When.com Web Search

  1. Ads

    related to: zar stain for fiberglass doors exterior reviews and ratings complaints

Search results

  1. Results From The WOW.Com Content Network
  2. Sound transmission class - Wikipedia

    en.wikipedia.org/wiki/Sound_transmission_class

    In the US, it is widely used to rate interior partitions, ceilings, floors, doors, windows and exterior wall configurations. Outside the US, the ISO Sound Reduction Index (SRI) is used. The STC rating very roughly reflects the decibel reduction of noise that a partition can provide. The STC is useful for evaluating annoyance due to speech ...

  3. Barcol hardness test - Wikipedia

    en.wikipedia.org/wiki/Barcol_hardness_test

    The Barcol hardness test characterizes the indentation hardness of materials through the depth of penetration of an indentor, loaded on a material sample and compared to the penetration in a reference material.

  4. Fiberglass - Wikipedia

    en.wikipedia.org/wiki/Fiberglass

    Fiberglass (American English) or fibreglass (Commonwealth English) is a common type of fiber-reinforced plastic using glass fiber.The fibers may be randomly arranged, flattened into a sheet called a chopped strand mat, or woven into glass cloth.

  5. FR-4 - Wikipedia

    en.wikipedia.org/wiki/FR-4

    FR-4 is a composite material composed of woven fiberglass cloth with an epoxy resin binder that is flame resistant (self-extinguishing). "FR" stands for "flame retardant", and does not denote that the material complies with the standard UL94V-0 unless testing is performed to UL 94, Vertical Flame testing in Section 8 at a compliant lab.

  6. Glass fiber reinforced concrete - Wikipedia

    en.wikipedia.org/wiki/Glass_fiber_reinforced...

    GRC (Glass fibre-reinforced concrete) ceramic consists of high-strength, alkali-resistant glass fibre embedded in a concrete & ceramic matrix. [1] In this form, both fibres and matrix retain their physical and chemical identities, while offering a synergistic combination of properties that cannot be achieved with either of the components acting alone.

  7. Zār - Wikipedia

    en.wikipedia.org/wiki/Zār

    Certain ailments are seen as entirely unrelated to zar, and basically incurable, such as people suffering from what Western medicine recognizes as schizophrenia. [18] The zar doctor is called a "bala Zar" (master of zar), [18] or zar bala, [79] and diagnoses if a patient is suffering from zar, the evil eye, or incurable illness. Zar doctors use ...