • Next Day Pickup: Orders placed after 10:00 will be ready for collection from 9:00 to 16:00 the following day.
  • Order Amendments: Please note that any changes required to your in-store pickup order upon collection will be treated as a new transaction. The original pickup order cannot be amended.
  • Shipping to Pickup: Orders placed for normal shipping cannot be changed to in-store pickup.
  • Returns: Returns for in-store pickup orders will incur a cost to the customer, based on the courier company’s rates.
  • Proof of Identification: Customers must bring proof of identification (matching the name on the pickup order) and the order number to collect their order. Without these, the order will not be released.
  • Payment: All orders must be paid online before collection. No EFTs or card transactions can be processed at the time of collection. Orders that are not paid will not be released to customers.

We strive to make your pickup experience smooth and efficient. If you have any questions, please do not hesitate to contact our support team.

At AMT Composites we want you to be 100% happy with any purchase you make from us.

Changing your Mind / Right to Cancel

If you change your mind for any reason, goods can be returned to us for a full refund if notified to us within 7 days of delivery; you have a further 7 days to dispatch the goods for their return to us. Goods returned after 7 days will incur a 15% restocking fee of the items being returned.

NO GOODS manufactured or sold by Advanced Materials Technology Pty Ltd will be accepted for a credit if returned after one (1) calendar month of original invoice date.

To return goods that are not faulty (i.e. because you changed your mind) they must be unused and, in the condition, they were delivered to you in. This does mean that, unless found faulty, we are unable to accept returns for:

  • Opened containers of resin, hardener, silicone or chemical release agent, unless found to be faulty or defective.
  • Unrolled and improperly re-rolled fabrics, unless found to be faulty or defective.
  • Any product that you have subsequently cut, shaped, broken or modified, unless found to be faulty or defective.

Refund of Delivery Charges (Cancelled Orders)

If you return an order in its entirety, then your outbound delivery charges will also be refunded (for orders within the South Africa’s Local Area’s.

If you return only part of an order, then the outbound delivery charge refund will be calculated based on the total postage cost of the original order (using standard service) minus the cost to send the items you are keeping (using standard service). Due to the way that shipping costs are incremented, this will often result in no delivery charge refund being due.

Faulty or Defective Goods

Any goods found to be faulty or defective and notified to us within 7 days of delivery can be returned to us for a full refund.

Refund of Delivery Charges (Faulty/Defective Goods)

If you are returning faulty or defective goods, then your outbound and return delivery costs will be refunded in full (for orders from within South Africa’s Local Area’s.)

In the event that you are returning faulty or defective goods which were ordered as part of a larger order then the outbound delivery charge refund will be calculated based on the total postage cost of the original order (using standard service) minus the cost to send the items you are keeping (using standard service).

Please check the box to acknowledge our return’s policy, by doing so you agree to our Return’s Policy of AMT Composites stated above.

If a product is backordered and ordered with other products, your order will only ship once the backordered item is back in stock.

Ask AMT

Get true expertise & assistance. Speak with one of our professional consultants in Johannesburg, Cape Town or Durban. Call 011 392 4232.

PU UR701/763 – 15kg (UR 7801) Physical properties

Composition ISOCYANATE UR7801 POLYOL UR7863 MIXED
Mix ratio by weight
Mix ratio by volume at 25°C
50
80
100
100
Aspect liquid liquid liquid
Colour amber pink pink
Viscosity at 25°C (mPa.s) BROOKFIELD LVT 800 7,000 3,000
Specific gravity at 25°C (g/cm3) ISO 1675 : 1985 1.02 1.59 1.34
Pot life at 25°C on 150 gr. (min) Gel Timer TECAM 20

PU UR701/763 – 15kg (UR 7801) Mechanical properties 23°C (1)

Hardness ISO 868 : 2003 Shore A1 63
Tensile strength ISO 37 : 2004 MPa 3,5
Elongation at break ISO 37 : 2004 % 850
Tear strength
Unnotched angular specimens
ISO 34 : 2004 kN/m 16
Abrasion resistance (TABER 1000 revs / H 22) ISO 5470 : 1999 mg/100U 133

(1) : Average values obtained on standard specimens / Hardening 16 hr at 70°C

Processing conditions

  • Stir carefully polyol before use until both colour and aspect become homogeneous.
  • Polyol and Isocyanate have to be mixed at a temperature higher than 18°C according to the mixing ratio indicated on the technical data sheet (Working time under high temperature below).
  • Mix by hand with appropriate spatula or use a mixer for higher volumes.
  • Let it settle for few minutes until bubbles from mixing rise up.
  • It is not appropriate to degas in a vacuum chamber.
  • Demoulding at room temperature after 16 hours. Sanding is possible 4 hours after demoulding.
  • Do not use for production of plaster moulds before 48 hours.

CAUTION: In case of ambient temperature above 28°C it is advised, before mixing, to split the 15 kg kit in 2
smaller mixtures in order to take advantage of a longer working time.

Thermal and specific properties (1)

Working temperature -40/ +80
Glass transition temperature (Tg) ISO 11357 : 1999 °C -85
Coefficient of thermal expansion (CTE) (+0 to +40°C) ISO 11359 : 1999 10-6 K-1 200
Linear shrinkage (specimen 250x50x15mm) mm/m 1
Maximal casting thickness mm 40
Demoulding time at 23°C hours 16
Complete hardening time at 23°C days 6

Handling precautions

Normal health and safety precautions should be observed when handling these products :

  • Ensure good ventilation,
  • Wear gloves, safety glasses and waterproof clothes.

For further information, please consult the product safety data sheet.

Storage conditions

  • Shelf life for UR 7801 and UR 7863 is 12 months in a dry place and in original unopened containers at a temperature between 20 and 25° C.
  • Any open must be tightly closed under dry nitrogen blanket.
Weight 15 kg
Dimensions 40 × 40 × 40 cm

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